Willowbrook, IL Median Household Income: Trends, Analysis, and Key Findings

The median household income in Willowbrook was $99,662 in 2021, which marked an an increase of 1,799(1.84%) from $97,863 in 2020. This income is 133.58% of the U.S. median household income of $74,606 (all incomes in 2022 inflation-adjusted dollars).
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Updated Jan 11, 2024

Median Household Income in Willowbrook, IL (2010-2021, in 2022 inflation-adjusted dollars)

Below, you will find a table illustrating the median household income in Willowbrook, spanning the years from 2010 to 2021, with all figures adjusted to 2022 inflation-adjusted dollars.

Year Median Household Income YOY Change($) YOY Change(%)
2010 81,042 - -
2011 75,577 -5,465 -6.74%
2012 75,308 -269 -0.36%
2013 69,965 -5,343 -7.09%
2014 73,182 3,217 4.60%
2015 81,968 8,786 12.01%
2016 82,003 35 0.04%
2017 81,174 -829 -1.01%
2018 83,674 2,500 3.08%
2019 88,409 4,735 5.66%
2020 97,863 9,454 10.69%
2021 99,662 1,799 1.84%
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Avg Income Age group Avg Income Diversity Index Population Gender ratio (M:F) Homeownership % Avg commute time Custom Dataset: Willowbrook Self-employed, multilingual, car-commuting, insured individuals 15 to 24 years $27,865 75 27,354 0.75 0.5% 55 min 25 to 44 years $44,231 90 37,459 0.86 19% 43 min 45 to 64 years $53,865 95 42,167 0.77 35% 15 min 65 to 74 years $51,800 74 32,972 0.91 45% 13 min 75 to 84 years $41,234 66 26,758 0.87 66% 42 min 85 years and over $36,093 56 18,857 0.89 76% 45 min

Willowbrook, IL median household income trends: 2010 to 2021

From 2010 to 2021, the median household income for Willowbrook increased by $18,620 (22.98%), as per the American Community Survey estimates. In comparison, median household income for the United States increased by $4,559 (6.51%) between 2010 and 2021.

Analyzing the trend in median household income between the years 2010 and 2021, spanning 11 annual cycles, we observed that median household income, when adjusted for 2022 inflation using the Consumer Price Index retroactive series (R-CPI-U-RS), experienced growth year by year for 7 years and declined for 4 years.

The line chart shows Willowbrook, IL median household income from 2010 to 2021. The orange line represents Census Bureau data for median household income (without adjusting for any inflation), while the blue line shows inflation-adjusted median household income for 2022.
Willowbrook, IL median household income trends: 2010 to 2021. The chart illustrates income fluctuations over the years, highlighting the impact of inflation on economic trends. We observed that the median household income experienced growth year by year for 7 years and declined for 4 years. Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates

The most significant year-by-year growth occured from 2019 to 2020, when the median household income increased by 9,454 (from $88,409 to $97,863). Similarly the most substantial year-by-year decline occured from 2010 to 2011, when the median household income decreased by 5,465 (from $81,042 to $75,577).

In Illinois, among cities with populations ranging from 5,000 to 10,000 residents, Willowbrook ranks 27th out of 103 for median household income. This rank highlight its position as one of the top-earning mid-size cities within the state of Illinois.

Median household income in Willowbrook, IL by household size

To gain deeper insights into the median household income for Willowbrook, we conducted an analysis of the most recent available data from the U.S. Census Bureau American Community Survey 5 year Estimates (the most recent data available).

Of the 7 household sizes (1 person to 7-or-more person households) reported by the census bureau, Willowbrook did not include 7-person households. Across the different household sizes in Willowbrook the mean income is $145,167, and the standard deviation is $70,139. The coefficient of variation (CV) is 48.32%. This high CV indicates high relative variability, suggesting that the incomes vary significantly across different sizes of households. Please note that the U.S. Census Bureau uses $250,001 as a JAM value to report incomes of $250,000 or more. In the case of Willowbrook, there were 1 household sizes where the JAM values were used. Thus, the numbers for the mean and standard deviation may not be entirely accurate and have a higher possibility of errors. However, to obtain an approximate estimate, we have used a value of $250,001 as the income for calculations, as reported in the datasets by the U.S. Census Bureau.

