Town · Connecticut
Harwinton, Connecticut
Harwinton, town, in Northwest Hills Planning Region, Connecticut. Harwinton had 5,751 residents on July 1, 2025 by the Census Bureau's estimate, up 4.9% since 2020; the 2020 Census counted 5,484 and the ACS 2020-2024 5-year estimates put it at 5,575 (±19). GEOID 0916037280.
Residents, July 2025 estimate
5,751
Census Bureau estimate (no margin published)
2020 Census count: 5,484 · ACS 2020-2024: 5,575 ±19
Median household income
$129,643
±$17,970 (90% margin)
Connecticut: $95,781
Median home value
$352,100
±$16,358 (90% margin)
Connecticut: $366,900
Median gross rent
$1,504
±$200 (90% margin)
Connecticut: $1,488
Where is Harwinton and what county is it in?
Harwinton is a town in Northwest Hills Planning Region, Connecticut. It covers 30.8 square miles of land, 178 residents per square mile in 2020.
One place lies inside Harwinton: Northwest Harwinton (CDP, 3,158 in 2020).
Harwinton is in the Torrington, CT micropolitan statistical area (Census Bureau delineation, July 2023).
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Harwinton, and is it growing?
The Census Bureau estimates that 5,751 people lived in Harwinton on July 1, 2025, up 4.9% since 2020, faster than Connecticut (+2.2%). The 2020 Census counted 5,484 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 5,575 (±19).
| Measure | Harwinton | Northwest Hills Planning Region | Change since 2015-2019 |
|---|---|---|---|
| Total population | 5,575±19 | 113,216 | – |
| Households | 2,146±161 | 47,845 | – |
| Average household size | 2.58±0.19 | 2.32 | – |
| Housing units | 2,273±177 | 55,752 | – |
Harwinton's population since 2000
From 5,283 in 2000 to 5,751 in 2025: up 8.9%. The 2000, 2010 and 2020 figures are census counts, each for Harwinton 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 Harwinton?
The median resident of Harwinton is 46.1 years old; 20.0% are under 18 and 22.1% are 65 or older. The largest group is non-Hispanic white residents at 89.9%, then Hispanic or Latino residents (of any race) at 5.6%. 6.0% of residents were born outside the United States.
| Measure | Harwinton | Northwest Hills Planning Region | Change since 2015-2019 |
|---|---|---|---|
| Median age | 46.1±4.3 | 47.1 | – |
| Under 18 years | 20.0%±3.6 pts | 17.8% | – |
| 65 years and over | 22.1%±3.1 pts | 23.1% | – |
| Male | 52.5%±3.5 pts | 49.9% | – |
| Hispanic or Latino (any race) | 5.6%±2.9 pts | 8.9% | – |
| White alone, not Hispanic | 89.9%±4.0 pts | 81.8% | – |
| Black or African American alone, not Hispanic | 0.1%±0.2 pts | 2.4% | – |
| Asian alone, not Hispanic | 0.3%±0.4 pts | 2.1% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±0.8 pts | 0.0% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.8 pts | 0.0% | – |
| Two or more races, not Hispanic | 4.0%±2.9 pts | 4.2% | – |
| Some other race alone, not Hispanic | 0.0%±0.8 pts | 0.6% | – |
| Born outside the United States | 6.0%±3.1 pts | 9.5% | – |
| Speak a language other than English at home (age 5+) | 6.4%±2.8 pts | 11.4% | – |
| Civilian veterans (age 18+) | 5.6%±1.9 pts | 5.8% | – |
| With a disability | 11.0%±2.6 pts | 12.3% | – |
| No health insurance coverage | 2.5%±1.6 pts | 3.9% | – |
| High school graduate or higher (age 25+) | 97.7%±1.2 pts | 94.2% | – |
| Bachelor's degree or higher (age 25+) | 40.3%±6.8 pts | 39.4% | – |
| Graduate or professional degree (age 25+) | 19.2%±4.4 pts | 17.0% | – |
| Lived in the same house a year earlier | 90.8%±4.3 pts | 90.7% | – |
| Moved from another state in the past year | 0.2%±0.3 pts | 1.9% | – |
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 Harwinton earn?
