PlainCities

Census tract · Western Connecticut Planning Region

Census Tract 104, Western Connecticut Planning Region, Connecticut

Census Tract 104, GEOID 09190010400, in Western Connecticut Planning Region, Connecticut, entirely within Greenwich. 5,481 residents in the ACS 2020-2024 5-year estimates (±713); the 2020 Census counted 5,716.

Residents, 2020-2024

5,481

±713 (90% margin)
2020 Census count: 5,716

Median household income

$151,198

±$24,682 (90% margin)
Western Connecticut Planning Region: $128,188

Median home value

$997,400

±$82,467 (90% margin)
Western Connecticut Planning Region: $652,900

Median gross rent

not published


Western Connecticut Planning Region: $2,110

Where is Census Tract 104?

Census Tract 104 is one of 146 census tracts in Western Connecticut Planning Region, Connecticut. It covers 1.04 square miles of land, 5,486 residents per square mile in 2020. Its GEOID, 09190010400, names it uniquely (how tract numbers and GEOIDs work).

Places Census Tract 104 lies in (share of its 2020 census blocks)
PlaceShare of the tract
Greenwich100%
Pemberwick74%
Glenville26%
Census Tract 104 (marked with a dot) in Western Connecticut Planning Region, Connecticut. Boundaries: Census Bureau 2024.
101.01103105 104 2 mi
Census Tract 104 (shaded) and the tracts that border it, numbered. Boundaries: Census Bureau 2024 cartographic boundary file, 1:500,000.

3 census tracts border Census Tract 104: Tract 101.01 ($250,000 or more), Tract 103 ($250,000 or more) and Tract 105 ($93,587). 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 104?

The 2020-2024 American Community Survey puts Census Tract 104's population at 5,481 (±713) in 2,061 households; the 2020 Census counted 5,716 residents and 2,396 housing units.

Counts, ACS 2020-2024 5-year estimates
Measure Tract 104GreenwichWestern Connecticut Planning RegionConnecticut
Total population 5,481 ±713 63,856 627,071 3,624,508
Households 2,061 ±195 23,094 235,379 1,434,007
Average household size 2.65 ±0.23 2.74 2.63 2.46
Housing units 2,264 ±214 25,613 251,530 1,541,822

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 104?

The median resident of Census Tract 104 is 44.1 years old; 20.1% are under 18 and 21.3% are 65 or older. The largest group is non-Hispanic white residents at 79.0%, then Hispanic or Latino residents (of any race) at 15.6%. 18.6% of residents were born outside the United States.

Age, origin, education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
Measure Tract 104GreenwichWestern Connecticut Planning RegionConnecticut
Median age 44.1 ±5.9 43.0 41.5 41.1
Under 18 years 20.1% ±4.5 pts 25.7% 21.8% 20.2%
65 years and over 21.3% ±4.4 pts 18.7% 17.4% 18.5%
Hispanic or Latino (any race) 15.6% ±9.3 pts 14.4% 20.5% 18.3%
White alone, not Hispanic 79.0% ±8.8 pts 68.5% 58.6% 61.9%
Black or African American alone, not Hispanic 0.1% ±0.2 pts 2.5% 9.3% 9.8%
Asian alone, not Hispanic 2.5% ±1.8 pts 7.0% 5.4% 4.7%
American Indian and Alaska Native alone, not Hispanic 0.0% ±0.8 pts 0.1% 0.1% 0.1%
Native Hawaiian and Other Pacific Islander alone, not Hispanic 0.0% ±0.8 pts 0.0% 0.0% 0.0%
Two or more races, not Hispanic 2.8% ±2.3 pts 5.5% 4.8% 4.3%
Some other race alone, not Hispanic 0.0% ±0.8 pts 2.0% 1.2% 0.9%
Born outside the United States 18.6% ±7.5 pts 22.5% 23.8% 15.7%
Speak a language other than English at home (age 5+) 20.2% ±8.5 pts 25.1% 29.7% 23.4%
Civilian veterans (age 18+) 2.6% ±1.7 pts 2.4% 3.1% 4.7%
With a disability 8.6% ±3.5 pts 6.2% 9.5% 12.2%
No health insurance coverage 7.8% ±7.2 pts 4.4% 7.2% 5.4%
High school graduate or higher (age 25+) 94.1% ±4.4 pts 96.0% 91.7% 91.5%
Bachelor's degree or higher (age 25+) 58.8% ±6.9 pts 72.5% 55.5% 42.5%
Graduate or professional degree (age 25+) 31.3% ±7.1 pts 38.2% 25.4% 19.2%
Lived in the same house a year earlier 87.2% ±7.7 pts 88.2% 89.2% 89.2%

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 104 earn?

