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Where am ILOCATED

Hillsborough County, New Hampshire

Hillsborough County, New Hampshire, has 433,415 residents (July 2025 estimate). Its county seat is Nashua, Manchester. It uses Eastern Time and covers 877 sq mi (2,270 km²) of land.

ManchesterNashuaConcord
Hillsborough County in New Hampshire
Cheshire CountyRockingham CountyManchesterNashuaMilfordEast Merrimack
Hillsborough County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
433,415
Land area
877 sq mi (2,270 km²)
County seat or government
Nashua, Manchester
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Median household income
$103,545 ± $1,737
Median home value
$421,100 ± $3,833
Median rent, with utilities
$1,623 ± $21
Homes lived in by their owners
67.4% ± 0.6 points
County type
County
Metro or micro area
Manchester-Nashua, NH metro areaCentral county
Water area
15.9 sq mi (41.3 km²)
State
New Hampshire
County code (FIPS)
33011
Coordinates (central point)
42.911532, -71.723055
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 Hillsborough 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. 0310337,775 people
  2. 0310435,237 people
  3. 0310233,959 people
  4. 0306031,657 people
  5. 0306229,441 people
  6. 0305428,176 people
  7. 0305125,557 people
  8. 0311023,746 people
  9. 0305516,337 people
  10. 0306315,805 people
  11. 0307614,449 people
  12. 0306414,391 people
All 34
  1. 0304514,080 people
  2. 0303111,849 people
  3. 031099,929 people
  4. 032819,170 people
  5. 030498,603 people
  6. 030528,499 people
  7. 032448,156 people
  8. 034586,872 people
  9. 030706,177 people
  10. 030335,736 people
  11. 030715,310 people
  12. 030864,258 people
  13. 030483,237 people
  14. 031013,201 people
  15. 030572,709 people
  16. 034402,661 people
  17. 034491,838 people
  18. 030471,730 people
  19. 034421,588 people
  20. 030821,531 people
  21. 030431,398 people
  22. 030841,363 people

34 ZIP Code areas overlap Hillsborough 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

Hillsborough 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.

Towns in Hillsborough County, largest first

  1. Town of Merrimack28,164 people
  2. Town of Hudson25,557 people
  3. Town of Bedford23,746 people
  4. Town of Goffstown18,513 people
  5. Town of Milford16,337 people
  6. Town of Pelham14,449 people
  7. Town of Amherst11,861 people
  8. Town of Weare9,170 people
  9. Town of Hollis8,603 people
  10. Town of Litchfield8,499 people
  11. Town of Peterborough6,408 people
  12. Town of New Boston6,165 people
All 29
  1. Town of Hillsborough5,980 people
  2. Town of Brookline5,736 people
  3. Town of New Ipswich5,310 people
  4. Town of Wilton3,960 people
  5. Town of Antrim2,692 people
  6. Town of Mont Vernon2,636 people
  7. Town of Greenville2,084 people
  8. Town of Deering1,938 people
  9. Town of Hancock1,791 people
  10. Town of Greenfield1,730 people
  11. Town of Lyndeborough1,616 people
  12. Town of Bennington1,588 people
  13. Town of Mason1,451 people
  14. Town of Francestown1,398 people
  15. Town of Temple1,363 people
  16. Town of Sharon442 people
  17. Town of Windsor254 people

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

School districts in Hillsborough County, largest first

  1. Manchester School District115,643 people
  2. Nashua School District91,294 people
  3. Merrimack School District28,164 people
  4. Hudson School District25,557 people
  5. Bedford School District23,746 people
  6. Contoocook Valley School District19,100 people
  7. Goffstown School District18,513 people
  8. Milford School District16,337 people
  9. John Stark Regional School District15,367 people
  10. Souhegan Cooperative School District14,497 people
  11. Pelham School District14,449 people
  12. Hollis-Brookline Cooperative School District14,339 people
All 24
  1. Amherst School District11,861 people
  2. Weare School District9,170 people
  3. Hollis School District8,603 people
  4. Litchfield School District8,499 people
  5. Hillsboro-Deering Cooperative School District7,918 people
  6. Mascenic Regional School District7,394 people
  7. New Boston School District6,165 people
  8. Brookline School District5,736 people
  9. Wilton-Lyndeborough School District5,576 people
  10. Mont Vernon School District2,636 people
  11. Mason School District1,451 people
  12. Windsor School District254 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. Manchester, New Hampshire (city)115,643 people
  2. Nashua, New Hampshire (city)91,294 people
  3. Milford, New Hampshire (CDP)8,956 people
  4. Hudson, New Hampshire (CDP)7,469 people
  5. East Merrimack, New Hampshire (CDP)5,081 people
  6. Pinardville, New Hampshire (CDP)4,418 people
  7. Goffstown, New Hampshire (CDP)3,490 people
  8. Peterborough, New Hampshire (CDP)2,539 people
  9. Hillsborough, New Hampshire (CDP)1,616 people
  10. Antrim, New Hampshire (CDP)1,265 people
  11. Wilton, New Hampshire (CDP)1,038 people
  12. Greenville, New Hampshire (CDP)865 people
All 18
  1. Amherst, New Hampshire (CDP)726 people
  2. Klondike Corner, New Hampshire (CDP)488 people
  3. Bennington, New Hampshire (CDP)326 people
  4. New Boston, New Hampshire (CDP)245 people
  5. Francestown, New Hampshire (CDP)133 people
  6. Hancock, New Hampshire (CDP)132 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Cheshire County, New Hampshire27 mi west
  2. Merrimack County, New Hampshire27 mi north
  3. Rockingham County, New Hampshire32 mi east
  4. Middlesex County, Massachusetts34 mi southeast
  5. Sullivan County, New Hampshire40 mi northwest
  6. Worcester County, Massachusetts43 mi south
  7. Essex County, Massachusetts47 mi southeast

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.