Median Household Income in Marin County, CA (2010-2023, in 2023 inflation-adjusted dollars)
Below, you will find a table illustrating the median household income in Marin County, spanning the years from 2010 to 2023, with all figures adjusted to 2023 inflation-adjusted dollars.
| Year | Median Household Income | YOY Change($) | YOY Change(%) |
|---|---|---|---|
| 2010 | 125,416 | - | - |
| 2011 | 121,999 | -3,417 | -2.72% |
| 2012 | 121,310 | -689 | -0.56% |
| 2013 | 119,339 | -1,971 | -1.62% |
| 2014 | 118,274 | -1,065 | -0.89% |
| 2015 | 120,300 | 2,026 | 1.71% |
| 2016 | 127,747 | 7,447 | 6.19% |
| 2017 | 130,566 | 2,819 | 2.21% |
| 2018 | 134,166 | 3,600 | 2.76% |
| 2019 | 137,786 | 3,620 | 2.70% |
| 2020 | 143,558 | 5,772 | 4.19% |
| 2021 | 147,450 | 3,892 | 2.71% |
| 2022 | 147,877 | 427 | 0.29% |
| 2023 | 142,785 | -5,092 | -3.44% |
TABLE OF CONTENTS
Marin County, CA median household income trends: 2010 to 2023
From 2010 to 2023, the median household income for Marin County increased by $17,369 (13.85%), as per the American Community Survey estimates. In comparison, median household income for the United States increased by $5,602 (7.68%) between 2010 and 2023.
Analyzing the trend in median household income between the years 2010 and 2023, spanning 13 annual cycles, we observed that median household income, when adjusted for 2023 inflation using the Consumer Price Index retroactive series (R-CPI-U-RS), experienced growth year by year for 8 years and declined for 5 years.
The most significant year-by-year growth occured from 2015 to 2016, when the median household income increased by 7,447 (from $120,300 to $127,747). Similarly the most substantial year-by-year decline occured from 2022 to 2023, when the median household income decreased by 5,092 (from $147,877 to $142,785).
When compared to all of the counties in the state of California, Marin County is ranked 3rd among the 58 counties for its median household income. This ranking suggests that Marin County is among the top-performing counties in California, in terms of median household income.
Median household income in Marin County, CA by household size
To gain deeper insights into the median household income for Marin County, 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, all of the household sizes were found in Marin County. Across the different household sizes in Marin County the mean income is $184,013, and the standard deviation is $62,228. The coefficient of variation (CV) is 33.82%. 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 Marin County, there were 2 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, 2023, The smallest household size for which the bureau reported a median household income was 1-person households, with an income of $66,000. It then further increased to $175,278 for 7-person households, the largest household size for which the bureau reported a median household income.
Marin County 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 | 66,000 |
| 2-person households | 165,122 |
| 3-person households | 196,830 |
| 4-person households | 250,001 |
| 5-person households | 250,001 |
| 6-person households | 184,861 |
| 7-or-more-person households | 175,278 |
According to the Census Bureau data, the median household income reaches its peak among 4-person households, reaching $250,001 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 Marin County falls within the range of $250,000 or more, rather than being a specific, precise number.
Marin County, CA income distribution and inequality
To gain a comprehensive understanding of income distribution in Marin County, 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.
Mean household income by quintile in Marin County
The table below presents the mean household income for each of the five quintiles in Marin County , offering valuable insights into income distribution and inequality.
| Income Level | Mean Household Income |
|---|---|
| Lowest Quintile | 28,035 |
| Second Quintile | 79,757 |
| Third Quintile | 144,224 |
| Fourth Quintile | 245,780 |
| Highest Quintile | 622,906 |
| Top 5 Percent | 1,106,868 |
Key findings:
- Income disparities: The mean income of the lowest quintile (20% of households with the lowest income) is 28,035, while the mean income for the highest quintile (20% of households with the highest income) is 622,906. This indicates that the top earners earn 22 times compared to the lowest earners.
- Top 5%: The mean household income for the wealthiest population (top 5%) is 1,106,868, which is 177.69% higher compared to the highest quintile, and 3948.16% higher compared to the lowest quintile.
Furthermore, as per the Census Bureau, the Gini coefficient for Marin County is 0.5232. 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).
