May we count your visit with Google Analytics? It uses cookies and sends visit data to Google. You can change this any time under Cookie choices. Privacy

Where am ILOCATED

Sullivan County, New Hampshire

Sullivan County, New Hampshire, has 43,961 residents (July 2025 estimate). Its county seat is Newport. It uses Eastern Time and covers 538 sq mi (1,393 km²) of land.

ManchesterNashuaConcord
Sullivan County in New Hampshire
Merrimack CountyWindsor CountyClaremontNewportCharlestownPlainfield
Sullivan County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
43,961
Land area
538 sq mi (1,393 km²)
County seat or government
Newport
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Median household income
$80,858 ± $3,824
Median home value
$268,700 ± $9,374
Median rent, with utilities
$1,211 ± $60
Homes lived in by their owners
75.4% ± 2.1 points
County type
County
Metro or micro area
Lebanon-Claremont, NH-VT micro areaOutlying county
Water area
14.3 sq mi (36.9 km²)
State
New Hampshire
County code (FIPS)
33019
Coordinates (central point)
43.361188, -72.222084
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 Sullivan 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. 0374313,704 people
  2. 032448,156 people
  3. 037737,681 people
  4. 036035,238 people
  5. 037484,563 people
  6. 032574,484 people
  7. 037533,509 people
  8. 037823,122 people
  9. 036022,381 people
  10. 037811,918 people
  11. 037451,816 people
  12. 032801,224 people
All 19
  1. 037521,042 people
  2. 03605907 people
  3. 03284890 people
  4. 03770604 people
  5. 03751397 people
  6. 03601382 people
  7. 03607368 people

19 ZIP Code areas overlap Sullivan 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

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 Sullivan County, largest first

  1. Town of Newport6,375 people
  2. Town of Charlestown4,889 people
  3. Town of Grantham3,465 people
  4. Town of Sunapee3,416 people
  5. Town of Plainfield2,522 people
  6. Town of Cornish1,816 people
  7. Town of Unity1,375 people
  8. Town of Washington1,208 people
  9. Town of Springfield1,122 people
  10. Town of Goshen1,042 people
  11. Town of Lempster953 people
  12. Town of Acworth851 people
All 14
  1. Town of Langdon805 people
  2. Town of Croydon798 people

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

School districts in Sullivan County, largest first

  1. Kearsarge Regional School District15,832 people
  2. Claremont School District13,078 people
  3. Fall Mountain Regional School District11,786 people
  4. Newport School District6,375 people
  5. Grantham School District3,465 people
  6. Sunapee School District3,416 people
  7. Plainfield School District2,522 people
  8. Cornish School District1,816 people
  9. Unity School District1,375 people
  10. Washington School District1,208 people
  11. Goshen School District1,042 people
  12. Lempster School District953 people
All 13
  1. Croydon School District798 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. Claremont, New Hampshire (city)13,078 people
  2. Newport, New Hampshire (CDP)4,758 people
  3. Charlestown, New Hampshire (CDP)659 people
  4. Plainfield, New Hampshire (CDP)220 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Windsor County, Vermont24 mi northwest
  2. Merrimack County, New Hampshire28 mi east
  3. Cheshire County, New Hampshire30 mi south
  4. Windham County, Vermont36 mi southwest
  5. Hillsborough County, New Hampshire40 mi southeast
  6. Grafton County, New Hampshire43 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.