Fairfield County, CT demographics:
population, income, and more

Total population
968,256
0.9% year-over-year change
Median household income
$137,202/yr
-0.4% year-over-year change
Housing units
382,018
0.6% year-over-year change

Fairfield County population

How many people live in Fairfield County

Fairfield County is home to 968,256 residents, according to the most recent Census data. Gender-wise, 49.1% of Fairfield County locals are male, and 50.9% are female.

Total population
968,256
0.9% year-over-year change
Gender ratio
Male
49.1%
475,427
Female
50.9%
492,829
Value Percent YoY change
Male 475,427 49.1% 1.0%
Female 492,829 50.9% 0.9%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Fairfield County is 42, with the population distributed as follows: about 17.6% are children under 15, then 13.1% are in the 15 to 24 age group. Adults between 25 and 44 make up 24.6% of the population, while another 27.6% fall into the 45 to 64 bracket. Finally, around 17.1% are 65 or older.

Median age
42
Age breakdown
Under 15
17.6%
15 to 24
13.1%
25 to 44
24.6%
45 to 64
27.6%
Over 65
17.1%
Value Percent YoY change
Under 15 170,486 17.6% 0.1%
15 to 24 126,667 13.1% 1.5%
25 to 44 238,590 24.6% 1.7%
45 to 64 267,149 27.6% -0.7%
Over 65 165,364 17.1% 3.1%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Fairfield County, 73.6% of the population are US-born citizens, while 15% have gained naturalized citizenship. At the same time, 11.4% of residents are non-citizens. As for race, 59% of locals are Caucasian, 10.8% are African American and 5.6% have Asian roots. There’s also a share of 13.4% that includes residents with two or more races.

Citizenship
U.S.-born citizens
73.6%
Non-U.S.-born citizens
15%
Non-citizens
11.4%
Value Percent YoY change
U.S.-born citizens 712,854 73.6% 0.9%
Non-U.S.-born citizens 145,323 15% -0.6%
Non-citizens 110,079 11.4% 3.2%
Racial breakdown
White
59%
Black or African American
10.8%
American Indian and Alaska Native
0.4%
Asian
5.6%
Native Hawaiian and other Pacific Islander
0%
Two or more races
13.4%
Other
10.7%
Value Percent
White 571,505 59%
Black or African American 104,943 10.8%
American Indian and Alaska Native 4,361 0.4%
Asian 54,202 5.6%
Native Hawaiian and other Pacific Islander 442 0%
Two or more races 129,540 13.4%
Other 103,263 10.7%

Households in Fairfield County

A peek inside Fairfield County households

Fairfield County has 359,761 households, with an average of 3 members in each. Of these, 67.8% are families, while the remaining 32.2% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
359,761
1.3% year-over-year change
Average people per household
3
Non-family households
115,797
Family households
243,964
Value Percent YoY change
Non-family households 115,797 32.2% 4.0%
Family households 243,964 67.8% 0.1%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Fairfield County

The housing landscape of Fairfield County

Fairfield County's housing consists of 382,018 units, with 55.7% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 8% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 0.3% of the housing landscape.

Housing units
382,018
0.6% year-over-year change
Housing types
Value Percent
1 unit, detached 212,761 55.7%
1 unit, attached 30,554 8%
2 units 29,925 7.8%
3 or 4 units 27,258 7.1%
5 to 9 units 14,993 3.9%
10 to 19 units 12,376 3.2%
20 to 49 units 16,386 4.3%
50 or more units 36,498 9.6%
Mobile home 1,157 0.3%
Boat, RV, van, etc. 110 0%
Homes built since 2020
3,616
58.7% year-over-year change

The age of buildings in Fairfield County

In Fairfield County, the median construction year is 1967. About 18.7% of homes were built before the 1940s, with another 6.8% going up by 1949. Most development happened in the second half of the 20th century. Then, 7% of homes were added from 2000 to 2009, 6.7% between 2010 and 2019, and 1% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 71,304 18.7% 0.5%
Built between 1940 and 1949 25,961 6.8% -1.7%
Built between 1950 and 1959 55,771 14.6% -0.1%
Built between 1960 and 1969 51,574 13.5% -1.1%
Built between 1970 and 1979 51,454 13.5% -1.2%
Built between 1980 and 1989 44,727 11.7% 1.8%
Built between 1990 and 1999 25,406 6.6% 0.0%
Built between 2000 and 2009 26,575 7% 1.2%
Built between 2010 and 2019 25,630 6.7% 4.1%
Built in 2020 or later 3,616 1% 58.7%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Fairfield County occupancy rates

Out of the 359,761 occupied housing units in Fairfield County, 66% are owner-occupied, while 34% are lived in by tenants. Meanwhile, 5.8% of all homes on the local market sit vacant.

Occupied housing units
359,761
1.3% year-over-year change
Occupancy breakdown
Renter occupied
122,238
Owner occupied
237,523
Value Percent YoY
change
Renter occupied 122,238 34% 0.9%
Owner occupied 237,523 66% 1.5%
Unoccupied housing units
5.8%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Fairfield County housing costs

Housing costs in Fairfield County come to a median of $2,498 per month, while tenants specifically pay a median gross rent of $2,060.

