Census tract · Capitol Planning Region
Census Tract 4001.01, Capitol Planning Region, Connecticut
Census Tract 4001.01, GEOID 09110400101, in Capitol Planning Region, Connecticut, entirely within Berlin. 2,845 residents in the ACS 2020-2024 5-year estimates (±411); the 2020 Census counted 2,928.
Residents, 2020-2024
2,845
±411 (90% margin)
2020 Census count: 2,928
Median household income
$83,977
±$26,558 (90% margin)
Capitol Planning Region: $93,394
Median home value
$368,000
±$39,503 (90% margin)
Capitol Planning Region: $323,700
Median gross rent
$1,458
±$181 (90% margin)
Capitol Planning Region: $1,411
Where is Census Tract 4001.01?
Census Tract 4001.01 is one of 249 census tracts in Capitol Planning Region, Connecticut. It covers 4.39 square miles of land, 667 residents per square mile in 2020. Its GEOID, 09110400101, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Berlin | 100% |
| Kensington | 4% |
8 census tracts border Census Tract 4001.01: Tract 4001.02 ($99,237), Tract 4002 ($147,353), Tract 4154 ($85,397), Tract 4903.03 ($116,765), Tract 4903.04 ($128,750), Tract 4942.01 ($103,233), Tract 4942.02 ($116,549) and Tract 5701 in Lower Connecticut River Valley Planning Region ($84,855). 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 4001.01?
The 2020-2024 American Community Survey puts Census Tract 4001.01's population at 2,845 (±411) in 1,359 households; the 2020 Census counted 2,928 residents and 1,436 housing units.
| Measure | Tract 4001.01 | Berlin |
|---|---|---|
| Total population | 2,845±411 | 20,361 |
| Households | 1,359±194 | 8,388 |
| Average household size | 2.09±0.29 | 2.42 |
| Housing units | 1,359±194 | 8,629 |
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 4001.01?
The median resident of Census Tract 4001.01 is 52.3 years old; 16.2% are under 18 and 32.0% are 65 or older. The largest group is non-Hispanic white residents at 85.3%, then non-Hispanic residents of two or more races at 4.4%. 13.4% of residents were born outside the United States.
| Measure | Tract 4001.01 | Berlin |
|---|---|---|
| Median age | 52.3±6.3 | 48.7 |
| Under 18 years | 16.2%±4.1 pts | 19.4% |
| 65 years and over | 32.0%±7.0 pts | 23.5% |
| Hispanic or Latino (any race) | 3.3%±2.6 pts | 7.2% |
| White alone, not Hispanic | 85.3%±6.1 pts | 84.2% |
| Black or African American alone, not Hispanic | 3.8%±3.2 pts | 1.1% |
| Asian alone, not Hispanic | 3.2%±2.7 pts | 3.3% |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±1.5 pts | 0.0% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±1.5 pts | 0.0% |
| Two or more races, not Hispanic | 4.4%±3.9 pts | 3.4% |
| Some other race alone, not Hispanic | 0.0%±1.5 pts | 0.7% |
| Born outside the United States | 13.4%±5.0 pts | 11.0% |
| Speak a language other than English at home (age 5+) | 20.6%±7.4 pts | 16.9% |
| Civilian veterans (age 18+) | 4.0%±2.9 pts | 3.4% |
| With a disability | 16.8%±5.5 pts | 11.1% |
| No health insurance coverage | 1.8%±1.9 pts | 2.3% |
| High school graduate or higher (age 25+) | 89.1%±4.8 pts | 92.3% |
| Bachelor's degree or higher (age 25+) | 41.4%±9.6 pts | 44.9% |
| Graduate or professional degree (age 25+) | 22.1%±10.2 pts | 19.5% |
| Lived in the same house a year earlier | 94.0%±4.0 pts | 94.7% |
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 4001.01 earn?
