Borough · Connecticut
Stonington borough, Connecticut
Stonington borough, borough, in Southeastern Connecticut Planning Region, Connecticut. Stonington borough had 1,017 residents on July 1, 2025 by the Census Bureau's estimate, up 2.2% since 2020; the 2020 Census counted 976 and the ACS 2020-2024 5-year estimates put it at 934 (±164). GEOID 0973700.
Residents, July 2025 estimate
1,017
Census Bureau estimate (no margin published)
2020 Census count: 976 · ACS 2020-2024: 934 ±164
Median household income
$109,167
±$23,377 (90% margin)
Connecticut: $95,781
Median home value
$879,800
±$90,408 (90% margin)
Connecticut: $366,900
Median gross rent
$1,488
±$163 (90% margin)
Connecticut: $1,488
Where is Stonington borough and what county is it in?
Stonington borough is a borough in Southeastern Connecticut Planning Region, Connecticut. It covers 0.3 square miles of land, 2,862 residents per square mile in 2020.
Stonington borough is in the Norwich-New London-Willimantic, CT metropolitan statistical area (Census Bureau delineation, July 2023).
Stonington borough lies entirely within Stonington, a town with its own local government (2020 census blocks).
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Stonington borough, and is it growing?
The Census Bureau estimates that 1,017 people lived in Stonington borough on July 1, 2025, up 2.2% since 2020, in line with Connecticut (+2.2%). The 2020 Census counted 976 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 934 (±164).
| Measure | Stonington borough | Southeastern Connecticut Planning Region | Change since 2015-2019 |
|---|---|---|---|
| Total population | 934 ±164 | 279,971 | no clear change |
| Households | 564 ±82 | 115,768 | no clear change |
| Average household size | 1.66 ±0.18 | 2.32 | no clear change |
| Housing units | 803 ±101 | 126,425 | no clear change |
Stonington borough's population since 2000
From 1,032 in 2000 to 1,017 in 2025: down 1.5%. The 2000, 2010 and 2020 figures are census counts, each for Stonington borough as it was drawn that year: a place that annexed land, or a community that has since incorporated, covered a different area then. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Stonington borough?
The median resident of Stonington borough is 63.1 years old. The largest group is non-Hispanic white residents at 87.5%, then Hispanic or Latino residents (of any race) at 8.6%. 7.0% of residents were born outside the United States.
| Measure | Stonington borough | Southeastern Connecticut Planning Region | Change since 2015-2019 |
|---|---|---|---|
| Median age | 63.1 ±3.4 | 41.1 | no clear change |
| Under 18 years | 10.9% ±8.6 pts | 19.3% | – |
| 65 years and over | 46.0% ±8.8 pts | 19.5% | – |
| Male | 47.6% ±5.6 pts | 50.0% | – |
| Hispanic or Latino (any race) | 8.6% ±8.4 pts | 15.0% | – |
| White alone, not Hispanic | 87.5% ±8.6 pts | 70.6% | no clear change |
| Black or African American alone, not Hispanic | 0.0% ±4.4 pts | 4.9% | – |
| Asian alone, not Hispanic | 0.9% ±1.0 pts | 3.7% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.3% ±0.5 pts | 0.3% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±4.4 pts | 0.0% | – |
| Two or more races, not Hispanic | 2.4% ±1.9 pts | 4.8% | – |
| Some other race alone, not Hispanic | 0.4% ±0.6 pts | 0.6% | – |
| Born outside the United States | 7.0% ±3.5 pts | 8.8% | no clear change |
| Speak a language other than English at home (age 5+) | 5.2% ±2.3 pts | 15.3% | – |
| Civilian veterans (age 18+) | 5.7% ±2.4 pts | 8.0% | – |
| With a disability | 12.4% ±4.5 pts | 14.8% | – |
| No health insurance coverage | 1.9% ±2.0 pts | 4.7% | – |
| High school graduate or higher (age 25+) | 99.5% ±0.7 pts | 92.8% | – |
| Bachelor's degree or higher (age 25+) | 76.0% ±5.8 pts | 35.8% | +17.4 pts |
| Graduate or professional degree (age 25+) | 43.0% ±6.1 pts | 16.0% | – |
| Lived in the same house a year earlier | 85.3% ±4.9 pts | 88.1% | – |
| Moved from another state in the past year | 5.8% ±3.3 pts | 3.3% | – |
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 Stonington borough earn?
