Census-designated place · Connecticut
Northwest Harwinton, Connecticut
Northwest Harwinton, census-designated place, in Northwest Hills Planning Region, Connecticut. Northwest Harwinton had 3,158 residents in the 2020 Census, a full count; the ACS 2020-2024 5-year estimates put it at 3,088 (±280). GEOID 0955725.
Residents, 2020 Census
3,158
Census count or controlled total
ACS 2020-2024 estimate: 3,088 ±280
Median household income
$109,458
±$12,700 (90% margin)
Connecticut: $95,781
Median home value
$330,500
±$20,431 (90% margin)
Connecticut: $366,900
Median gross rent
$1,446
±$154 (90% margin)
Connecticut: $1,488
Where is Northwest Harwinton and what county is it in?
Northwest Harwinton is a census-designated place: an unincorporated community the Census Bureau draws for counting, with no city government of its own, in Northwest Hills Planning Region, Connecticut. It covers 8.7 square miles of land, 363 residents per square mile in 2020.
Northwest Harwinton is in the Torrington, CT micropolitan statistical area (Census Bureau delineation, July 2023).
Northwest Harwinton lies entirely within Harwinton, 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 Northwest Harwinton, and is it growing?
The 2020 Census counted 3,158 residents in Northwest Harwinton, a full count rather than a sample. The 2020-2024 American Community Survey, a sample, estimates 3,088 (±280).
The Census Bureau publishes yearly population estimates for incorporated places only; Northwest Harwinton is a census-designated place, so its figures come from the ACS and the 2020 Census.
| Measure | Northwest Harwinton | Northwest Hills Planning Region | Change since 2015-2019 |
|---|---|---|---|
| Total population | 3,088 ±280 | 113,216 | no clear change |
| Households | 1,312 ±152 | 47,845 | no clear change |
| Average household size | 2.34 ±0.20 | 2.32 | −0.28 |
| Housing units | 1,378 ±169 | 55,752 | no clear change |
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 Northwest Harwinton?
The median resident of Northwest Harwinton is 46.0 years old; 24.5% are under 18 and 23.6% are 65 or older. The largest group is non-Hispanic white residents at 86.1%, then Hispanic or Latino residents (of any race) at 7.2%. 6.0% of residents were born outside the United States.
| Measure | Northwest Harwinton | Northwest Hills Planning Region | Change since 2015-2019 |
|---|---|---|---|
| Median age | 46.0 ±5.9 | 47.1 | no clear change |
| Under 18 years | 24.5% ±5.9 pts | 17.8% | – |
| 65 years and over | 23.6% ±4.2 pts | 23.1% | – |
| Male | 54.0% ±4.6 pts | 49.9% | – |
| Hispanic or Latino (any race) | 7.2% ±4.3 pts | 8.9% | – |
| White alone, not Hispanic | 86.1% ±6.2 pts | 81.8% | −9.4 pts |
| Black or African American alone, not Hispanic | 0.0% ±1.4 pts | 2.4% | – |
| Asian alone, not Hispanic | 0.1% ±0.5 pts | 2.1% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±1.4 pts | 0.0% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±1.4 pts | 0.0% | – |
| Two or more races, not Hispanic | 6.5% ±5.1 pts | 4.2% | – |
| Some other race alone, not Hispanic | 0.0% ±1.4 pts | 0.6% | – |
| Born outside the United States | 6.0% ±3.8 pts | 9.5% | no clear change |
| Speak a language other than English at home (age 5+) | 7.7% ±4.2 pts | 11.4% | – |
| Civilian veterans (age 18+) | 6.3% ±3.1 pts | 5.8% | – |
| With a disability | 11.9% ±3.4 pts | 12.3% | – |
| No health insurance coverage | 3.1% ±2.6 pts | 3.9% | – |
| High school graduate or higher (age 25+) | 96.9% ±1.8 pts | 94.2% | – |
| Bachelor's degree or higher (age 25+) | 39.7% ±7.9 pts | 39.4% | no clear change |
| Graduate or professional degree (age 25+) | 20.8% ±5.5 pts | 17.0% | – |
| Lived in the same house a year earlier | 88.9% ±5.2 pts | 90.7% | – |
| Moved from another state in the past year | 0.3% ±0.4 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 Northwest Harwinton earn?
