County · Connecticut

Naugatuck Valley Planning Region, Connecticut

Naugatuck Valley Planning Region, Connecticut. Naugatuck Valley Planning Region had 463,349 residents in 2025 by the Census Bureau's estimate, up 2.9% since 2020, faster than Connecticut (+2.2%). It holds 27 places (6 cities, villages and boroughs, 13 towns and townships and 8 census-designated) and 98 census tracts. GEOID 09140.

Naugatuck Valley Planning Region is the county of the Waterbury-Shelton, CT metropolitan statistical area (the Census Bureau's July 2023 delineation).

Residents, July 2025 estimate

463,349

Census Bureau estimate (no margin published)
2020 Census count: 450,376 · ACS 2020-2024: 454,969

Median household income

$86,191

±$1,654 (90% margin)
Connecticut: $95,781

Median home value

$317,700

±$5,035 (90% margin)
Connecticut: $366,900

Median gross rent

$1,330

±$29 (90% margin)
Connecticut: $1,488

How many people live in Naugatuck Valley Planning Region, and is it growing?

The 2020 Census counted 450,376 residents in Naugatuck Valley Planning Region. The Census Bureau estimates 463,349 for July 1, 2025, up 2.9% since 2020, faster than Connecticut (+2.2%). The 2020-2024 American Community Survey puts the population at 454,969 over 413 square miles of land.

  • July 2020→2021 +3,124 (452,117)
  • 2021→2022 +1,810 (453,927)
  • 2022→2023 +3,457 (457,384)
  • 2023→2024 +4,096 (461,480)
  • 2024→2025 +1,869 (463,349)
Naugatuck Valley Planning Region in Connecticut. Boundaries: Census Bureau 2024.
Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
MeasureNaugatuck Valley Planning RegionConnecticutChange since 2015-2019
Total population454,9693,624,508–
Households180,116±9901,434,007–
Average household size2.49±0.012.46–
Housing units192,551±1851,541,822–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov

What cities and towns are in Naugatuck Valley Planning Region?

Naugatuck Valley Planning Region holds 27 places: 6 cities, villages and boroughs (incorporated places), 13 towns and townships (county subdivisions with their own government) and 8 census-designated places. The largest is Waterbury with 115,771 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.

Places in Naugatuck Valley Planning Region, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.
Waterburycity114,403114,869±48$51,886$208,50024.7%100%
Bristolcity60,83361,462±29$79,076$277,80010.7%100%
Sheltoncity40,86941,889±86$108,185$452,6006.6%100%
Naugatuckborough31,51931,800±63$96,324$259,1006.3%100%
Cheshiretown28,73329,040±58$146,528$440,0005.0%100%
Watertowntown22,10522,253±28$101,691$333,5004.3%100%
Southburytown19,87920,071±23$112,887$411,6003.4%100%
Ansoniacity18,91819,033±61$85,877$287,2009.4%100%
Seymourtown16,74816,889±24$107,708$370,0006.7%100%
Wolcotttown16,14216,279±44$110,850$326,2001.8%100%
Oxfordtown12,70612,991±21$128,953$472,4004.0%100%
Derbycity12,32512,487±33$79,500$256,70010.8%100%
Plymouthtown11,67111,746±40$94,514$275,0008.5%100%
Woodburytown9,7239,833±20$131,480$469,9007.2%100%
OakvilleCDP9,5049,276±1,015$95,515$280,5002.4%100%
Prospecttown9,4019,458±36$126,394$355,4003.2%100%
Middleburytown7,5747,807±43$133,487$476,4005.8%100%
Thomastontown7,4427,492±27$103,218$282,6002.3%100%
Cheshire VillageCDP6,4996,172±599$117,218$424,1007.3%100%
Beacon Fallstown6,0006,147±27$101,516$350,3002.1%100%
TerryvilleCDP5,2025,461±618$72,813$243,80012.7%100%
Heritage VillageCDP5,0914,968±442$62,059$243,1005.6%100%
Watertown CDPCDP3,9383,897±897$103,200$293,30013.2%100%
Bethlehemtown3,3853,423±23$108,929$410,90010.4%100%
Bethlehem VillageCDP1,9702,195±277$109,256$380,5006.1%100%
Thomaston CDPCDP1,9281,988±526$79,674$246,3006.2%100%
Woodbury CenterCDP1,3351,606±402$98,194$442,50013.3%100%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov

Who lives in Naugatuck Valley Planning Region?

