South Central Connecticut Planning Region, Connecticut

South Central Connecticut Planning Region, Connecticut, has 578,741 residents (July 2025 estimate). It uses Eastern Time and covers 367 sq mi (951 km²) of land. It is a county equivalent (planning region).

BridgeportStamfordNew Haven
South Central Connecticut Planning Region in Connecticut
Greater Bridgeport Planning RegionLower Connecticut River Valley Planning RegionNaugatuck Valley Planning RegionNew HavenWest HavenMilford city (balance)
South Central Connecticut Planning Region and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
578,741
Land area
367 sq mi (951 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
$88,197 ± $1,692
Median home value
$353,100 ± $3,843
Median rent, with utilities
$1,525 ± $24
Homes lived in by their owners
60.5% ± 0.9 points
County type
Planning region
Metro or micro area
New Haven, CT metro areaCentral planning region
Water area
252 sq mi (654 km²)
State
Connecticut
County code (FIPS)
09170
Coordinates (central point)
41.290167, -72.837024

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 South Central 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. 0651655,351 people
  2. 0651154,730 people
  3. 0649244,498 people
  4. 0651338,888 people
  5. 0646037,649 people
  6. 0645035,694 people
  7. 0651228,830 people
  8. 0640528,217 people
  9. 0651426,803 people
  10. 0645124,851 people
  11. 0647324,743 people
  12. 0643722,067 people
All 24
  1. 0651820,126 people
  2. 0651519,006 people
  3. 0644317,657 people
  4. 0651915,605 people
  5. 0646115,035 people
  6. 0647714,315 people
  7. 0651714,221 people
  8. 065259,073 people
  9. 064717,140 people
  10. 064726,363 people
  11. 065245,288 people
  12. 065104,584 people

24 ZIP Code areas overlap South Central 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 South Central Connecticut Planning Region, largest first

  1. Town of New Haven134,349 people
  2. Town of Hamden61,045 people
  3. Town of Meriden60,545 people
  4. Town of West Haven55,351 people
  5. Town of Milford52,684 people
  6. Town of Wallingford44,362 people
  7. Town of Branford28,217 people
  8. Town of East Haven27,806 people
  9. Town of North Haven24,336 people
  10. Town of Guilford22,108 people
  11. Town of Madison17,616 people
  12. Town of Orange14,315 people
All 15
  1. Town of North Branford13,503 people
  2. Town of Woodbridge9,073 people
  3. Town of Bethany5,288 people

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

School districts in South Central Connecticut Planning Region, largest first

  1. New Haven School District134,349 people
  2. Hamden School District61,045 people
  3. Meriden School District60,545 people
  4. West Haven School District55,351 people
  5. Milford School District52,684 people
  6. Wallingford School District44,362 people
  7. Regional School District 0528,676 people
  8. Branford School District28,217 people
  9. East Haven School District27,806 people
  10. North Haven School District24,336 people
  11. Guilford School District22,108 people
  12. Madison School District17,616 people
All 16
  1. Orange School District14,315 people
  2. North Branford School District13,503 people
  3. Woodbridge School District9,073 people
  4. Bethany School District5,288 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. New Haven, Connecticut (city)134,349 people
  2. Meriden, Connecticut (city)60,545 people
  3. West Haven, Connecticut (city)55,351 people
  4. Milford, Connecticut (city)51,023 people
  5. East Haven, Connecticut (CDP)27,806 people
  6. North Haven, Connecticut (CDP)24,336 people
  7. Wallingford Center, Connecticut (CDP)18,208 people
  8. Orange, Connecticut (CDP)14,315 people
  9. Branford Center, Connecticut (CDP)6,305 people
  10. Northford, Connecticut (CDP)6,186 people
  11. Quinnipiac University, Connecticut (CDP)4,311 people
  12. Guilford Center, Connecticut (CDP)2,263 people
All 14
  1. Madison Center, Connecticut (CDP)1,981 people
  2. Woodmont, Connecticut (borough)1,661 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Lower Connecticut River Valley Planning Region, Connecticut20 mi northeast
  2. Naugatuck Valley Planning Region, Connecticut20 mi northwest
  3. Greater Bridgeport Planning Region, Connecticut21 mi west
  4. Suffolk County, New York25 mi south
  5. Capitol Planning Region, Connecticut39 mi north

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.