Half of the 1,359 households in Census Tract 4001.01 earn less than $83,977 a year (±$26,558), against $93,394 across Capitol Planning Region: 148th highest of the county's 236 tracts with a reliable estimate.
| Measure | Tract 4001.01 | Berlin |
|---|---|---|
| Median household income | $83,977±$26,558 | $113,598 |
| Mean household income | $103,194±$16,946 | $137,557 |
| Per capita income | $49,588±$7,979 | $56,362 |
| People below the poverty line | 3.6%±2.7 pts | 3.4% |
| Children under 18 below the poverty line | 0.0%±8.8 pts | 2.5% |
| Households receiving SNAP | 6.5%±4.8 pts | 5.0% |
| Households with a computer | 95.0%±4.5 pts | 95.9% |
| Households with a broadband subscription | 92.1%±5.6 pts | 93.9% |
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 4001.01?
Owners occupy 62.9% of Census Tract 4001.01's occupied homes and renters 37.1%. The median owner-occupied home is valued at $368,000 by its owner (±$39,503). The median renter pays $1,458 a month including utilities, and 58.4% of renters pay 35% or more of their income on rent.
| Measure | Tract 4001.01 | Berlin |
|---|---|---|
| Median home value (owner-occupied) | $368,000±$39,503 | $374,600 |
| Median gross rent | $1,458±$181 | $1,402 |
| Renters paying 35% or more of income on rent | 58.4%±16.2 pts | 56.8% |
| Median monthly owner costs, with a mortgage | $2,563±$463 | $2,412 |
| Owner-occupied homes | 62.9%±9.8 pts | 82.6% |
| Renter-occupied homes | 37.1%±9.8 pts | 17.4% |
| Housing units | 1,359±194 | 8,629 |
| Single-family detached homes | 60.4%±9.3 pts | 79.2% |
| Mobile homes | 1.6%±2.5 pts | 0.3% |
| Built 2020 or later | 0.0%±3.1 pts | 0.2% |
| Built 2010 to 2019 | 11.8%±6.1 pts | 4.6% |
| Built 1939 or earlier | 11.1%±11.1 pts | 11.1% |
| Households with no vehicle | 6.0%±4.9 pts | 3.3% |
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 4001.01 get to work?
86.5% of Census Tract 4001.01's workers drive alone and 10.0% work from home. The average trip to work takes 21.6 minutes.
| Measure | Tract 4001.01 | Berlin |
|---|---|---|
| In the labor force (age 16+) | 50.3%±6.5 pts | 66.8% |
| Unemployment rate | 1.9%±2.3 pts | 2.0% |
| Drove alone to work | 86.5%±5.0 pts | 80.8% |
| Carpooled | 2.5%±3.1 pts | 2.7% |
| Public transportation | 1.0%±1.7 pts | 0.5% |
| Walked | 0.0%±3.5 pts | 0.6% |
| Worked from home | 10.0%±4.5 pts | 14.4% |
| Mean travel time to work | 21.6 min±3.9 | 21.0 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 4001.01 compare with the other tracts in Capitol Planning Region?
Among Capitol Planning Region's tracts with a reliable estimate, Census Tract 4001.01 ranks as shown below (1 = highest).
| Measure | In Capitol Planning Region |
|---|---|
| Population | 193rd of 246 |
| Residents per square mile | 197th of 249 |
| Median household income | 148th of 236 |
| Per capita income | 121st of 244 |
| Median home value | 66th of 230 |
| Median gross rent | 103rd of 216 |
| Bachelor's degree or higher | 110th of 232 |
| Median age | 3rd of 246 |
| Owner-occupied share | 149th of 227 |
The tracts next to it on Capitol Planning Region's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 4154 | 145th | $85,397±$11,935 · within the margin of this tract |
| Tract 5142 | 146th | $84,668±$7,499 · within the margin of this tract |
| Tract 4206.02 | 147th | $84,259±$16,739 · within the margin of this tract |
| Tract 4001.01 | 148th | $83,977±$26,558 |
| Tract 5108 | 149th | $83,676±$9,804 · within the margin of this tract |
| Tract 5301 | 150th | $82,188±$17,065 · within the margin of this tract |
| Tract 5040 | 151st | $81,723±$11,258 · 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 4001.01?
4 of the 18 figures for Census Tract 4001.01 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