In the most recent year, 2021, The smallest household size for which the bureau reported a median household income was 1-person households, with an income of $63,001. It then further increased to $270,229 for 6-person households, the largest household size for which the bureau reported a median household income.

Bar chart showing Willowbrook, IL median household income for different household sizes in 2021. The chart illustrates income trends for 1-person to 7-or-more person households, with values adjusted for inflation. It provides insights into income disparities and variations across household sizes, aiding in data analysis and decision-making.
Willowbrook, IL median household income, by household size (in 2022 inflation-adjusted dollars). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates

Willowbrook median household income by household size

The table below displays median household incomes for various household sizes, as reported by the U.S. Census Bureau. Explore how household income varies with the size of the family unit.

Household Size Median Household Income
1-person households 63,001
2-person households 131,157
3-person households 140,273
4-person households 162,305
5-person households 104,038
6-person households 270,229
7-or-more-person households 0
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According to the Census Bureau data, the median household income reaches its peak among 6-person households, reaching $270,229 Please note that this income is a JAM value, as reported by the U.S. Census Bureau, and may not be entirely accurate. For your analysis, you can consider that the highest income in Willowbrook falls within the range of $250,000 or more, rather than being a specific, precise number.

Willowbrook, IL income distribution and inequality

To gain a comprehensive understanding of income distribution in Willowbrook, we conducted an analysis of quintiles data from the U.S. Census Bureau. While the bureau does not categorize income into subjective classes like lower-income, middle-class, or upper-class, they instead divide the population into five quintiles, ensuring that each quintile represents nearly the same number of households. This classification allows us to analyze income levels across a spectrum from the lowest to the highest income groups.

Bar chart illustrating the Willowbrook mean household income for different quintiles, plus the top 5%, with values adjusted for 2022 inflation using R-CPI-U-RS. The chart provides insights into income distribution, showcasing variations across quintiles and highlighting the income of the top 5%. Useful for analyzing income disparities and trends for Willowbrook.
Mean household income by quintiles in Willowbrook, IL (in 2022 inflation-adjusted dollars): The mean household income for the wealthiest population (top 5%) is 585,501, which is 176.90% higher compared to the highest quintile, and 2002.19% higher compared to the lowest quintile. Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates

Mean household income by quintile in Willowbrook

The table below presents the mean household income for each of the five quintiles in Willowbrook, offering valuable insights into income distribution and inequality.

Income Level Mean Household Income
Lowest Quintile 29,243
Second Quintile 67,880
Third Quintile 106,832
Fourth Quintile 157,238
Highest Quintile 330,977
Top 5 Percent 585,501
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Key findings:

  • Income disparities: The mean income of the lowest quintile (20% of households with the lowest income) is 29,243, while the mean income for the highest quintile (20% of households with the highest income) is 330,977. This indicates that the top earners earn 11 times compared to the lowest earners.
  • Top 5%: The mean household income for the wealthiest population (top 5%) is 585,501, which is 176.90% higher compared to the highest quintile, and 2002.19% higher compared to the lowest quintile.

Furthermore, as per the Census Bureau, the Gini coefficient for Willowbrook is 0.4351. Gini coefficient is a numeric measure ranging from 0 to 1, where lower numbers indicate greater income equality (with 0 representing complete equality, where all households earn the same income) and higher values signify greater income inequality (with 1 being complete inequality where one household receives all income).

Gini coefficient:
0.4351

Sources: U.S. Census Bureau, American Community Survey (ACS)

With a Gini coefficient of 0.4351, it is evident that income distribution in Willowbrook, IL exihibits characterstics of moderate inequality .

This level of Gini coefficient suggests noticeable variations in income distribution across households, with certain segments of the population holding a larger share of income compared to others in Willowbrook.

