Census tract · South Central Connecticut Planning Region
Census Tract 1903.03, South Central Connecticut Planning Region, Connecticut
Census Tract 1903.03, GEOID 09170190303, in South Central Connecticut Planning Region, Connecticut, entirely within Guilford. 3,220 residents in the ACS 2020-2024 5-year estimates (±383); the 2020 Census counted 3,349.
Residents, 2020-2024
3,220
±383 (90% margin)
2020 Census count: 3,349
Median household income
$141,800
±$44,166 (90% margin)
South Central Connecticut Planning Region: $88,197
Median home value
$481,300
±$46,271 (90% margin)
South Central Connecticut Planning Region: $353,100
Median gross rent
$1,953
±$1,581 (90% margin)
South Central Connecticut Planning Region: $1,525
Where is Census Tract 1903.03?
Census Tract 1903.03 is one of 136 census tracts in South Central Connecticut Planning Region, Connecticut. It covers 17.00 square miles of land, 197 residents per square mile in 2020. Its GEOID, 09170190303, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Guilford | 100% |
6 census tracts border Census Tract 1903.03: Tract 5851 in Lower Connecticut River Valley Planning Region ($158,857), Tract 1861 ($109,415), Tract 1862 ($105,694), Tract 1903.01 ($168,646), Tract 1903.02 ($135,833) and Tract 1942.01 ($178,287). 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 1903.03?
The 2020-2024 American Community Survey puts Census Tract 1903.03's population at 3,220 (±383) in 1,218 households; the 2020 Census counted 3,349 residents and 1,378 housing units.
| Measure | Tract 1903.03 | Guilford |
|---|---|---|
| Total population | 3,220 ±383 | 22,108 |
| Households | 1,218 ±136 | 8,870 |
| Average household size | 2.62 ±0.24 | 2.47 |
| Housing units | 1,292 ±128 | 9,839 |
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 1903.03?
The median resident of Census Tract 1903.03 is 49.1 years old; 22.1% are under 18 and 23.3% are 65 or older. The largest group is non-Hispanic white residents at 75.9%, then non-Hispanic residents of two or more races at 8.9%. 12.8% of residents were born outside the United States.
| Measure | Tract 1903.03 | Guilford |
|---|---|---|
| Median age | 49.1 ±7.2 | 51.1 |
| Under 18 years | 22.1% ±3.2 pts | 20.8% |
| 65 years and over | 23.3% ±5.4 pts | 26.6% |
| Hispanic or Latino (any race) | 6.7% ±4.3 pts | 5.8% |
| White alone, not Hispanic | 75.9% ±11.1 pts | 82.9% |
| Black or African American alone, not Hispanic | 4.1% ±5.9 pts | 1.6% |
| Asian alone, not Hispanic | 4.1% ±4.1 pts | 4.5% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±1.3 pts | 0.0% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±1.3 pts | 0.0% |
| Two or more races, not Hispanic | 8.9% ±8.2 pts | 4.3% |
| Some other race alone, not Hispanic | 0.3% ±0.5 pts | 1.0% |
| Born outside the United States | 12.8% ±7.7 pts | 9.4% |
| Speak a language other than English at home (age 5+) | 18.0% ±8.6 pts | 12.4% |
| Civilian veterans (age 18+) | 3.6% ±1.8 pts | 6.3% |
| With a disability | 10.5% ±3.9 pts | 9.6% |
| No health insurance coverage | 1.0% ±1.0 pts | 2.1% |
| High school graduate or higher (age 25+) | 97.9% ±2.3 pts | 98.1% |
| Bachelor's degree or higher (age 25+) | 55.6% ±7.4 pts | 60.6% |
| Graduate or professional degree (age 25+) | 27.5% ±6.4 pts | 32.9% |
| Lived in the same house a year earlier | 90.8% ±6.7 pts | 91.9% |
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 1903.03 earn?
