Northeastern Connecticut Planning Region, Connecticut

Northeastern Connecticut Planning Region, Connecticut, has 98,096 residents (July 2025 estimate). It uses Eastern Time and covers 554 sq mi (1,435 km²) of land. It is a county equivalent (planning region).

BridgeportStamfordNew Haven
Northeastern Connecticut Planning Region in Connecticut
Capitol Planning RegionKent CountyProvidence CountyPutnamDanielsonMoosupEast BrooklynPlainfield Village
Northeastern Connecticut Planning Region and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
98,096
Land area
554 sq mi (1,435 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
$90,589 ± $4,016
Median home value
$307,600 ± $7,868
Median rent, with utilities
$1,155 ± $26
Homes lived in by their owners
77.3% ± 1.3 points
County type
Planning region
Metro or micro area
Putnam, CT micro areaCentral planning region
Water area
9.26 sq mi (24 km²)
State
Connecticut
County code (FIPS)
09150
Coordinates (central point)
41.842375, -71.972655

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 Northeastern Connecticut 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. 0635115,760 people
  2. 0607611,953 people
  3. 0623911,185 people
  4. 062609,266 people
  5. 062348,517 people
  6. 063747,838 people
  7. 062817,237 people
  8. 062416,585 people
  9. 063546,031 people
  10. 062505,437 people
  11. 063315,145 people
  12. 062594,568 people
All 32
  1. 062554,494 people
  2. 062784,337 people
  3. 062774,004 people
  4. 063303,327 people
  5. 062803,110 people
  6. 063772,927 people
  7. 063842,663 people
  8. 062472,412 people
  9. 062352,018 people
  10. 062561,704 people
  11. 062421,290 people
  12. 062821,134 people
  13. 063321,015 people
  14. 06262813 people
  15. 06263498 people
  16. 06373219 people
  17. 06387178 people
  18. 06264139 people
  19. 06258114 people
  20. 0624383 people

32 ZIP Code areas overlap Northeastern Connecticut 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 Northeastern Connecticut Planning Region, largest first

  1. Town of Killingly17,867 people
  2. Town of Plainfield15,141 people
  3. Town of Thompson9,337 people
  4. Town of Putnam9,292 people
  5. Town of Brooklyn8,517 people
  6. Town of Woodstock8,319 people
  7. Town of Canterbury5,124 people
  8. Town of Pomfret4,317 people
  9. Town of Ashford4,226 people
  10. Town of Sterling3,629 people
  11. Town of Voluntown2,604 people
  12. Town of Chaplin2,070 people
All 16
  1. Town of Eastford1,679 people
  2. Town of Hampton1,647 people
  3. Town of Scotland1,599 people
  4. Town of Union944 people

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

School districts in Northeastern Connecticut Planning Region, largest first

  1. Regional School District 1935,159 people
  2. Killingly School District17,867 people
  3. Plainfield School District15,141 people
  4. Thompson School District9,337 people
  5. Putnam School District9,292 people
  6. Brooklyn School District8,517 people
  7. Woodstock School District8,319 people
  8. Regional School District 115,316 people
  9. Canterbury School District5,124 people
  10. Pomfret School District4,317 people
  11. Ashford School District4,226 people
  12. Sterling School District3,629 people
All 18
  1. Voluntown School District2,604 people
  2. Chaplin School District2,070 people
  3. Eastford School District1,679 people
  4. Hampton School District1,647 people
  5. Scotland School District1,599 people
  6. Union School District944 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. Putnam, Connecticut (CDP)7,120 people
  2. Danielson, Connecticut (borough)4,209 people
  3. Moosup, Connecticut (CDP)2,885 people
  4. East Brooklyn, Connecticut (CDP)2,377 people
  5. Plainfield Village, Connecticut (CDP)2,316 people
  6. South Woodstock, Connecticut (CDP)1,340 people
  7. North Grosvenor Dale, Connecticut (CDP)1,212 people
  8. Quinebaug, Connecticut (CDP)1,193 people
  9. Wauregan, Connecticut (CDP)1,049 people
  10. Brooklyn, Connecticut (CDP)986 people
  11. Mechanicsville, Connecticut (CDP)721 people
  12. Lake Bungee, Connecticut (CDP)543 people
All 16
  1. Dayville, Connecticut (CDP)452 people
  2. Witches Woods, Connecticut (CDP)382 people
  3. Quasset Lake, Connecticut (CDP)361 people
  4. Lake Chaffee, Connecticut (CDP)235 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Providence County, Rhode Island20 mi east
  2. Kent County, Rhode Island23 mi southeast
  3. Southeastern Connecticut Planning Region, Connecticut26 mi south
  4. Capitol Planning Region, Connecticut31 mi west
  5. Worcester County, Massachusetts32 mi north
  6. Washington County, Rhode Island36 mi southeast
  7. Hampden County, Massachusetts40 mi northwest

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.