Strafford County, New Hampshire

Strafford County population, land area and income

Strafford County had 134,202 residents in the Census Vintage 2024 estimate, on 367.5 square miles of land. It ranks 4th of 10 in New Hampshire by population and 10th by land area. That works out to 365.2 people per square mile, 3.8 times the US average of 96.3, and in the top quarter nationally.

The median county-equivalent in New Hampshire has 85,562 residents; Strafford County is somewhat larger.

Its SAIPE 2023 median household income of $84,762 is in the top quarter among 3,143 counties with an estimate.

How Strafford County's population changed since 2020

Strafford County gained 3,128 residents between the July 2020 and July 2024 estimates, a rise of 2.4%. That ranks 4th of 10 in New Hampshire for growth. The median New Hampshire county changed by +2.3%, and the state as a whole by +2.2%.

Since the April 2020 estimates base, Strafford County recorded 4,891 births and 5,536 deaths, a natural change of -645. Net international migration added +667 and net domestic migration, people moving to or from other US counties, came to +3,111. The largest single component was domestic migration, which added 3,111 people.

Where Strafford County is

The Census internal point of Strafford County is at 43.293300, -71.035600. It sits in UTM zone 19N. The map shades New Hampshire's 10 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Strafford County outlined. Dots are towns of 1,000+ people with residents in it.

Towns in Strafford County

3 incorporated places of 1,000+ people have residents in Strafford County, 79,725 people together, or 59% of the county. Each figure counts only the part of the town inside Strafford County; towns marked "part" extend into another county. The largest is Dover with 33,909.

Counties bordering Strafford County

The Census 2024 county adjacency file lists 5 neighbors for Strafford County, including 1 across a state line. The most populous is Rockingham County, NH, with 322,433 residents. Distances run between Census internal points in a straight line.

• Rockingham County

  322,433 people

  21 mi S

• ME

  York County, ME

  220,143 people

  21 mi ENE

• Merrimack County

  157,869 people

  32 mi W

• Belknap County

  65,257 people

  25 mi NW

• Carroll County

  52,580 people

  41 mi NNW

Distance to Concord and the nearest big city

Concord is 26.0 miles WSW of Strafford County's internal point in a straight line. The nearest place of 100,000 or more is Manchester, NH (population 116,386), 29.6 miles away. The nearest place of 10,000 or more is Rochester, NH (population 33,598), 3.0 miles away.

Strafford County FIPS code

The FIPS code of Strafford County is 33017: state code 33 for New Hampshire plus county code 017. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $84,762.