Hillsborough County, New Hampshire
Hillsborough County is a county in New Hampshire. Its county FIPS code is 33011. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 33011
- Representative coordinates
- 42.911532, -71.723055
- County type
- County
- County seat or government
- Nashua, Manchester
- Resident population, July 2025
- 433,415
- Land area
- 2,270.202 km²
- Water area
- 41.31 km²
- State
- New Hampshire
The representative point identifies this area. It is not a street address or a boundary survey.
Time zones in Hillsborough County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| America/New_York | UTC-05:00 in January; UTC-04:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Listed zones overlap the mapped area. A point lookup can distinguish sides of a boundary. Your device’s zone may differ.
Census ZIP areas
03031 · 03033 · 03043 · 03045 · 03047 · 03048 · 03049 · 03051 · 03052 · 03054 · 03055 · 03057 · 03060 · 03062 · 03063 · 03064 · 03070 · 03071 · 03076 · 03082 · 03084 · 03086 · 03101 · 03102 · 03103 · 03104 · 03109 · 03110 · 03244 · 03281 · 03440 · 03442 · 03449 · 03458
These statistical areas overlap the boundary. They are not delivery assignments; confirm mailing details 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.
Cities, towns and communities
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- Amherst CDP, NH
- Antrim CDP, NH
- Bennington CDP, NH
- East Merrimack CDP, NH
- Francestown CDP, NH
- Goffstown CDP, NH
- Greenville CDP, NH
- Hancock CDP, NH
- Hillsborough CDP, NH
- Hudson CDP, NH
- Klondike Corner CDP, NH
- Manchester city, NH
- Milford CDP, NH
- Nashua city, NH
- New Boston CDP, NH
- Peterborough CDP, NH
- Pinardville CDP, NH
- Wilton CDP, NH
Areas sharing the mapped boundary
These areas touch this mapped boundary.
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 at your current point, check its ZIP area, or find its physical time zone.