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Where am ILOCATED

Naugatuck Valley Planning Region, Connecticut

Naugatuck Valley Planning Region, Connecticut, has 463,349 residents (July 2025 estimate). It uses Eastern Time and covers 413 sq mi (1,069 km²) of land. It is a county equivalent (planning region).

BridgeportStamfordNew Haven
Naugatuck Valley Planning Region in Connecticut
South Central Connecticut Planning RegionWaterburyBristolNaugatuckAnsonia
Naugatuck Valley Planning Region and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
463,349
Land area
413 sq mi (1,069 km²)
County seat or government
No separate county-government seat; this is a statistical county equivalent.
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Median household income
$86,191 ± $1,654
Median home value
$317,700 ± $5,035
Median rent, with utilities
$1,330 ± $29
Homes lived in by their owners
68.6% ± 1.0 points
County type
Planning region
Metro or micro area
Waterbury-Shelton, CT metro areaCentral planning region
Water area
8.78 sq mi (22.7 km²)
State
Connecticut
County code (FIPS)
09140
Coordinates (central point)
41.518931, -73.087906
Open this point in the location finder

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Naugatuck Valley Planning Region

Time zoneLocal time and UTC offsetNext clock change
Eastern TimeAmerica/New_YorkUTC-05:00 in January; UTC-04:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 0601061,684 people
  2. 0649244,498 people
  3. 0648441,889 people
  4. 0677031,823 people
  5. 0670431,713 people
  6. 0670829,594 people
  7. 0641028,904 people
  8. 0670525,266 people
  9. 0648820,071 people
  10. 0640119,315 people
  11. 0606217,555 people
  12. 0648316,889 people
All 28
  1. 0671616,113 people
  2. 0670615,551 people
  3. 0679513,889 people
  4. 0647812,991 people
  5. 0641812,205 people
  6. 067109,942 people
  7. 067989,833 people
  8. 067869,768 people
  9. 067129,458 people
  10. 067798,364 people
  11. 067627,807 people
  12. 067877,509 people
  13. 064036,147 people
  14. 067513,423 people
  15. 067022,946 people
  16. 067821,978 people

28 ZIP Code areas overlap Naugatuck Valley Planning Region. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

Towns in Naugatuck Valley Planning Region, largest first

  1. Town of Waterbury114,869 people
  2. Town of Bristol61,462 people
  3. Town of Shelton41,889 people
  4. Town of Naugatuck31,800 people
  5. Town of Cheshire29,040 people
  6. Town of Watertown22,253 people
  7. Town of Southbury20,071 people
  8. Town of Ansonia19,033 people
  9. Town of Seymour16,889 people
  10. Town of Wolcott16,279 people
  11. Town of Oxford12,991 people
  12. Town of Derby12,487 people
All 19
  1. Town of Plymouth11,746 people
  2. Town of Woodbury9,833 people
  3. Town of Prospect9,458 people
  4. Town of Middlebury7,807 people
  5. Town of Thomaston7,492 people
  6. Town of Beacon Falls6,147 people
  7. Town of Bethlehem3,423 people

People counts are American Community Survey 2020–2024 5-year estimates. All towns in Connecticut, by county

School districts in Naugatuck Valley Planning Region, largest first

  1. Waterbury School District114,869 people
  2. Bristol School District61,462 people
  3. Shelton School District41,889 people
  4. Naugatuck School District31,800 people
  5. Cheshire School District29,040 people
  6. Regional School District 1527,878 people
  7. Watertown School District22,253 people
  8. Ansonia School District19,033 people
  9. Seymour School District16,889 people
  10. Wolcott School District16,279 people
  11. Regional School District 1615,605 people
  12. Regional School District 1413,256 people
All 16
  1. Oxford School District12,991 people
  2. Derby School District12,487 people
  3. Plymouth School District11,746 people
  4. Thomaston School District7,492 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Waterbury, Connecticut (city)114,869 people
  2. Bristol, Connecticut (city)61,462 people
  3. Shelton, Connecticut (city)41,889 people
  4. Naugatuck, Connecticut (borough)31,800 people
  5. Ansonia, Connecticut (city)19,033 people
  6. Derby, Connecticut (city)12,487 people
  7. Oakville, Connecticut (CDP)9,276 people
  8. Cheshire Village, Connecticut (CDP)6,172 people
  9. Terryville, Connecticut (CDP)5,461 people
  10. Heritage Village, Connecticut (CDP)4,968 people
  11. Watertown, Connecticut (CDP)3,897 people
  12. Bethlehem Village, Connecticut (CDP)2,195 people
All 14
  1. Thomaston, Connecticut (CDP)1,988 people
  2. Woodbury Center, Connecticut (CDP)1,606 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. South Central Connecticut Planning Region, Connecticut20 mi southeast
  2. Greater Bridgeport Planning Region, Connecticut24 mi south
  3. Northwest Hills Planning Region, Connecticut24 mi north
  4. Western Connecticut Planning Region, Connecticut25 mi southwest
  5. Capitol Planning Region, Connecticut34 mi northeast

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.