RANK #407 / 996 · POP 315,169 · NH
PROJECTED GROWTH: +1.1%
Rockingham County, New Hampshire, stands out for its 18 miles of Atlantic coastline, the shortest ocean coastline of any U.S. state. Located in the southeastern part of New Hampshire, it borders Massachusetts to the south and Maine to the northeast. Portsmouth, a historic seaport, was one of New Hampshire's first European settlements. The county offers a mix of rural, suburban, and coastal environments. Commuting to Boston, Massachusetts, is feasible, with a mean travel time for county residents around 28.9 minutes. Outdoor recreation opportunities include beaches like Hampton Beach and Wallis Sands, as well as multi-use rail trails such as the Rockingham Recreational Rail Trail for hiking, biking, and snowmobiling. Life in Rockingham County often appeals to families, with public schools generally performing above average. The county is considered among the healthiest in New Hampshire. The economy is supported by various sectors, including ongoing investments in data centers, energy infrastructure, and industrial and logistics operations. The Regional Economic Development Center of Southern New Hampshire (REDC) focuses on economic development planning for the area.
Above national median (4.7x)
Below national median
Moderate climate & terrain
Above national median (13x)
Housing is fairly valued at 5.2x relative to local economic output. The typical U.S. county is 4–6x.
Source: Redfin · Census BPS — Browse sales on Redfin →
| PROJECT | AMOUNT | STATUS |
|---|---|---|
|
AI Data Center (Former Unifi Building)
White Fiber
|
$500M | Under Construction |
|
Rockingham 100 MW Solar Project
Undisclosed
|
$100M | Planned |
|
Rockingham County Municipal Building & Solar Array
Rockingham County
|
$77M | Under Construction |
|
Seabrook Station Nuclear Power Plant License Extension
NextEra Energy
|
— | Operating |
Source: public records, news, corporate announcements. Amounts are estimates where noted.
Bars show percentile rank among all 996 counties.
Rockingham County has a Boom Town Index score of 59/100, ranking #407 among 996 U.S. counties. With job growth at +1.5% and a median household income of $110,225, it's an above-average county on economic indicators.
The median home value in Rockingham County is $424,100 with median rent at $1,518/month. The income-to-home-value ratio is 0.2599, which is more affordable than the national average.
Population growth: +0.8% year-over-year. