Census tract · Greater Bridgeport Planning Region
Census Tract 604, Greater Bridgeport Planning Region, Connecticut
Census Tract 604, GEOID 09120060400, in Greater Bridgeport Planning Region, Connecticut, entirely within Fairfield. 4,974 residents in the ACS 2020-2024 5-year estimates (±1,086); the 2020 Census counted 4,494.
Residents, 2020-2024
4,974
±1,086 (90% margin)
2020 Census count: 4,494
Median household income
$250,000 or more
The survey's top or bottom value; no margin is published
Greater Bridgeport Planning Region: $89,667
Median home value
$1,510,800
±$214,064 (90% margin)
Greater Bridgeport Planning Region: $428,800
Median gross rent
not published
Greater Bridgeport Planning Region: $1,546
Where is Census Tract 604?
Census Tract 604 is one of 79 census tracts in Greater Bridgeport Planning Region, Connecticut. It covers 8.64 square miles of land, 520 residents per square mile in 2020. Its GEOID, 09120060400, names it uniquely (how tract numbers and GEOIDs work).
6 census tracts border Census Tract 604: Tract 603 ($196,216), Tract 605 ($250,000 or more), Tract 1051 ($201,576), Tract 503.01 in Western Connecticut Planning Region ($180,764), Tract 503.02 in Western Connecticut Planning Region ($250,000 or more) and Tract 552 in Western Connecticut Planning Region ($250,000 or more). The figure in brackets is each tract's median household income.
Whether a tract counts as low- or moderate-income for bank lending (the Community Reinvestment Act) is set by the FFIEC against its metro area's family income: look it up in the FFIEC census geocoder.
Source: 2024 Gazetteer and 2020 block assignment files, U.S. Census Bureau · Census reference files
How many people live in Census Tract 604?
The 2020-2024 American Community Survey puts Census Tract 604's population at 4,974 (±1,086) in 1,395 households; the 2020 Census counted 4,494 residents and 1,596 housing units.
| Measure | Tract 604 | Fairfield |
|---|---|---|
| Total population | 4,974 ±1,086 | 63,416 |
| Households | 1,395 ±187 | 21,561 |
| Average household size | 3.56 ±0.39 | 2.72 |
| Housing units | 1,546 ±180 | 22,537 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Census Tract 604?
The median resident of Census Tract 604 is 40.0 years old; 36.2% are under 18 and 11.9% are 65 or older. The largest group is non-Hispanic white residents at 96.0%, then Hispanic or Latino residents (of any race) at 2.3%. 5.6% of residents were born outside the United States.
| Measure | Tract 604 | Fairfield |
|---|---|---|
| Median age | 40.0 ±4.2 | 40.1 |
| Under 18 years | 36.2% ±7.3 pts | 24.0% |
| 65 years and over | 11.9% ±4.2 pts | 16.6% |
| Hispanic or Latino (any race) | 2.3% ±1.4 pts | 6.7% |
| White alone, not Hispanic | 96.0% ±1.9 pts | 83.3% |
| Black or African American alone, not Hispanic | 0.2% ±0.3 pts | 0.7% |
| Asian alone, not Hispanic | 1.0% ±0.9 pts | 5.9% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±0.8 pts | 0.0% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.8 pts | 0.0% |
| Two or more races, not Hispanic | 0.5% ±0.6 pts | 2.5% |
| Some other race alone, not Hispanic | 0.0% ±0.8 pts | 0.9% |
| Born outside the United States | 5.6% ±2.4 pts | 12.6% |
| Speak a language other than English at home (age 5+) | 9.2% ±4.1 pts | 16.0% |
| Civilian veterans (age 18+) | 0.9% ±0.9 pts | 3.1% |
| With a disability | 5.3% ±2.5 pts | 7.9% |
| No health insurance coverage | 0.9% ±0.9 pts | 2.7% |
| High school graduate or higher (age 25+) | 99.7% ±0.5 pts | 96.7% |
| Bachelor's degree or higher (age 25+) | 81.3% ±5.0 pts | 71.1% |
| Graduate or professional degree (age 25+) | 41.2% ±5.6 pts | 32.1% |
| Lived in the same house a year earlier | 91.4% ±5.3 pts | 89.4% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Census Tract 604 earn?