Half of Northwest Harwinton's 1,312 households earn less than $109,458 a year (±$12,700), against $93,551 in Northwest Hills Planning Region and $95,781 in Connecticut. In 2015-2019 it was $130,967 in 2024 dollars; the margins of error cannot tell the two periods apart.
| Measure | Northwest Harwinton | Northwest Hills Planning Region | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $109,458 ±$12,700 | $93,551 | no clear change |
| Mean household income | $129,484 ±$17,484 | $131,679 | – |
| Per capita income | $54,067 ±$7,733 | $56,236 | no clear change |
| People below the poverty line | 5.8% ±4.0 pts | 8.8% | – |
| Children under 18 below the poverty line | 7.8% ±8.8 pts | 9.2% | – |
| Households receiving SNAP | 4.9% ±3.6 pts | 8.6% | – |
| Households with a computer | 94.4% ±3.5 pts | 95.7% | – |
| Households with a broadband subscription | 93.6% ±3.7 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 Northwest Harwinton?
Owners occupy 90.9% of Northwest Harwinton's occupied homes and renters 9.1%. The median owner-occupied home is valued at $330,500 by its owner (±$20,431). The median renter pays $1,446 a month including utilities.
| Measure | Northwest Harwinton | Northwest Hills Planning Region | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $330,500 ±$20,431 | $335,600 | no clear change |
| Median gross rent | $1,446 ±$154 | $1,193 | – |
| Renters paying 35% or more of income on rent | 29.8% ±30.2 pts | 36.8% | – |
| Median monthly owner costs, with a mortgage | $1,898 ±$189 | $2,155 | – |
| Owner-occupied homes | 90.9% ±4.5 pts | 76.3% | no clear change |
| Renter-occupied homes | 9.1% ±4.5 pts | 23.7% | – |
| Housing units | 1,378 ±169 | 55,752 | no clear change |
| Homeowner vacancy rate | 0.0% ±3.4 pts | 0.8% | – |
| Rental vacancy rate | 0.0% ±29.2 pts | 3.1% | – |
| Single-family detached homes | 92.7% ±4.5 pts | 75.4% | – |
| Mobile homes | 0.0% ±3.0 pts | 0.4% | – |
| Built 2020 or later | 0.6% ±0.9 pts | 0.8% | – |
| Built 2010 to 2019 | 0.0% ±3.0 pts | 2.3% | – |
| Built 1939 or earlier | 11.5% ±5.1 pts | 26.9% | – |
| Households with no vehicle | 5.0% ±4.1 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 do people in Northwest Harwinton work and get to work?
81.9% of Northwest Harwinton's workers drive alone and 11.9% work from home. The average trip to work takes 30.6 minutes. The unemployment rate in 2020-2024 averaged 4.1%.
| Measure | Northwest Harwinton | Northwest Hills Planning Region | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 66.7% ±5.5 pts | 64.7% | – |
| Unemployment rate | 4.1% ±2.4 pts | 5.4% | no clear change |
| Drove alone to work | 81.9% ±7.6 pts | 71.5% | – |
| Carpooled | 3.0% ±2.3 pts | 7.2% | – |
| Public transportation | 0.0% ±2.8 pts | 1.1% | – |
| Walked | 0.0% ±2.8 pts | 3.8% | – |
| Worked from home | 11.9% ±6.8 pts | 15.2% | no clear change |
| Mean travel time to work | 30.6 min ±6.8 | 26.9 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 Northwest Harwinton?
1 census tract lies mostly in Northwest Harwinton, and 1 more reaches into it (2020 census blocks).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 2983Northwest Hills Planning Region | 2,732 | $108,662 |
| Tract 2984Northwest Hills Planning Region | 2,843 | $162,813 |
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 Northwest Harwinton) · Census block assignment files
How does Northwest Harwinton compare with other places in Connecticut?
Northwest Harwinton ranks 142nd of 294 places in Connecticut with 1,000 or more residents and a reliable estimate, by median household income.
| Measure | Rank | Of |
|---|---|---|
| Population (ACS 2020-2024) | 215th | 303 |
| Residents per square mile | 223rd | 303 |
| Median household income | 142nd | 294 |
| Per capita income | 177th | 303 |
| Median home value | 196th | 300 |
| Median gross rent | 141st | 266 |
| Bachelor's degree or higher | 201st | 297 |
| Median age | 125th | 301 |
| Owner-occupied share | 46th | 300 |
| Work from home | 215th | 279 |
| Travel time to work | 86th | 302 |
Northwest Harwinton's figures with every place in Connecticut (CSV)
Every place in Connecticut, sortable · Compare Northwest 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 Northwest Harwinton?
21 of the 57 figures for Northwest 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 Northwest 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.