Half of the 1,218 households in Census Tract 1903.03 earn less than $141,800 a year (±$44,166), against $88,197 across South Central Connecticut Planning Region: 20th highest of the county's 135 tracts with a reliable estimate.
| Measure | Tract 1903.03 | Guilford |
|---|---|---|
| Median household income | $141,800 ±$44,166 | $137,816 |
| Mean household income | $187,021 ±$25,266 | $180,527 |
| Per capita income | $70,479 ±$9,760 | $73,138 |
| People below the poverty line | 2.5% ±1.7 pts | 2.8% |
| Children under 18 below the poverty line | 1.4% ±2.3 pts | 0.8% |
| Households receiving SNAP | 1.4% ±1.5 pts | 3.4% |
| Households with a computer | 99.0% ±1.2 pts | 97.7% |
| Households with a broadband subscription | 97.5% ±1.9 pts | 94.7% |
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 1903.03?
Owners occupy 85.2% of Census Tract 1903.03's occupied homes and renters 14.8%. The median owner-occupied home is valued at $481,300 by its owner (±$46,271).
| Measure | Tract 1903.03 | Guilford |
|---|---|---|
| Median home value (owner-occupied) | $481,300 ±$46,271 | $515,800 |
| Median gross rent | $1,953 ±$1,581 | $1,717 |
| Renters paying 35% or more of income on rent | 10.5% ±14.4 pts | 37.9% |
| Median monthly owner costs, with a mortgage | $2,697 ±$746 | $2,960 |
| Owner-occupied homes | 85.2% ±8.0 pts | 83.7% |
| Renter-occupied homes | 14.8% ±8.0 pts | 16.3% |
| Housing units | 1,292 ±128 | 9,839 |
| Single-family detached homes | 85.0% ±5.9 pts | 84.4% |
| Mobile homes | 0.0% ±3.2 pts | 0.2% |
| Built 2020 or later | 0.7% ±1.1 pts | 0.5% |
| Built 2010 to 2019 | 1.5% ±1.7 pts | 3.9% |
| Built 1939 or earlier | 11.8% ±5.0 pts | 12.2% |
| Households with no vehicle | 0.0% ±3.4 pts | 3.0% |
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 1903.03 get to work?
73.0% of Census Tract 1903.03's workers drive alone and 23.2% work from home. The average trip to work takes 28.4 minutes. The unemployment rate in 2020-2024 averaged 3.9%.
| Measure | Tract 1903.03 | Guilford |
|---|---|---|
| In the labor force (age 16+) | 66.0% ±7.4 pts | 62.0% |
| Unemployment rate | 3.9% ±2.5 pts | 4.9% |
| Drove alone to work | 73.0% ±8.2 pts | 70.9% |
| Carpooled | 0.7% ±0.9 pts | 4.1% |
| Public transportation | 1.2% ±1.6 pts | 0.7% |
| Walked | 1.6% ±0.3 pts | 1.8% |
| Worked from home | 23.2% ±7.9 pts | 21.7% |
| Mean travel time to work | 28.4 min ±3.2 | 25.9 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 1903.03 compare with the other tracts in South Central Connecticut Planning Region?
Among South Central Connecticut Planning Region's tracts with a reliable estimate, Census Tract 1903.03 ranks as shown below (1 = highest).
| Measure | In South Central Connecticut Planning Region |
|---|---|
| Population | 99th of 135 |
| Residents per square mile | 135th of 135 |
| Median household income | 20th of 135 |
| Per capita income | 21st of 135 |
| Median home value | 20th of 126 |
| Bachelor's degree or higher | 35th of 135 |
| Median age | 29th of 135 |
| Owner-occupied share | 33rd of 130 |
The tracts next to it on South Central Connecticut Planning Region's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 1941.01 | 17th | $150,041±$22,337 · within the margin of this tract |
| Tract 1507 | 18th | $147,672±$34,833 · within the margin of this tract |
| Tract 1659 | 19th | $142,606±$17,821 · within the margin of this tract |
| Tract 1903.03 | 20th | $141,800±$44,166 |
| Tract 1845 | 21st | $140,313±$11,743 · within the margin of this tract |
| Tract 1506 | 22nd | $137,757±$23,557 · within the margin of this tract |
| Tract 1658.02 | 23rd | $136,786±$27,171 · 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 1903.03?
4 of the 18 figures for Census Tract 1903.03 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