Half of the 1,395 households in Census Tract 604 earn less than $250,000 or more a year (), against $89,667 across Greater Bridgeport Planning Region: 1st highest of the county's 76 tracts with a reliable estimate. 2.5% of residents live below the poverty line.
| Measure | Tract 604 | Fairfield |
|---|---|---|
| Median household income | $250,000 or more | $172,432 |
| Mean household income | $354,030 ±$45,337 | $238,230 |
| Per capita income | $103,013 ±$20,342 | $83,351 |
| People below the poverty line | 2.5% ±1.6 pts | 4.7% |
| Children under 18 below the poverty line | 0.0% ±2.3 pts | 2.1% |
| Households receiving SNAP | 0.0% ±3.0 pts | 2.6% |
| Households with a computer | 99.4% ±1.1 pts | 96.8% |
| Households with a broadband subscription | 100.0% ±3.0 pts | 95.7% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Census Tract 604?
Owners occupy 99.4% of Census Tract 604's occupied homes and renters 0.6%. The median owner-occupied home is valued at $1,510,800 by its owner (±$214,064).
| Measure | Tract 604 | Fairfield |
|---|---|---|
| Median home value (owner-occupied) | $1,510,800 ±$214,064 | $780,500 |
| Renters paying 35% or more of income on rent | 0.0% ±100.0 pts | 41.8% |
| Median monthly owner costs, with a mortgage | $4,000 or more | $3,948 |
| Owner-occupied homes | 99.4% ±0.9 pts | 83.3% |
| Renter-occupied homes | 0.6% ±0.9 pts | 16.7% |
| Housing units | 1,546 ±180 | 22,537 |
| Single-family detached homes | 100.0% ±2.7 pts | 77.5% |
| Mobile homes | 0.0% ±2.7 pts | 0.1% |
| Built 2020 or later | 0.5% ±0.8 pts | 1.2% |
| Built 2010 to 2019 | 3.0% ±3.0 pts | 6.2% |
| Built 1939 or earlier | 23.9% ±5.9 pts | 19.0% |
| Households with no vehicle | 3.0% ±2.1 pts | 2.8% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How do people in Census Tract 604 get to work?
39.7% of Census Tract 604's workers drive alone and 34.6% work from home. The average trip to work takes 44.5 minutes. The unemployment rate in 2020-2024 averaged 7.4%.
| Measure | Tract 604 | Fairfield |
|---|---|---|
| In the labor force (age 16+) | 66.1% ±4.9 pts | 63.9% |
| Unemployment rate | 7.4% ±4.2 pts | 5.9% |
| Drove alone to work | 39.7% ±11.2 pts | 54.6% |
| Carpooled | 8.8% ±8.4 pts | 5.2% |
| Public transportation | 13.1% ±7.9 pts | 7.7% |
| Walked | 1.3% ±1.5 pts | 2.4% |
| Worked from home | 34.6% ±11.7 pts | 28.4% |
| Mean travel time to work | 44.5 min ±14.1 | 32.9 min |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
How does Census Tract 604 compare with the other tracts in Greater Bridgeport Planning Region?
Among Greater Bridgeport Planning Region's tracts with a reliable estimate, Census Tract 604 ranks as shown below (1 = highest).
| Measure | In Greater Bridgeport Planning Region |
|---|---|
| Population | 19th of 78 |
| Residents per square mile | 76th of 78 |
| Median household income | 1st of 76 |
| Per capita income | 5th of 78 |
| Median home value | 1st of 74 |
| Poverty rate | 51st of 53 |
| Bachelor's degree or higher | 5th of 74 |
| Median age | 40th of 78 |
| Owner-occupied share | 1st of 75 |
The tracts next to it on Greater Bridgeport Planning Region's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 604 | 1st | $250,000 or more |
| Tract 605 | 1st | $250,000 or more |
| Tract 1052 | 3rd | $248,250±$71,513 |
| Tract 611 | 4th | $220,156±$42,455 |
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · How ranks are computed
How reliable are the figures for Census Tract 604?
2 of the 17 figures for Census Tract 604 on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
A census tract's figures rest on a few hundred sampled households over five years, so its margins are wider than a city's. Two tracts differ only when the gap between them is larger than their combined 90% margin (the square root of the sum of the two squared margins). How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · Check it at data.census.gov
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections