Fairfield County, CT Population by Gender

The total population of Fairfield County is estimated to be 956,446 with 468,448 males (48.98%) and 487,998 females (51.02%). There are 19,550 more females than males in Fairfield County.
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Updated Sep 15, 2023

Fairfield County, CT population by gender

The table below shows Fairfield County's population by gender

Gender Population % of Total Population
Male 468,448 48.98%
Female 487,998 51.02%
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Avg Income Age group Avg Income Diversity Index Population Gender ratio (M:F) Homeownership % Avg commute time Custom Dataset: Fairfield County 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

Fairfield County, CT population by gender, in percentage

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 51.02% females and 48.98% males in Fairfield County, CT.

The above comparison shows there are more females than males in the Fairfield County county as compared to the nation.

The pie chart shows Fairfield County, CT population by gender with male and female population as a percentage of total population. The female population is shown in pink color and male population is shown in blue color.
Fairfield County, CT population by gender. There is a slight majority of female population, with 51.02% of total population being female. Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Fairfield County, CT gender ratio

Gender Ratio:
96
Men
100
Women

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

In Fairfield County, CT, there are less men than women. The Fairfield County, CT gender ratio is 96:100 i.e. 96 men to 100 women (0.960).

This ratio is lower than the national average of 98:100 i.e 98 men to 100 women (0.980).

Fairfield County, CT gender ratio by age

In Fairfield County, CT, the sex ratio for children under 18 years is 103.8 boys per 100 girls (103.8:100).Having said that, for seniors aged 80 and older, there are 59.5 males per 100 females (59.5:100).

On the national level, the sex ratio (male per 100 females) for under 18 age group is 104.8:100, and 64.5:100 for the senior population 80 years and older.

The table below lists the male and female population in each age group along with the gender ratio for Fairfield County, CT.

Age Group Population (Male) Population (Female) Gender Ratio
Under 5 years 26,298 25,136 1.05
5 to 9 years 29,210 28,033 1.04
10 to 14 years 33,120 32,380 1.02
15 to 19 years 34,214 33,110 1.03
20 to 24 years 30,509 29,474 1.04
25 to 29 years 27,137 26,263 1.03
30 to 34 years 27,568 28,013 0.98
35 to 39 years 29,108 29,556 0.98
40 to 44 years 30,781 31,531 0.98
45 to 49 years 32,085 33,463 0.96
50 to 54 years 35,248 36,741 0.96
55 to 59 years 34,309 37,922 0.90
60 to 64 years 32,121 31,731 1.01
65 to 69 years 22,413 25,023 0.90
70 to 74 years 17,896 20,324 0.88
75 to 79 years 11,534 14,267 0.81
80 to 84 years 7,264 10,014 0.73
85 years and over 7,633 15,017 0.51
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Interesting observation from the above table:

  • The sex ratio at birth is 1.046 i.e. 104.6 boys per 100 girls.
  • For the 60-64 years, the sex ratio is 1.012 i.e. 1.2 more men per 100 women.
  • While for senior most population of 85+ age group, the sex ratio is 0.508 i.e. 50.8 senior men per 100 senior women.

Fairfield County, CT population by gender & age

For male population, the largest age group is 50-54 years with a population of 35,248. Whereas, for the female population, the largest age group is 55-59 years with a population of 37,922.

As you can note from the above numbers, the largest age group for men and women are different.

The grouped bar chart shows Fairfield County, CT population by age and gender across 18 age groups, defined between the age of 0 and 85 and above. The female population is shown in pink color bar and male population is shown in blue color bar. Age group is plotted on x axis and population on y axis.
California population by gender and age. Largest age group (population): Male # 50-54 years (35,248) | Female # 55-59 years (37,922). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Under the age of 5, there are 26,298 boys and 25,136 girls in Fairfield County, CT. Thus there are 1,162 more boys than girls under the age of 5.

Between the age group of 60-64 years, there are 32,121 males and 31,731 females in Fairfield County, CT. Thus there are 390 more males than females between the age of 60 and 64 years.