Half of the 2,061 households in Census Tract 104 earn less than $151,198 a year (±$24,682), against $128,188 across Western Connecticut Planning Region: 61st highest of the county's 143 tracts with a reliable estimate. 8.9% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
Measure Tract 104GreenwichWestern Connecticut Planning RegionConnecticut
Median household income $151,198 ±$24,682 $206,130 $128,188 $95,781
Mean household income $226,734 ±$41,329 $376,402 $214,668 $138,744
Per capita income $93,015 ±$21,355 $137,685 $82,266 $55,915
People below the poverty line 8.9% ±5.6 pts 6.1% 7.5% 10.0%
Children under 18 below the poverty line 9.5% ±10.8 pts 7.1% 9.1% 13.0%
Households receiving SNAP 1.9% ±2.3 pts 3.4% 7.0% 11.8%
Households with a computer 96.6% ±3.9 pts 97.7% 96.6% 95.4%
Households with a broadband subscription 99.3% ±1.1 pts 96.1% 94.7% 92.2%

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 104?

Owners occupy 75.4% of Census Tract 104's occupied homes and renters 24.6%. The median owner-occupied home is valued at $997,400 by its owner (±$82,467).

Housing, ACS 2020-2024 5-year estimates
Measure Tract 104GreenwichWestern Connecticut Planning RegionConnecticut
Median home value (owner-occupied) $997,400 ±$82,467 $1,695,700 $652,900 $366,900
Renters paying 35% or more of income on rent 39.0% ±18.4 pts 46.3% 43.4% 43.5%
Median monthly owner costs, with a mortgage $3,547 ±$448 $4,000 or more $3,494 $2,429
Owner-occupied homes 75.4% ±7.5 pts 70.0% 66.4% 66.5%
Renter-occupied homes 24.6% ±7.5 pts 30.0% 33.6% 33.5%
Housing units 2,264 ±214 25,613 251,530 1,541,822
Single-family detached homes 56.3% ±7.6 pts 63.7% 57.3% 58.6%
Mobile homes 0.0% ±1.9 pts 0.0% 0.4% 0.7%
Built 2020 or later 1.6% ±1.9 pts 1.0% 1.0% 0.7%
Built 2010 to 2019 1.1% ±1.8 pts 5.5% 8.2% 4.5%
Built 1939 or earlier 18.8% ±7.5 pts 25.6% 16.3% 20.2%
Households with no vehicle 7.1% ±4.5 pts 4.0% 6.2% 8.8%

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 104 get to work?

57.4% of Census Tract 104's workers drive alone and 18.9% work from home. The average trip to work takes 26.6 minutes.

Work and commuting, ACS 2020-2024 5-year estimates
Measure Tract 104GreenwichWestern Connecticut Planning RegionConnecticut
In the labor force (age 16+) 69.5% ±4.9 pts 63.2% 68.3% 65.9%
Unemployment rate 3.9% ±3.0 pts 6.0% 5.3% 5.6%
Drove alone to work 57.4% ±7.6 pts 50.3% 59.3% 68.8%
Carpooled 6.6% ±7.0 pts 5.0% 8.1% 7.9%
Public transportation 13.2% ±5.8 pts 12.3% 7.0% 3.3%
Walked 0.3% ±0.5 pts 2.8% 2.5% 2.5%
Worked from home 18.9% ±6.9 pts 27.9% 21.5% 16.0%
Mean travel time to work 26.6 min ±4.8 29.6 min 30.8 min 26.5 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 104 compare with the other tracts in Western Connecticut Planning Region?

Among Western Connecticut Planning Region's tracts with a reliable estimate, Census Tract 104 ranks as shown below (1 = highest).

Census Tract 104's rank among the tracts of Western Connecticut Planning Region
MeasureIn Western Connecticut Planning Region
Population30th of 145
Residents per square mile42nd of 145
Median household income61st of 143
Per capita income47th of 145
Median home value32nd of 144
Poverty rate36th of 65
Bachelor's degree or higher69th of 144
Median age55th of 145
Owner-occupied share77th of 143

The tracts next to it on Western Connecticut Planning Region's income ladder

Median household income, ACS 2020-2024 5-year estimates
TractRankMedian household incomeResidents
Tract 20758th$160,833±$34,676 · within the margin of this tract3,597
Tract 250159th$159,365±$5,366 · within the margin of this tract1,658
Tract 230360th$154,734±$27,318 · within the margin of this tract3,391
Tract 10461st$151,198±$24,6825,481
Tract 45262nd$150,476±$71,027 · within the margin of this tract2,681
Tract 211363rd$148,525±$15,290 · within the margin of this tract3,735
Tract 43064th$148,462±$24,542 · within the margin of this tract3,086

"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 104?

2 of the 17 figures for Census Tract 104 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