Half of Stonington borough's 564 households earn less than $109,167 a year (±$23,377), against $86,586 in Southeastern Connecticut Planning Region and $95,781 in Connecticut. In 2015-2019 it was $101,058 in 2024 dollars; the margins of error cannot tell the two periods apart. 5.1% of residents live below the poverty line.
| Measure | Stonington borough | Southeastern Connecticut Planning Region | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $109,167 ±$23,377 | $86,586 | no clear change |
| Mean household income | $218,065 ±$41,398 | $111,769 | – |
| Per capita income | $135,555 ±$28,893 | $47,133 | +$40,459 |
| People below the poverty line | 5.1% ±3.3 pts | 10.7% | no clear change |
| Children under 18 below the poverty line | 0.0% ±32.7 pts | 15.1% | – |
| Households receiving SNAP | 1.6% ±1.6 pts | 12.4% | – |
| Households with a computer | 98.8% ±1.4 pts | 95.2% | – |
| Households with a broadband subscription | 91.5% ±5.2 pts | 91.6% | – |
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 Stonington borough?
Owners occupy 61.9% of Stonington borough's occupied homes and renters 38.1%. The median owner-occupied home is valued at $879,800 by its owner (±$90,408). The median renter pays $1,488 a month including utilities, and 33.2% of renters pay 35% or more of their income on rent.
| Measure | Stonington borough | Southeastern Connecticut Planning Region | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $879,800 ±$90,408 | $323,400 | +$152,583 |
| Median gross rent | $1,488 ±$163 | $1,365 | −$257 |
| Renters paying 35% or more of income on rent | 33.2% ±14.6 pts | 40.7% | no clear change |
| Median monthly owner costs, with a mortgage | $3,697 ±$770 | $2,140 | – |
| Owner-occupied homes | 61.9% ±7.8 pts | 65.1% | no clear change |
| Renter-occupied homes | 38.1% ±7.8 pts | 34.9% | – |
| Housing units | 803 ±101 | 126,425 | no clear change |
| Homeowner vacancy rate | 0.0% ±11.5 pts | 0.6% | – |
| Rental vacancy rate | 10.8% ±10.7 pts | 4.4% | – |
| Single-family detached homes | 45.1% ±6.4 pts | 61.1% | – |
| Mobile homes | 0.5% ±0.7 pts | 2.3% | – |
| Built 2020 or later | 0.0% ±5.2 pts | 0.8% | – |
| Built 2010 to 2019 | 1.2% ±1.1 pts | 4.0% | – |
| Built 1939 or earlier | 76.8% ±4.9 pts | 23.6% | – |
| Households with no vehicle | 2.0% ±1.6 pts | 7.4% | – |
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 many new homes is Stonington borough building?
Stonington borough last reported building permits to the Census Bureau for 2021.
Counts of units in permits a local office issued; not every permitted unit is built. A year marked with months was reported for part of the year.
Source: Building Permits Survey, annual place files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Stonington borough work and get to work?
68.1% of Stonington borough's workers drive alone and 25.5% work from home. The average trip to work takes 29.3 minutes.
| Measure | Stonington borough | Southeastern Connecticut Planning Region | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 53.0% ±6.6 pts | 64.0% | – |
| Unemployment rate | 5.4% ±5.0 pts | 5.0% | – |
| Drove alone to work | 68.1% ±8.4 pts | 75.5% | – |
| Carpooled | 2.3% ±2.2 pts | 7.0% | – |
| Public transportation | 0.7% ±1.2 pts | 1.4% | – |
| Walked | 3.5% ±2.6 pts | 2.9% | – |
| Worked from home | 25.5% ±8.1 pts | 11.7% | no clear change |
| Mean travel time to work | 29.3 min ±5.5 | 23.9 min | no clear change |
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 census tracts are in Stonington borough?
No census tract lies mostly in Stonington borough; 1 tract reaches into it (2020 census blocks).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 7052Southeastern Connecticut Planning Region | 3,612 | $120,182 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Stonington borough) · Census block assignment files
How does Stonington borough compare with other places in Connecticut?
By the Census Bureau's July 2025 estimates, Stonington borough is the 10,190th-most populous of the 19,476 U.S. incorporated places that have one and the 27th-most populous of 30 in Connecticut.
Stonington borough is not ranked by income or the other survey measures: those rankings include places of 1,000 or more residents (2020 Census) with a reliable estimate.
| Measure | Rank | Of |
|---|---|---|
| Population, July 2025 estimate | 27th | 30 |
Stonington borough's figures with every place in Connecticut (CSV)
Every place in Connecticut, sortable · Compare Stonington borough with other places
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How reliable are the figures for Stonington borough?
21 of the 57 figures for Stonington borough 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.
The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. 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 · ACS technical documentation
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Stonington borough are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' public schools in Stonington.