Census tract · Greater Bridgeport Planning Region
Census Tract 603, Greater Bridgeport Planning Region, Connecticut
Census Tract 603, GEOID 09120060300, in Greater Bridgeport Planning Region, Connecticut, entirely within Fairfield. 4,396 residents in the ACS 2020-2024 5-year estimates (±761); the 2020 Census counted 3,986.
Residents, 2020-2024
4,396
±761 (90% margin)
2020 Census count: 3,986
Median household income
$196,216
±$90,228 (90% margin)
Greater Bridgeport Planning Region: $89,667
Median home value
$1,025,200
±$78,262 (90% margin)
Greater Bridgeport Planning Region: $428,800
Median gross rent
not published
Greater Bridgeport Planning Region: $1,546
Where is Census Tract 603?
Census Tract 603 is one of 79 census tracts in Greater Bridgeport Planning Region, Connecticut. It covers 4.51 square miles of land, 884 residents per square mile in 2020. Its GEOID, 09120060300, names it uniquely (how tract numbers and GEOIDs work).
5 census tracts border Census Tract 603: Tract 602 ($123,717), Tract 604 ($250,000 or more), Tract 605 ($250,000 or more), Tract 610 ($123,033) and Tract 1051 ($201,576). 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 603?
The 2020-2024 American Community Survey puts Census Tract 603's population at 4,396 (±761) in 1,504 households; the 2020 Census counted 3,986 residents and 1,388 housing units.
| Measure | Tract 603 | Fairfield |
|---|---|---|
| Total population | 4,396 ±761 | 63,416 |
| Households | 1,504 ±285 | 21,561 |
| Average household size | 2.92 ±0.34 | 2.72 |
| Housing units | 1,514 ±285 | 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 603?
The median resident of Census Tract 603 is 44.4 years old; 29.5% are under 18 and 17.6% are 65 or older. The largest group is non-Hispanic white residents at 89.9%, then non-Hispanic Asian residents at 5.9%. 10.8% of residents were born outside the United States.
| Measure | Tract 603 | Fairfield |
|---|---|---|
| Median age | 44.4 ±6.6 | 40.1 |
| Under 18 years | 29.5% ±7.6 pts | 24.0% |
| 65 years and over | 17.6% ±4.6 pts | 16.6% |
| Hispanic or Latino (any race) | 2.2% ±1.5 pts | 6.7% |
| White alone, not Hispanic | 89.9% ±5.3 pts | 83.3% |
| Black or African American alone, not Hispanic | 0.0% ±1.0 pts | 0.7% |
| Asian alone, not Hispanic | 5.9% ±4.9 pts | 5.9% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±1.0 pts | 0.0% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±1.0 pts | 0.0% |
| Two or more races, not Hispanic | 2.0% ±1.6 pts | 2.5% |
| Some other race alone, not Hispanic | 0.0% ±1.0 pts | 0.9% |
| Born outside the United States | 10.8% ±4.1 pts | 12.6% |
| Speak a language other than English at home (age 5+) | 10.5% ±4.1 pts | 16.0% |
| Civilian veterans (age 18+) | 1.5% ±1.1 pts | 3.1% |
| With a disability | 6.6% ±3.3 pts | 7.9% |
| No health insurance coverage | 0.0% ±1.0 pts | 2.7% |
| High school graduate or higher (age 25+) | 99.4% ±0.6 pts | 96.7% |
| Bachelor's degree or higher (age 25+) | 82.4% ±6.9 pts | 71.1% |
| Graduate or professional degree (age 25+) | 41.3% ±11.6 pts | 32.1% |
| Lived in the same house a year earlier | 96.5% ±2.4 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 603 earn?
Half of the 1,504 households in Census Tract 603 earn less than $196,216 a year (±$90,228), against $89,667 across Greater Bridgeport Planning Region: 11th highest of the county's 76 tracts with a reliable estimate.
| Measure | Tract 603 | Fairfield |
|---|---|---|
| Median household income | $196,216 ±$90,228 | $172,432 |
| Mean household income | $306,347 ±$67,764 | $238,230 |
| Per capita income | $105,964 ±$33,113 | $83,351 |
| People below the poverty line | 3.8% ±3.2 pts | 4.7% |
| Children under 18 below the poverty line | 1.4% ±2.7 pts | 2.1% |
| Households receiving SNAP | 5.9% ±5.3 pts | 2.6% |
| Households with a computer | 98.3% ±2.7 pts | 96.8% |
| Households with a broadband subscription | 98.3% ±2.7 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 603?
Owners occupy 99.3% of Census Tract 603's occupied homes and renters 0.7%. The median owner-occupied home is valued at $1,025,200 by its owner (±$78,262).
| Measure | Tract 603 | Fairfield |
|---|---|---|
| Median home value (owner-occupied) | $1,025,200 ±$78,262 | $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 | 99.3% ±1.1 pts | 83.3% |
| Renter-occupied homes | 0.7% ±1.1 pts | 16.7% |
| Housing units | 1,514 ±285 | 22,537 |
| Single-family detached homes | 99.3% ±1.1 pts | 77.5% |
| Mobile homes | 0.0% ±2.8 pts | 0.1% |
| Built 2020 or later | 0.5% ±0.8 pts | 1.2% |
| Built 2010 to 2019 | 1.1% ±1.1 pts | 6.2% |
| Built 1939 or earlier | 5.2% ±3.9 pts | 19.0% |
| Households with no vehicle | 1.5% ±2.4 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 603 get to work?
50.7% of Census Tract 603's workers drive alone and 27.0% work from home. The average trip to work takes 46.4 minutes.
| Measure | Tract 603 | Fairfield |
|---|---|---|
| In the labor force (age 16+) | 65.8% ±5.4 pts | 63.9% |
| Unemployment rate | 2.1% ±2.3 pts | 5.9% |
| Drove alone to work | 50.7% ±11.4 pts | 54.6% |
| Carpooled | 1.9% ±2.2 pts | 5.2% |
| Public transportation | 19.9% ±12.3 pts | 7.7% |
| Walked | 0.0% ±2.1 pts | 2.4% |
| Worked from home | 27.0% ±8.4 pts | 28.4% |
| Mean travel time to work | 46.4 min ±15.0 | 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 603 compare with the other tracts in Greater Bridgeport Planning Region?
Among Greater Bridgeport Planning Region's tracts with a reliable estimate, Census Tract 603 ranks as shown below (1 = highest).
| Measure | In Greater Bridgeport Planning Region |
|---|---|
| Population | 36th of 78 |
| Residents per square mile | 73rd of 78 |
| Median household income | 11th of 76 |
| Per capita income | 3rd of 78 |
| Median home value | 4th of 74 |
| Bachelor's degree or higher | 4th of 74 |
| Median age | 18th of 78 |
| Owner-occupied share | 2nd of 75 |
The tracts next to it on Greater Bridgeport Planning Region's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 616 | 8th | $202,948±$39,943 · within the margin of this tract |
| Tract 1051 | 9th | $201,576±$38,794 · within the margin of this tract |
| Tract 606 | 10th | $198,654±$45,357 · within the margin of this tract |
| Tract 603 | 11th | $196,216±$90,228 |
| Tract 906 | 12th | $194,125±$77,685 · within the margin of this tract |
| Tract 601 | 13th | $190,100±$37,096 · within the margin of this tract |
| Tract 607 | 14th | $189,495±$15,661 · within the margin of this tract |
"Within the margin": the two incomes differ by less than their combined 90% margins, so the survey cannot say which is higher and the ranks between them are not firm.
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 603?
4 of the 17 figures for Census Tract 603 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