Northwest Hills Planning Region, Connecticut Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 8th-largest in Connecticut
The population of Northwest Hills Planning Region, Connecticut is 112,848 as of the 2023 American Community Survey, making it the 8th-largest county in Connecticut. The median household income is $91,035, the median home value is $311,700, and the median age is 47.1.
The population of Northwest Hills Planning Region has grown 1.7% since 2020 (112,199 → 114,101), a +0.42% annualized rate.
Northwest Hills Planning Region, CT
112,848
Population
+0.42%
Annual growth
143
People / sq mi
$91,035
Median Income
$311,700
Median Home Value
Northwest Hills Planning Region covers 787 sq mi of land at 143.5 people per square mile.
About Northwest Hills Planning Region, CT
What sets Northwest Hills Planning Region apart is money: median household income runs $91,035, above the US median of $78,538. With 112,848 residents, Northwest Hills Planning Region is a county in Connecticut. That makes it one of the ten largest counties in Connecticut in the country, at #8 by population.
Income is a real outlier — the median household pulls in $91,035, putting Northwest Hills Planning Region near the top of US counties. Only 5.9% of residents live in poverty, below the national 12.4%. A typical home is worth $311,700, with typical rent around $1,169.
Northwest Hills Planning Region is among the best-educated US counties: 39.4% of adults 25 and older hold a bachelor’s degree, above the national 35.0%. A solid 14.2% of workers are based at home, close to the national 14.0%, and the average commute runs about 29 minutes each way.
Taken together, the income and housing figures place Northwest Hills Planning Region firmly in the higher-cost, higher-earning tier of US counties — a profile that tends to track dense job markets and competitive housing.
Northwest Hills Planning Region Population History (2020-2024)
The county of Northwest Hills Planning Region had a population of 112,199 in 2020 and 114,101 in 2024, a 1.7% growth over 4 years. The peak was 114,101 in 2024. Average annual growth rate: 0.42%.
114,101
Population (2024)
112,199
Population (2020)
114,101
Peak (2024)
0.42%
Avg Annual Growth
| Year | Population |
|---|---|
| 2020 | 112,199 |
| 2021 | 112,952 |
| 2022 | 113,289 |
| 2023 | 113,538 |
| 2024 | 114,101 |
Race & Ethnicity
| White | 85.1% |
| Black or African American | 2.7% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.1% |
| Two or More Races | 0.0% |
Age & Sex
47.1
Median Age
50.0%
Female
50.0%
Male
22.2%
Age 65+
Age Distribution
Children (under 15): 14.3% · Seniors (65+): 22.2%
Income & Poverty
| Median household income | $91,035$-2,725 vs state |
| Mean household income | $130,654 |
| Per-capita income | $55,526 |
| Poverty rate | 5.9%-0.9% vs state |
| Unemployment rate | 3.5% |
| Employment-to-population | 61.6% |
Top Industries by Employment
The largest employment sector in Northwest Hills Planning Region is professional & business services, accounting for 27.1% of workers.
How residents commute
1.2%
Drive alone
3.2%
Carpool
73.4%
Public transit
14.2%
Work from home
28.5 min
Avg commute
Housing
$311,700$-31,500 vs state
Median home value
$1,169
Median rent
75.9%
Homeownership rate
55,665
Total housing units
84.5%
Occupied
15.5%
Vacant
24.1%
Renter-occupied
Social & access
96.1%
With health insurance
95.1%
With broadband internet
27.2%
Foreign-born
6.2%
Veterans (18+)
12.2%
With a disability
89.3%
Speak language other than English at home
Education
94.1%
High School+
39.4%
Bachelor's+
Largest cities in Connecticut
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County rankings
Frequently Asked Questions
Northwest Hills Planning Region, Connecticut has a population of 112,848 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 8th-largest county in Connecticut. Population density is 143 people per square mile.
The population of Northwest Hills Planning Region has grown 1.7% since 2020 (112,199 → 114,101), a +0.42% annualized rate.
The median household income in Northwest Hills Planning Region, Connecticut is $91,035, with mean (average) household income of $130,654 and per-capita income of $55,526. 5.9% of residents live below the federal poverty level.
In Northwest Hills Planning Region, the largest racial and ethnic groups are White (85.1%), Black or African American (2.7%), Hispanic or Latino (1.1%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Northwest Hills Planning Region, Connecticut is 47.1 years. Residents are 50.0% female and 50.0% male.
The median home value in Northwest Hills Planning Region is $311,700 and median monthly rent is $1,169. 75.9% of occupied housing units are owner-occupied. The county has 55,665 total housing units, 15.5% of which are vacant.
The largest employment sector in Northwest Hills Planning Region, Connecticut is professional, scientific, and management services, employing 27.1% of workers. The unemployment rate is 3.5%.
Bridgeport is among the largest cities associated with Northwest Hills Planning Region, Connecticut, with a population of 148,012.
Northwest Hills Planning Region, CT Climate
Northwest Hills Planning Region, CT has an average annual temperature of 7.6°C (46°F) and receives about 1250 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
7.6°C
Avg Temp
1250
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -6° / 21° | 94 mm |
| February | -5° / 24° | 88 mm |
| March | 0° / 33° | 102 mm |
| April | 7° / 44° | 106 mm |
| May | 13° / 55° | 114 mm |
| June | 17° / 63° | 107 mm |
| July | 20° / 68° | 107 mm |
| August | 19° / 67° | 110 mm |
| September | 15° / 59° | 105 mm |
| October | 9° / 48° | 100 mm |
| November | 4° / 38° | 112 mm |
| December | -2° / 28° | 105 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Northwest Hills Planning Region, CT
The most comfortable months to visit Northwest Hills Planning Region, CT are typically July, August and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 26°C high). The coldest is January (near -11°C low). May is usually the wettest month.
Where to stay near Northwest Hills Planning Region
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.