It also implies that efforts may be needed to enhance economic fairness and reduce the gap between income groups in Willowbrook

Median household income in Willowbrook, IL by family type, 2021

The Census Bureau classifies households into different categories, including total households, family households, and non-family households. Our analysis of U.S. Census Bureau American Community Survey data for Willowbrook reveals how household income distribution varies among these categories.

Interestingly, we found that the median household income did vary between family households and non-family households. In 2021, for Willowbrook, there were a total of 2,574 family households and 1,529 non-family households.

For the family households, the median income (in 2022 inflation-adjusted dollars) was $138,830. For the non-family households, the median income (in 2022 inflation-adjusted dollars) was $72,319.

Willowbrook, IL households by income brackets: family, non-family, and total, 2021, in 2022 inflation-adjusted dollars

The table below presents a breakdown of households across various income brackets in Willowbrook. The data in the table offers insights into the distribution of Willowbrook households based on income levels.

Income Level All Households % All Households Family Households % Family Households Non-Family Households % Non-Family Households
Total: 4,103 100.00% 2,574 100.00% 1,529 100.00%
Less than $10,000 157 3.83% 71 2.76% 86 5.62%
$10,000 to $14,999 49 1.19% 18 0.70% 31 2.03%
$15,000 to $19,999 50 1.22% 19 0.74% 31 2.03%
$20,000 to $24,999 73 1.78% 15 0.58% 58 3.79%
$25,000 to $29,999 109 2.66% 29 1.13% 80 5.23%
$30,000 to $34,999 111 2.71% 41 1.59% 70 4.58%
$35,000 to $39,999 114 2.78% 59 2.29% 55 3.60%
$40,000 to $44,999 103 2.51% 59 2.29% 44 2.88%
$45,000 to $49,999 164 4.00% 26 1.01% 138 9.03%
$50,000 to $59,999 292 7.12% 187 7.26% 105 6.87%
$60,000 to $74,999 313 7.63% 151 5.87% 162 10.60%
$75,000 to $99,999 578 14.09% 281 10.92% 297 19.42%
$100,000 to $124,999 465 11.33% 297 11.54% 168 10.99%
$125,000 to $149,999 404 9.85% 364 14.14% 40 2.62%
$150,000 to $199,999 511 12.45% 407 15.81% 104 6.80%
$200,000 or more 610 14.87% 550 21.37% 60 3.92%
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Key findings:

  • For Family Households: In Willowbrook, the majority of family households, representing 21.37%, earn $200,000 or more, showcasing a substantial share of the community families falling within this income bracket. Conversely, the minority of family households, comprising 0.58%, have incomes falling $10,000 to $14,999, representing a smaller but still significant segment of the community.
  • For Non-Family Households: In Willowbrook, the majority of non-family households, accounting for 19.42%, have income $75,000 to $99,999, indicating that a substantial portion of non-family households falls within this income bracket. On the other hand, the minority of non-family households, comprising 2.03%, earn $10,000 to $14,999, representing a smaller, yet notable, portion of non-family households in the community.
  • For Total Households (Combining Family and Non-Family): When considering total households in Willowbrook, the majority, constituting 14.87%, earn $200,000 or more, demonstrating that a significant portion of community households falls within this income bracket. Simultaneously, the minority of total households, representing 1.19%, have incomes $10,000 to $14,999, signifying a smaller segment of households in the community.

Things to know

What is the Gini index for Willowbrook, IL?

As per the Census Bureau, the Gini coefficient for Willowbrook is 0.4351. With this value of Gini coefficient, it is evident that income distribution in Willowbrook exihibits characterstics of moderate inequality .

This level of Gini coefficient suggests noticeable variations in income distribution across households, with certain segments of the population holding a larger share of income compared to others in Willowbrook.

It also implies that efforts may be needed to enhance economic fairness and reduce the gap between income groups in Willowbrook

What is the median household income in Willowbrook, IL?

As per the latest data available from American Community Survey, the median household income for Willowbrook is $99,662 (in 2022 inflation-adjusted dollars). The next release from the Census is scheduled for Dec 7, 2023. This income is 133.58% of the U.S. median household income of $74,606 (all incomes in 2022 inflation-adjusted dollars).