For the senior most age group of 85+ years, there are 7,633 males and 15,017 females.

Things to know

What percent of Fairfield County, CT is female?

According to the ACS survey, of the total Fairfield County, CT population of 956,446, 51.02% percent are females.

What percentage of Fairfield County, CT is male?

According to the ACS survey, of the total Fairfield County, CT population of 956,446, 48.98% percent are males.

What is the male to female ratio in Fairfield County, CT?

In Fairfield County, CT, the male to female ratio is 96:100 i.e. 96 men to 100 women (0.960).

References

Datasets

Explore datasets by year of publication.
2023
Fairfield County, CT Population Breakdown by Gender
Last updated September 14, 2023
ACS
Free
Neilsberg
CSV, JSON
2017-2021
CC BY 4.0
About this dataset

Context

The dataset tabulates the population of Fairfield County by gender, including both male and female populations. This dataset can be utilized to understand the population distribution of Fairfield County across both sexes and to determine which sex constitutes the majority.

Key observations

There is a slight majority of female population, with 51.02% of total population being female. Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Content

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

Scope of gender :

Please note that American Community Survey asks a question about the respondents current sex, but not about gender, sexual orientation, or sex at birth. The question is intended to capture data for biological sex, not gender. Respondents are supposed to respond with the answer as either of Male or Female. Our research and this dataset mirrors the data reported as Male and Female for gender distribution analysis. No further analysis is done on the data reported from the Census Bureau.

Variables / Data Columns

  • Gender: This column displays the Gender (Male / Female)
  • Population: The population of the gender in the Fairfield County is shown in this column.
  • % of Total Population: This column displays the percentage distribution of each gender as a proportion of Fairfield County total population. Please note that the sum of all percentages may not equal one due to rounding of values.

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 Fairfield County Population by Gender. You can refer the same here

Fairfield County, CT Population Breakdown by Gender and Age
Last updated September 14, 2023
ACS
Free
Neilsberg
CSV, JSON
2017-2021
CC BY 4.0
About this dataset

Context

The dataset tabulates the population of Fairfield County by gender across 18 age groups. It lists the male and female population in each age group along with the gender ratio for Fairfield County. The dataset can be utilized to understand the population distribution of Fairfield County by gender and age. For example, using this dataset, we can identify the largest age group for both Men and Women in Fairfield County. Additionally, it can be used to see how the gender ratio changes from birth to senior most age group and male to female ratio across each age group for Fairfield County.

Key observations

Largest age group (population): Male # 50-54 years (35,248) | Female # 55-59 years (37,922). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Content

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

Age groups:

  • Under 5 years
  • 5 to 9 years
  • 10 to 14 years
  • 15 to 19 years
  • 20 to 24 years
  • 25 to 29 years
  • 30 to 34 years
  • 35 to 39 years
  • 40 to 44 years
  • 45 to 49 years
  • 50 to 54 years
  • 55 to 59 years
  • 60 to 64 years
  • 65 to 69 years
  • 70 to 74 years
  • 75 to 79 years
  • 80 to 84 years
  • 85 years and over

Scope of gender :

Please note that American Community Survey asks a question about the respondents current sex, but not about gender, sexual orientation, or sex at birth. The question is intended to capture data for biological sex, not gender. Respondents are supposed to respond with the answer as either of Male or Female. Our research and this dataset mirrors the data reported as Male and Female for gender distribution analysis.

Variables / Data Columns

  • Age Group: This column displays the age group for the Fairfield County population analysis. Total expected values are 18 and are define above in the age groups section.
  • Population (Male): The male population in the Fairfield County is shown in the following column.
  • Population (Female): The female population in the Fairfield County is shown in the following column.
  • Gender Ratio: Also known as the sex ratio, this column displays the number of males per 100 females in Fairfield County for each age group.

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 Fairfield County Population by Gender. 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.

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Neilsberg Research
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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