Naugatuck Valley Planning Region, Connecticut Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 4th-largest in Connecticut
The population of Naugatuck Valley Planning Region, Connecticut is 452,303 as of the 2023 American Community Survey, making it the 4th-largest county in Connecticut. The median household income is $86,365, the median home value is $290,800, and the median age is 41.9.
The population of Naugatuck Valley Planning Region has grown 2.9% since 2020 (449,055 → 462,220), a +0.73% annualized rate.
Naugatuck Valley Planning Region, CT
452,303
Population
+0.73%
Annual growth
1096
People / sq mi
$86,365
Median Income
$290,800
Median Home Value
Naugatuck Valley Planning Region covers 413 sq mi of land at 1095.7 people per square mile.
About Naugatuck Valley Planning Region, CT
Naugatuck Valley Planning Region stands apart on settlement density — it is among the most densely settled of US counties, at roughly 1,096 people per square mile. Naugatuck Valley Planning Region is a county in Connecticut with a population of 452,303. That makes it one of the ten largest counties in Connecticut in the country, at #4 by population.
The typical household earns $86,365 a year, above the US median of $78,538. About 7.4% of residents live below the federal poverty level, below the national 12.4%. Home values run above average at $290,800, with typical rent around $1,288.
College attainment is above the local norm at 33.8%, near the national 35.0%. About 11.4% of workers primarily work from home, below the national 14.0%, and the average commute runs about 28 minutes each way.
That density explains much of the rest of the profile in Naugatuck Valley Planning Region: denser places lean toward renting, shorter commutes by transit, and a younger working-age mix.
Naugatuck Valley Planning Region Population History (2020-2024)
The county of Naugatuck Valley Planning Region had a population of 449,055 in 2020 and 462,220 in 2024, a 2.9% growth over 4 years. The peak was 462,220 in 2024. Average annual growth rate: 0.73%.
462,220
Population (2024)
449,055
Population (2020)
462,220
Peak (2024)
0.73%
Avg Annual Growth
| Year | Population |
|---|---|
| 2020 | 449,055 |
| 2021 | 452,095 |
| 2022 | 453,868 |
| 2023 | 457,609 |
| 2024 | 462,220 |
Race & Ethnicity
| White | 67.0% |
| Black or African American | 11.2% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.4% |
| Two or More Races | 0.0% |
Age & Sex
41.9
Median Age
51.1%
Female
48.9%
Male
18.7%
Age 65+
Age Distribution
Children (under 15): 16.6% · Seniors (65+): 18.7%
Income & Poverty
| Median household income | $86,365$-7,395 vs state |
| Mean household income | $113,511 |
| Per-capita income | $46,063 |
| Poverty rate | 7.4%+0.6% vs state |
| Unemployment rate | 4.0% |
| Employment-to-population | 61.5% |
Top Industries by Employment
The largest employment sector in Naugatuck Valley Planning Region is professional & business services, accounting for 28.1% of workers.
How residents commute
1.5%
Drive alone
1.6%
Carpool
75.4%
Public transit
11.4%
Work from home
28.4 min
Avg commute
Housing
$290,800$-52,400 vs state
Median home value
$1,288
Median rent
67.6%
Homeownership rate
191,984
Total housing units
92.9%
Occupied
7.1%
Vacant
32.4%
Renter-occupied
Social & access
95.5%
With health insurance
93.6%
With broadband internet
20.3%
Foreign-born
5.1%
Veterans (18+)
14.0%
With a disability
77.4%
Speak language other than English at home
Education
90.3%
High School+
33.8%
Bachelor's+
Largest cities in Connecticut
Other counties in Connecticut
Part of Connecticut
Metro areas in Connecticut
County rankings
Common questions about Naugatuck Valley Planning Region, CT
Frequently Asked Questions
Naugatuck Valley Planning Region, Connecticut has a population of 452,303 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 4th-largest county in Connecticut. Population density is 1096 people per square mile.
The population of Naugatuck Valley Planning Region has grown 2.9% since 2020 (449,055 → 462,220), a +0.73% annualized rate.
The median household income in Naugatuck Valley Planning Region, Connecticut is $86,365, with mean (average) household income of $113,511 and per-capita income of $46,063. 7.4% of residents live below the federal poverty level.
In Naugatuck Valley Planning Region, the largest racial and ethnic groups are White (67.0%), Black or African American (11.2%), Hispanic or Latino (1.4%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Naugatuck Valley Planning Region, Connecticut is 41.9 years. Residents are 51.1% female and 48.9% male.
The median home value in Naugatuck Valley Planning Region is $290,800 and median monthly rent is $1,288. 67.6% of occupied housing units are owner-occupied. The county has 191,984 total housing units, 7.1% of which are vacant.
The largest employment sector in Naugatuck Valley Planning Region, Connecticut is professional, scientific, and management services, employing 28.1% of workers. The unemployment rate is 4.0%.
Bridgeport is among the largest cities associated with Naugatuck Valley Planning Region, Connecticut, with a population of 148,012.
Naugatuck Valley Planning Region, CT Climate
Naugatuck Valley Planning Region, CT has an average annual temperature of 9.3°C (49°F) and receives about 1233 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
9.3°C
Avg Temp
1233
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -4° / 25° | 94 mm |
| February | -2° / 28° | 86 mm |
| March | 2° / 36° | 103 mm |
| April | 8° / 47° | 108 mm |
| May | 14° / 58° | 113 mm |
| June | 19° / 66° | 102 mm |
| July | 22° / 71° | 104 mm |
| August | 21° / 70° | 102 mm |
| September | 17° / 62° | 104 mm |
| October | 11° / 51° | 101 mm |
| November | 5° / 41° | 111 mm |
| December | -1° / 31° | 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 Naugatuck Valley Planning Region, CT
The most comfortable months to visit Naugatuck Valley Planning Region, CT are typically August, July and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 28°C high). The coldest is January (near -9°C low). May is usually the wettest month.
Where to stay near Naugatuck Valley Planning Region
Visiting or relocating to Naugatuck Valley Planning Region, CT? Compare hotels and short-term rentals across the county — live availability and prices.
Top-rated places to stay near Naugatuck Valley Planning Region
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a move to Naugatuck Valley Planning Region?
Get relocation and cost-of-living insights for Naugatuck Valley Planning Region, CT by email. No spam, unsubscribe anytime.
More from Connecticut
Population 969,029
Population 621,232
Population 566,803
Population 326,296
Full rankings of Connecticut counties
Statewide data for Connecticut
Population, race, income, age, and trends across Connecticut
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.