How does Willowbrook, IL median household income compare to the rest of the United States?

In Illinois, among cities with populations ranging from 5,000 to 10,000 residents, Willowbrook ranks 27th out of 103 for median household income. This rank highlight its position as one of the top-earning mid-size cities within the state of Illinois.

References

Datasets

Explore datasets by year of publication.
2023
Willowbrook, IL Median Household Income Trends (2010-2021, in 2022 inflation-adjusted dollars)
Last updated January 11, 2024
ACS
Free
Neilsberg
CSV, JSON
2017-2021
CC BY 4.0
About this dataset

Context

The dataset illustrates the median household income in Willowbrook, spanning the years from 2010 to 2021, with all figures adjusted to 2022 inflation-adjusted dollars. Based on the latest 2017-2021 5-Year Estimates from the American Community Survey, it displays how income varied over the last decade. The dataset can be utilized to gain insights into median household income trends and explore income variations.

Key observations:

From 2010 to 2021, the median household income for Willowbrook increased by $18,620 (22.98%), as per the American Community Survey estimates. In comparison, median household income for the United States increased by $4,559 (6.51%) between 2010 and 2021.

Analyzing the trend in median household income between the years 2010 and 2021, spanning 11 annual cycles, we observed that median household income, when adjusted for 2022 inflation using the Consumer Price Index retroactive series (R-CPI-U-RS), experienced growth year by year for 7 years and declined for 4 years.

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates. All incomes have been adjusting for inflation and are presented in 2022-inflation-adjusted dollars.

Years for which data is available:

  • 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021

Variables / Data Columns

  • Year: This column presents the data year from 2010 to 2021
  • Median Household Income: Median household income, in 2022 inflation-adjusted dollars for the specific year
  • YOY Change($): Change in median household income between the current and the previous year, in 2022 inflation-adjusted dollars
  • YOY Change(%): Percent change in median household income between current and the previous year

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Recommended for further research

This dataset is a part of the main dataset for Willowbrook median household income. You can refer the same here

Median Household Income Variation by Family Size in Willowbrook, IL: Comparative analysis across 7 household sizes
Last updated January 11, 2024
ACS
Free
Neilsberg
CSV, JSON
2017-2021
CC BY 4.0
About this dataset

Context

The dataset presents median household incomes for various household sizes in Willowbrook, IL, as reported by the U.S. Census Bureau. The dataset highlights the variation in median household income with the size of the family unit, offering valuable insights into economic trends and disparities within different household sizes, aiding in data analysis and decision-making.

Key observations

  • Of the 7 household sizes (1 person to 7-or-more person households) reported by the census bureau, Willowbrook did not include 7-person households. Across the different household sizes in Willowbrook the mean income is $145,167, and the standard deviation is $70,139. The coefficient of variation (CV) is 48.32%. This high CV indicates high relative variability, suggesting that the incomes vary significantly across different sizes of households. Please note that the U.S. Census Bureau uses $250,001 as a JAM value to report incomes of $250,000 or more. In the case of Willowbrook, there were 1 household sizes where the JAM values were used. Thus, the numbers for the mean and standard deviation may not be entirely accurate and have a higher possibility of errors. However, to obtain an approximate estimate, we have used a value of $250,001 as the income for calculations, as reported in the datasets by the U.S. Census Bureau.
  • In the most recent year, 2021, The smallest household size for which the bureau reported a median household income was 1-person households, with an income of $63,001. It then further increased to $270,229 for 6-person households, the largest household size for which the bureau reported a median household income.
Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Household Sizes:

  • 1-person households
  • 2-person households
  • 3-person households
  • 4-person households
  • 5-person households
  • 6-person households
  • 7-or-more-person households

Variables / Data Columns

  • Household Size: This column showcases 7 household sizes ranging from 1-person households to 7-or-more-person households (As mentioned above).
  • Median Household Income: Median household income, in 2022 inflation-adjusted dollars for the specific household size.