Median housing costs per month
$2,498/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Fairfield County
$2,060/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Fairfield County

Fairfield County education at a glance

About 26.3% of the population in Fairfield County went to high school, while 15.7% pursued college studies. Another 5.6% earned an associate degree and 27% hold a bachelor’s. Meanwhile, 20.6% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 36,791 4.9% 0.5%
High school diploma 199,044 26.3% 0.8%
College diploma 118,631 15.7% 1.0%
Associate degree 42,596 5.6% 0.2%
Bachelor's degree 204,618 27% 1.7%
Graduate degree 155,675 20.6% 1.4%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Fairfield County

How much people earn in Fairfield County

The average annual household income in Fairfield County was $219,639 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +3.9% change from the previous year. At the same time, the median income stood at $137,202, reflecting a -0.4% shift over the same period.

Average household income in Fairfield County
$219,639/year
3.9% year-over-year change
Median household income in Fairfield County
$137,202/year
-0.4% year-over-year change

Fairfield County income by age

In Fairfield County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $155,990. Those with someone between 45 and 64 in charge, often well established professionally, earn $165,410 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $70,288, while those led by someone over 65, many of whom may be retired, have about $94,431 in earnings. Overall, 90.9% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $70,288 1.9%
25 - 44 $155,990 -2.8%
45 - 64 $165,410 3.2%
Over 65 $94,431 0.3%
Above poverty level
856,192
Below poverty level
85,889
Value Percent YoY
change
Above poverty level 856,192 90.9% 1.1%
Below poverty level 85,889 9.1% -0.9%

Employment in Fairfield County

Workforce and job types in Fairfield County

85.1% of the working population are employed in professional or administrative positions, while 14.9% are in hands-on or service-based jobs. Also, 13.1% run their own businesses, 67.1% are employed by private companies, and 10% work in the public sector.

Workforce demographics

White collar
423,433
Blue collar
74,272
Value Percent YoY change
White collar 423,433 85.1% 1.5%
Blue collar 74,272 14.9% -0.0%
Employer type
Self employees
13.1%
Private companies
67.1%
Governmental workers
10%
Not for profit companies
9.8%
Value Percent YoY change
Self employees 65,064 13.1% 3.3%
Private companies 333,983 67.1% 0.3%
Governmental workers 49,668 10% 0.9%
Not for profit companies 48,990 9.8% 5.1%

Transportation in Fairfield County

How people get around in Fairfield County

In Fairfield County, the average commute time is 456 minutes. Commuting methods vary: 88.9% of residents travel by personal vehicle and 3.1% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
456 min
-17.7% year-over-year change
Means of transportation
Value Percent YoY change
Car 341,329 88.9% -1.1%
Taxicab 2,021 0.5% 5.6%
Bus or trolleybus 6,899 1.8% -2.7%
Railroad 20,972 5.5% -6.0%
Ferryboat 124 0% -41.8%
Motorcycle 87 0% -5.4%
Bicycle 703 0.2% 6.8%
Walk 11,942 3.1% -2.8%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Fairfield County by zipcode?

Zipcode Population Number of households Median income Average income
06605 25,929 10,380 $56,179 $89,608
06606 49,308 17,649 $73,372 $99,048
06607 7,979 2,596 $50,000 $72,332
06608 12,146 4,470 $45,754 $60,967
06610 22,020 8,929 $51,634 $72,846
06468 18,949 6,209 $157,250 $216,662
06470 15,593 5,433 $153,238 $202,822
06482 12,000 4,142 $159,828 $198,734
06484 41,889 16,096 $108,185 $138,636
06604 31,771 12,534 $50,026 $68,248

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FAQs about Fairfield County demographics 

What is the total population of Fairfield County?

Fairfield County has a total population of 968,256 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +0.9% compared to a year ago.

What is the gender ratio in Fairfield County?

The gender ratio in Fairfield County is as follows:
  • 49.1% males (475,427 residents)
  • 50.9% females (492,829 residents)

What is the median age in Fairfield County?

The median age in Fairfield County is 42.

What is the age distribution of the population in Fairfield County?

The age distribution in Fairfield County is as follows:
  • Under 15: 17.6% (170,486 residents)
  • Ages 15-24: 13.1% (126,667 residents)
  • Ages 25-44: 24.6% (238,590 residents)
  • Ages 45-64: 27.6% (267,149 residents)
  • Over 65: 17.1% (165,364 residents)

What is the racial and ethnic makeup of Fairfield County?

The racial and ethnic makeup of Fairfield County is as follows:
  • White: 59% (571,505 residents)
  • Black or African American: 10.8% (104,943 residents)
  • American Indian and Alaska Native: 0.4% (4,361 residents)
  • Asian: 5.6% (54,202 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (442 residents)
  • Two or More Races: 13.4% (129,540 residents)
  • Other: 10.7% (103,263 residents)

What percentage of the population in Fairfield County are U.S.-born citizens?

U.S.-born citizens represent 73.6% of the population in Fairfield County.

How many housing units are there in Fairfield County?

There are 382,018 housing units in Fairfield County, reflecting a +0.6% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Fairfield County and what is the average household size?

Fairfield County has a total of 359,761 households, with an average of 3 people in each.

What is the median household income in Fairfield County?

Fairfield County has a median household income of $137,202, representing a -0.4% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Fairfield County?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 85.1% (423,433 residents)
  • Blue-collar workers: 14.9% (74,272 residents)

Places of employment:
  • Self-employed: 13.1% (65,064 residents)
  • Private companies: 67.1% (333,983 residents)
  • Governmental workers: 10% (49,668 residents)
  • Not-for-profit companies: 9.8% (48,990 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025