Half of Harwinton's 2,146 households earn less than $129,643 a year (±$17,970), against $93,551 in Northwest Hills Planning Region and $95,781 in Connecticut. 4.8% of residents live below the poverty line.
| Measure | Harwinton | Northwest Hills Planning Region | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $129,643±$17,970 | $93,551 | – |
| Mean household income | $148,033±$13,718 | $131,679 | – |
| Per capita income | $57,477±$5,782 | $56,236 | – |
| People below the poverty line | 4.8%±2.8 pts | 8.8% | – |
| Children under 18 below the poverty line | 5.3%±6.1 pts | 9.2% | – |
| Households receiving SNAP | 4.5%±2.3 pts | 8.6% | – |
| Households with a computer | 96.6%±2.1 pts | 95.7% | – |
| Households with a broadband subscription | 96.1%±2.3 pts | 93.4% | – |
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 Harwinton?
Owners occupy 93.0% of Harwinton's occupied homes and renters 7.0%. The median owner-occupied home is valued at $352,100 by its owner (±$16,358). The median renter pays $1,504 a month including utilities.
| Measure | Harwinton | Northwest Hills Planning Region | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $352,100±$16,358 | $335,600 | – |
| Median gross rent | $1,504±$200 | $1,193 | – |
| Renters paying 35% or more of income on rent | 27.0%±25.4 pts | 36.8% | – |
| Median monthly owner costs, with a mortgage | $2,013±$165 | $2,155 | – |
| Owner-occupied homes | 93.0%±3.1 pts | 76.3% | – |
| Renter-occupied homes | 7.0%±3.1 pts | 23.7% | – |
| Housing units | 2,273±177 | 55,752 | – |
| Homeowner vacancy rate | 0.0%±2.1 pts | 0.8% | – |
| Rental vacancy rate | 0.0%±24.2 pts | 3.1% | – |
| Single-family detached homes | 95.6%±2.8 pts | 75.4% | – |
| Mobile homes | 0.0%±1.8 pts | 0.4% | – |
| Built 2020 or later | 1.4%±1.3 pts | 0.8% | – |
| Built 2010 to 2019 | 0.8%±0.9 pts | 2.3% | – |
| Built 1939 or earlier | 13.1%±4.6 pts | 26.9% | – |
| Households with no vehicle | 5.3%±3.1 pts | 5.4% | – |
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 Harwinton building?
Builders took permits for 20 new housing units in Harwinton in 2025 (11 in single-family houses), 3.5 per 1,000 residents against 2.0 across Connecticut.
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 Harwinton work and get to work?
78.7% of Harwinton's workers drive alone and 13.5% work from home. The average trip to work takes 25.6 minutes. The unemployment rate in 2020-2024 averaged 4.0%.
| Measure | Harwinton | Northwest Hills Planning Region | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 69.5%±4.4 pts | 64.7% | – |
| Unemployment rate | 4.0%±1.9 pts | 5.4% | – |
| Drove alone to work | 78.7%±5.6 pts | 71.5% | – |
| Carpooled | 3.3%±2.7 pts | 7.2% | – |
| Public transportation | 0.0%±1.4 pts | 1.1% | – |
| Walked | 1.5%±2.5 pts | 3.8% | – |
| Worked from home | 13.5%±4.6 pts | 15.2% | – |
| Mean travel time to work | 25.6 min±4.4 | 26.9 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
What census tracts are in Harwinton?
2 census tracts lie mostly in Harwinton (2020 census blocks). Their median household incomes run from $108,662 (Tract 2983) to $162,813 (Tract 2984).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 2984Northwest Hills Planning Region | 2,843 | $162,813 |
| Tract 2983Northwest Hills Planning Region | 2,732 | $108,662 |
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 Harwinton) · Census block assignment files
How does Harwinton compare with other places in Connecticut?
By the Census Bureau's July 2025 estimates, Harwinton is the 2,059th-most populous of the 16,079 U.S. towns and townships that have one and the 97th-most populous of 142 in Connecticut.
Harwinton ranks 91st of 294 places in Connecticut with 1,000 or more residents and a reliable estimate, by median household income.
| Measure | Rank | Of |
|---|---|---|
| Population, July 2025 estimate | 97th | 142 |
| Growth 2020-2025 (PEP) | 16th | 167 |
| Residents per square mile | 263rd | 303 |
| Median household income | 91st | 294 |
| Per capita income | 154th | 303 |
| Median home value | 175th | 300 |
| Median gross rent | 123rd | 266 |
| Poverty rate | 141st | 202 |
| Bachelor's degree or higher | 191st | 297 |
| Median age | 124th | 301 |
| Owner-occupied share | 26th | 300 |
| Work from home | 194th | 279 |
| Travel time to work | 185th | 302 |
Harwinton's figures with every place in Connecticut (CSV)
Every place in Connecticut, sortable · Compare Harwinton 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 Harwinton?
17 of the 57 figures for Harwinton 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 Harwinton 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' school search.