The median resident of Naugatuck Valley Planning Region is 41.8 years old; 20.3% are under 18 and 19.2% are 65 or older. The largest group is non-Hispanic white residents at 59.8%, then Hispanic or Latino residents (of any race) at 19.9%. 14.2% of residents were born outside the United States.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
MeasureNaugatuck Valley Planning RegionConnecticutChange since 2015-2019
Median age41.8±0.341.1–
Under 18 years20.3%±0.1 pts20.2%–
65 years and over19.2%±0.1 pts18.5%–
Hispanic or Latino (any race)19.9%18.3%–
White alone, not Hispanic59.8%±0.3 pts61.9%–
Black or African American alone, not Hispanic10.6%±0.3 pts9.8%–
Asian alone, not Hispanic3.8%±0.2 pts4.7%–
American Indian and Alaska Native alone, not Hispanic0.0%±0.1 pts0.1%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.0%±0.1 pts0.0%–
Two or more races, not Hispanic5.0%±0.4 pts4.3%–
Some other race alone, not Hispanic0.9%±0.2 pts0.9%–
Born outside the United States14.2%±0.6 pts15.7%–
Speak a language other than English at home (age 5+)23.3%±0.7 pts23.4%–
Civilian veterans (age 18+)5.0%±0.3 pts4.7%–
With a disability13.8%±0.5 pts12.2%–
No health insurance coverage4.8%±0.4 pts5.4%–
High school graduate or higher (age 25+)90.5%±0.5 pts91.5%–
Bachelor's degree or higher (age 25+)33.8%±0.8 pts42.5%–
Graduate or professional degree (age 25+)14.5%±0.6 pts19.2%–
Moved from another state in the past year1.7%±0.3 pts2.6%–

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 Naugatuck Valley Planning Region earn?

Half of Naugatuck Valley Planning Region's 180,116 households earn less than $86,191 a year (±$1,654), against $95,781 in Connecticut. 11.2% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
MeasureNaugatuck Valley Planning RegionConnecticutChange since 2015-2019
Median household income$86,191±$1,654$95,781–
Mean household income$114,324±$2,154$138,744–
Per capita income$46,363±$921$55,915–
People below the poverty line11.2%±0.7 pts10.0%–
Children under 18 below the poverty line15.8%±1.6 pts13.0%–
Households receiving SNAP14.5%±0.7 pts11.8%–
Households with a broadband subscription90.8%±0.6 pts92.2%–

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 Naugatuck Valley Planning Region?

Owners occupy 68.6% of Naugatuck Valley Planning Region's occupied homes and renters 31.4%. The median owner-occupied home is valued at $317,700 by its owner (±$5,035). The median renter pays $1,330 a month including utilities, and 44.4% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
MeasureNaugatuck Valley Planning RegionConnecticutChange since 2015-2019
Median home value (owner-occupied)$317,700±$5,035$366,900–
Median gross rent$1,330±$29$1,488–
Renters paying 35% or more of income on rent44.4%±2.1 pts43.5%–
Median monthly owner costs, with a mortgage$2,229±$30$2,429–
Owner-occupied homes68.6%±1.0 pts66.5%–
Housing units192,551±1851,541,822–
Homeowner vacancy rate1.0%±0.3 pts0.8%–
Rental vacancy rate4.3%±0.7 pts4.3%–
Single-family detached homes59.0%±0.9 pts58.6%–
Mobile homes0.8%±0.2 pts0.7%–
Built 2020 or later0.6%±0.1 pts0.7%–
Built 1939 or earlier19.3%±0.8 pts20.2%–

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 Naugatuck Valley Planning Region building?

Builders took permits for 513 new housing units across Naugatuck Valley Planning Region in 2025 (288 single-family), 1.1 per 1,000 residents.

  • 2023 638 units
  • 2024 317 units
  • 2025 513 units

Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in Naugatuck Valley Planning Region get to work?

74.3% of Naugatuck Valley Planning Region's workers drive alone and 12.7% work from home. The average trip to work takes 28.3 minutes. The unemployment rate in 2020-2024 averaged 6.0%.

Work and commuting, ACS 2020-2024 5-year estimates
MeasureNaugatuck Valley Planning RegionConnecticutChange since 2015-2019
In the labor force (age 16+)65.1%±0.6 pts65.9%–
Unemployment rate6.0%±0.5 pts5.6%–
Drove alone to work74.3%±1.1 pts68.8%–
Carpooled8.8%±0.6 pts7.9%–
Public transportation1.4%±0.3 pts3.3%–
Walked1.3%±0.2 pts2.5%–
Worked from home12.7%±0.7 pts16.0%–
Mean travel time to work28.3 min±0.626.5 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 are Naugatuck Valley Planning Region's census tracts?

Naugatuck Valley Planning Region is divided into 98 census tracts. Among those with a reliable estimate, median household income runs from $15,351 (Tract 3501.01) to $169,306 (Tract 1302.01).

All 98 census tracts of Naugatuck Valley Planning Region, with their figures

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

How does Naugatuck Valley Planning Region compare with Connecticut's other counties?

Naugatuck Valley Planning Region's rank among Connecticut's counties with a reliable estimate (1 = highest)
MeasureRank
Population4th of 9
Growth 2020-20253rd of 9
Residents per square mile4th of 9
Median household income9th of 9
Median home value8th of 9
Median gross rent7th of 9
Poverty rate3rd of 9
Bachelor's degree or higher8th of 9
Median age4th of 9

Every county in Connecticut

Source: PlainCities ranks 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 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 Naugatuck Valley Planning Region 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.