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Recommended for further research

This dataset is a part of the main dataset for Willowbrook median household income. You can refer the same here

Income Distribution by Quintile: Mean Household Income in Willowbrook, IL
Last updated January 11, 2024
ACS
Free
Neilsberg
CSV, JSON
2017-2021
CC BY 4.0
About this dataset

Context

The dataset presents the mean household income for each of the five quintiles in Willowbrook, IL, as reported by the U.S. Census Bureau. The dataset highlights the variation in mean household income across quintiles, offering valuable insights into income distribution and inequality.

Key observations

  • Income disparities: The mean income of the lowest quintile (20% of households with the lowest income) is 29,243, while the mean income for the highest quintile (20% of households with the highest income) is 330,977. This indicates that the top earners earn 11 times compared to the lowest earners.
  • *Top 5%: * The mean household income for the wealthiest population (top 5%) is 585,501, which is 176.90% higher compared to the highest quintile, and 2002.19% higher compared to the lowest quintile.
Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Income Levels:

  • Lowest Quintile
  • Second Quintile
  • Third Quintile
  • Fourth Quintile
  • Highest Quintile
  • Top 5 Percent

Variables / Data Columns

  • Income Level: This column showcases the income levels (As mentioned above).
  • Mean Household Income: Mean household income, in 2022 inflation-adjusted dollars for the specific income level.

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Recommended for further research

This dataset is a part of the main dataset for Willowbrook median household income. You can refer the same here

Willowbrook, IL households by income brackets: family, non-family, and total, in 2022 inflation-adjusted dollars
Last updated January 11, 2024
ACS
Free
Neilsberg
CSV, JSON
2017-2021
CC BY 4.0
About this dataset

Context

The dataset presents a breakdown of households across various income brackets in Willowbrook, IL, as reported by the U.S. Census Bureau. The Census Bureau classifies households into different categories, including total households, family households, and non-family households. Our analysis of U.S. Census Bureau American Community Survey data for Willowbrook, IL reveals how household income distribution varies among these categories. The dataset highlights the variation in number of households with income, offering valuable insights into the distribution of Willowbrook households based on income levels.

Key observations

  • For Family Households: In Willowbrook, the majority of family households, representing 21.37%, earn $200,000 or more, showcasing a substantial share of the community families falling within this income bracket. Conversely, the minority of family households, comprising 0.58%, have incomes falling $10,000 to $14,999, representing a smaller but still significant segment of the community.
  • For Non-Family Households: In Willowbrook, the majority of non-family households, accounting for 19.42%, have income $75,000 to $99,999, indicating that a substantial portion of non-family households falls within this income bracket. On the other hand, the minority of non-family households, comprising 2.03%, earn $10,000 to $14,999, representing a smaller, yet notable, portion of non-family households in the community.
Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Income Levels:

  • Less than $10,000
  • $10,000 to $14,999
  • $15,000 to $19,999
  • $20,000 to $24,999
  • $25,000 to $29,999
  • $30,000 to $34,999
  • $35,000 to $39,999
  • $40,000 to $44,999
  • $45,000 to $49,999
  • $50,000 to $59,999
  • $60,000 to $74,999
  • $75,000 to $99,999
  • $125,000 to $149,999
  • $150,000 to $199,999
  • $200,000 or more

Variables / Data Columns

  • Income Level: The income level represents the income brackets ranging from Less than $10,000 to $200,000 or more in Willowbrook, IL (As mentioned above).
  • All Households: Count of households for the specified income level
  • % All Households: Percentage of households at the specified income level relative to the total households in Willowbrook, IL
  • Family Households: Count of family households for the specified income level
  • % Family Households: Percentage of family households at the specified income level relative to the total family households in Willowbrook, IL
  • Non-Family Households: Count of non-family households for the specified income level
  • % Non-Family Households: Percentage of non-family households at the specified income level relative to the total non-family households in Willowbrook, IL

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Recommended for further research

This dataset is a part of the main dataset for Willowbrook median household income. You can refer the same here

If you're looking for datasets from another year, please feel free to contact us at research@neilsberg.com and we'll be happy to assist you further.

Explore more

Median household income of places that contain Willowbrook (in 2022 dollars)

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Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.

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