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Where am ILOCATED

Somerset County, New Jersey

Somerset County, New Jersey, has 356,486 residents (July 2025 estimate). Its county seat is Somerville. It uses Eastern Time and covers 302 sq mi (782 km²) of land.

NewarkJersey CityPaterson
Somerset County in New Jersey
Hunterdon CountyMiddlesex CountyUnion CountyNorth PlainfieldSomersetHillsboroughBradley Gardens
Somerset County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
356,486
Land area
302 sq mi (782 km²)
County seat or government
Somerville
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Median household income
$140,374 ± $3,294
Median home value
$552,100 ± $7,374
Median rent, with utilities
$2,033 ± $52
Homes lived in by their owners
74.3% ± 0.9 points
County type
County
Metro or micro area
New York-Newark-Jersey City, NY-NJ metro areaCentral county
Water area
3.08 sq mi (7.98 km²)
State
New Jersey
County code (FIPS)
34035
Coordinates (central point)
40.565527, -74.619938
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 Somerset County

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. 0887356,327 people
  2. 0854050,388 people
  3. 0706048,363 people
  4. 0884444,463 people
  5. 0880739,560 people
  6. 0792028,753 people
  7. 0887623,380 people
  8. 0705916,811 people
  9. 0706215,399 people
  10. 0706314,235 people
  11. 0881214,224 people
  12. 0880514,066 people
All 33
  1. 0850211,849 people
  2. 0883510,921 people
  3. 088238,884 people
  4. 088698,368 people
  5. 079247,713 people
  6. 079217,700 people
  7. 085587,648 people
  8. 070696,623 people
  9. 088535,634 people
  10. 088804,867 people
  11. 085254,522 people
  12. 088363,855 people
  13. 079312,985 people
  14. 079341,293 people
  15. 07977917 people
  16. 08553819 people
  17. 07939322 people
  18. 08528321 people
  19. 08821283 people
  20. 07979214 people
  21. 0889017 people

33 ZIP Code areas overlap Somerset County. 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

Somerset County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

Townships in Somerset County, largest first

  1. Franklin Township68,907 people
  2. Bridgewater Township46,268 people
  3. Hillsborough Township44,091 people
  4. Bernards Township28,114 people
  5. Montgomery Township23,841 people
  6. Warren Township16,186 people
  7. Branchburg Township15,140 people
  8. Bedminster Township8,283 people
  9. Green Brook Township7,028 people

People counts are American Community Survey 2020–2024 5-year estimates. All townships in New Jersey, by county

School districts in Somerset County, largest first

  1. Franklin Township School District (Somerset County)68,907 people
  2. Bridgewater-Raritan Regional School District54,636 people
  3. Hillsborough Township School District44,746 people
  4. Watchung Hills Regional School District31,323 people
  5. Bernards Township School District28,114 people
  6. Montgomery Township School District24,660 people
  7. North Plainfield Borough School District22,809 people
  8. Warren Township School District16,186 people
  9. Branchburg Township School District15,140 people
  10. Somerville Borough School District13,410 people
  11. Bound Brook Borough School District12,219 people
  12. Somerset Hills Regional School District11,435 people
All 17
  1. Manville Borough School District10,921 people
  2. Bedminster Township School District8,283 people
  3. Green Brook Township School District7,028 people
  4. Watchung Borough School District6,485 people
  5. South Bound Brook Borough School District4,867 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. North Plainfield, New Jersey (borough)22,809 people
  2. Somerset, New Jersey (CDP)22,720 people
  3. Hillsborough, New Jersey (CDP)22,585 people
  4. Bradley Gardens, New Jersey (CDP)14,165 people
  5. Somerville, New Jersey (borough)13,410 people
  6. Franklin Park, New Jersey (CDP)13,211 people
  7. Bound Brook, New Jersey (borough)12,219 people
  8. Martinsville, New Jersey (CDP)11,559 people
  9. East Franklin, New Jersey (CDP)11,070 people
  10. Manville, New Jersey (borough)10,921 people
  11. The Hills, New Jersey (CDP)10,785 people
  12. Blackwells Mills, New Jersey (CDP)10,301 people
All 50
  1. Raritan, New Jersey (borough)8,368 people
  2. Basking Ridge, New Jersey (CDP)7,917 people
  3. Bernardsville, New Jersey (borough)7,916 people
  4. Green Knoll, New Jersey (CDP)6,789 people
  5. Franklin Center, New Jersey (CDP)6,646 people
  6. Bridgewater Center, New Jersey (CDP)6,505 people
  7. Finderne, New Jersey (CDP)6,489 people
  8. Watchung, New Jersey (borough)6,485 people
  9. Belle Mead, New Jersey (CDP)6,394 people
  10. Neshanic Station, New Jersey (CDP)5,640 people
  11. Lyons, New Jersey (CDP)5,187 people
  12. South Bound Brook, New Jersey (borough)4,867 people
  13. Six Mile Run, New Jersey (CDP)2,882 people
  14. Peapack and Gladstone, New Jersey (borough)2,571 people
  15. Ten Mile Run, New Jersey (CDP)2,492 people
  16. Liberty Corner, New Jersey (CDP)2,325 people
  17. Weston, New Jersey (CDP)2,105 people
  18. Middlebush, New Jersey (CDP)2,049 people

See all 50 cities, towns and communities in Somerset County, largest first

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Middlesex County, New Jersey14 mi southeast
  2. Hunterdon County, New Jersey15 mi west
  3. Union County, New Jersey18 mi east
  4. Mercer County, New Jersey20 mi south
  5. Morris County, New Jersey21 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.