Sources: U.S. Census Bureau, American Community Survey (ACS)
With a Gini coefficient of 0.5232, it is evident that income distribution in Marin County, CA 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 Marin County.It also implies that efforts may be needed to enhance economic fairness and reduce the gap between income groups in Marin County
Median household income in Marin County, CA by family type, 2023
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 Marin County 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 2023, for Marin County, there were a total of 65,149 family households and 38,052 non-family households.
For the family households, the median income (in 2023 inflation-adjusted dollars) was $190,681. For the non-family households, the median income (in 2023 inflation-adjusted dollars) was $80,392.
Marin County, CA households by income brackets: family, non-family, and total, 2023, in 2022 inflation-adjusted dollars
The table below presents a breakdown of households across various income brackets in Marin County. The data in the table offers insights into the distribution of Marin County households based on income levels.
| Income Level | All Households | % All Households | Family Households | % Family Households | Non-Family Households | % Non-Family Households |
|---|---|---|---|---|---|---|
| Total: | 103,201 | 100.00% | 65,149 | 100.00% | 38,052 | 100.00% |
| Less than $10,000 | 3,686 | 3.57% | 973 | 1.49% | 2,713 | 7.13% |
| $10,000 to $14,999 | 2,114 | 2.05% | 406 | 0.62% | 1,708 | 4.49% |
| $15,000 to $19,999 | 1,764 | 1.71% | 589 | 0.90% | 1,175 | 3.09% |
| $20,000 to $24,999 | 1,657 | 1.61% | 529 | 0.81% | 1,128 | 2.96% |
| $25,000 to $29,999 | 1,970 | 1.91% | 742 | 1.14% | 1,228 | 3.23% |
| $30,000 to $34,999 | 2,116 | 2.05% | 888 | 1.36% | 1,228 | 3.23% |
| $35,000 to $39,999 | 1,679 | 1.63% | 811 | 1.24% | 868 | 2.28% |
| $40,000 to $44,999 | 2,377 | 2.30% | 1,039 | 1.59% | 1,338 | 3.52% |
| $45,000 to $49,999 | 2,168 | 2.10% | 1,058 | 1.62% | 1,110 | 2.92% |
| $50,000 to $59,999 | 4,616 | 4.47% | 1,998 | 3.07% | 2,618 | 6.88% |
| $60,000 to $74,999 | 5,999 | 5.81% | 2,967 | 4.55% | 3,032 | 7.97% |
| $75,000 to $99,999 | 9,623 | 9.32% | 5,185 | 7.96% | 4,438 | 11.66% |
| $100,000 to $124,999 | 8,100 | 7.85% | 4,723 | 7.25% | 3,377 | 8.87% |
| $125,000 to $149,999 | 6,305 | 6.11% | 4,146 | 6.36% | 2,159 | 5.67% |
| $150,000 to $199,999 | 11,416 | 11.06% | 7,901 | 12.13% | 3,515 | 9.24% |
| $200,000 or more | 37,611 | 36.44% | 31,194 | 47.88% | 6,417 | 16.86% |
Key findings:
- For Family Households: In Marin County, the majority of family households, representing 47.88%, 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 0.62%, have incomes falling $35,000 to $39,999, representing a smaller but still significant segment of the community.
- For Non-Family Households: In Marin County, the majority of non-family households, accounting for 16.86%, have income $200,000 or more, 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 2.28%, earn $35,000 to $39,999, 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 Marin County, the majority, constituting 36.44%, 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 1.61%, have incomes $20,000 to $24,999, signifying a smaller segment of households in the community.
Things to know
What is the Gini index for Marin County, CA?
As per the Census Bureau, the Gini coefficient for Marin County is 0.5232. With this value of Gini coefficient, it is evident that income distribution in Marin County 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 Marin County.It also implies that efforts may be needed to enhance economic fairness and reduce the gap between income groups in Marin CountyWhat is the median household income in Marin County, CA?
As per the latest data available from American Community Survey, the median household income for Marin County is $142,785 (in 2023 inflation-adjusted dollars). This income is 181.80% of the U.S. median household income of $78,538 (all incomes in 2023 inflation-adjusted dollars).
How does Marin County, CA median household income compare to the rest of the United States?
When compared to all of the counties in the state of California, Marin County is ranked 3rd among the 58 counties for its median household income. This ranking suggests that Marin County is among the top-performing counties in California, in terms of median household income.
References
- U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates
- Consumer Price Index retroactive series using current methods (R-CPI-U-RS)
