The Town Files

Northwest Harwinton, Connecticut

Community · population 3,158 (2020 Census)

Map: where Northwest Harwinton is in ConnecticutNorthwest Harwinton
Median home
$330,500
Household income
$109,458
Jan low / Jul high
15° / 82°
Snow a year
59 in
Tornadoes ≤10 mi since 1950
14
Median age
46.0

Northwest Harwinton is a community of 3,158 people, Connecticut. The median home is worth $330,500, below the typical Connecticut town ($376,000). It ranks better for first-time buyers than 98% of Connecticut towns, easier by car than 98% of Connecticut towns, quieter than 75% of Connecticut towns.

Northwest Harwinton in our rankings:

How Northwest Harwinton ranks

Percentile among Connecticut towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of Connecticut towns.

Northwest Harwinton lifestyle rankings vs other Connecticut townsRetirement32nd pctFamilies68th pctQuiet75th pctWalkability34th pctFirst-time buyers98th pctYoung professionals3rd pctVibrancy14th pctHip & trendy33rd pctCollege town37th pctUpscale35th pctVacation homesbottomSeaside characterbottomCyclingbottomTransitbottomDriving98th pcttypical
The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025).

Homes and cost of living

The median home in Northwest Harwinton is worth $330,500, below the typical Connecticut town ($376,000). Homes cost about 3.0 times the median household income of $109,458, which is more affordable than 80% of Connecticut towns. Median rent is $1,446 a month. 90.9% of households own their home.

Northwest Harwinton vs county vs typical Connecticut townNorthwest HarwintonCountyTypical Connecticut townHome value$330,500$376,000Household income$109,458$109,167Monthly rent$1,446$1,462
Census ACS 5-year estimates, 2020–2024. "Typical town" = median of Connecticut towns with 500+ people.
HousingNorthwest HarwintonTypical Connecticut town
Median home value$330,500$376,000
Median rent$1,446$1,462
Median household income$109,458$109,167
Home value ÷ income3.0×3.6×
Homeownership90.9%80.3%
Median year built19601969
Seasonal / vacation homes0.7%—

Who lives in Northwest Harwinton

PeopleNorthwest HarwintonTypical Connecticut town
Median age46.045.0
Age 65 and over23.6%20.6%
Under 1824.5%—
Bachelor's degree or higher39.7%45.8%
Below the poverty line5.8%5.7%
Veterans6.3%—
Born outside the U.S.6.0%—
Work from home11.9%16.8%
Average commute30.6 min27.6 min
Homes with broadband93.6%93.8%

Weather in Northwest Harwinton

July highs average 81.7°F and January lows 14.7°F. About 54.2 inches of rain and melted snow fall a year, with 59.1 inches of snow (typical Connecticut town: 39.0 in). Expect about 7 days a year at 90°F or hotter and 158 nights at or below freezing.

Northwest Harwinton monthly temperatures and precipitation10°20°30°40°50°60°70°80°90°32° freezing33°15°Jan37°16°Feb45°23°Mar59°33°Apr69°44°May77°53°Jun82°58°Jul80°56°Aug72°49°Sep60°38°Oct49°29°Nov38°21°DecPrecipitation (in) · snow (in) in blue3.913.13.515.84.612.74.32.64.14.94.34.85.05.40.34.22.65.012.0
NOAA 1991–2020 climate normals: average daily high and low by month; precipitation and snowfall in inches. Temperatures from the Bakersville station (5.8 mi away).

Tornadoes, storms and disasters

14 tornadoes have passed within 10 miles of Northwest Harwinton since 1950, compared with 8 for the typical Connecticut town. 5 rated (E)F2 or stronger. The strongest, an F2, struck on June 23, 2001 about 2.5 miles from the town center. The most recent was on June 21, 2024.

Tornadoes within 10 miles of Northwest Harwinton by decade11950s11960s31970s21980s01990s12000s52010s12020s
NOAA Storm Events Database, tornado tracks (start to end point) passing within 10 miles of the town center, 1950–2026.

Hail of 1 inch or larger has been reported within 10 miles 43 times; the largest was 3.00 inches on July 4, 2026.

Towns near Northwest Harwinton

Northwest Harwinton questions

Is Northwest Harwinton, Connecticut a good place to retire?

On The Town Files lifestyle rankings, Northwest Harwinton scores better for retirees than 32% of Connecticut towns and quieter than 75%. 23.6% of residents are 65 or older (median age 46.0).

How much does a house cost in Northwest Harwinton?

The median owner-occupied home in Northwest Harwinton is valued at $330,500 (Census ACS 2020–2024), against a median household income of $109,458, so homes cost about 3.0 times income. Median rent is $1,446 a month.

What is the weather like in Northwest Harwinton?

July highs average 81.7°F and January lows 14.7°F (NOAA 1991–2020 normals). It gets about 54.2 inches of precipitation a year and 59.1 inches of snow.

Does Northwest Harwinton get tornadoes?

14 tornadoes have passed within 10 miles of Northwest Harwinton since 1950 (NOAA Storm Events); the strongest was a F2 on June 23, 2001. The typical Connecticut town has had 8.

How this page is made. Every number comes from public data, matched to Northwest Harwinton's Census boundary (GEOID 0955725). Comparisons use the median of Connecticut towns with at least 500 people. Weather comes from the nearest NOAA normals station; storm counts use NOAA tornado tracks within 10 miles of the town center. Data snapshot 2026-11-13.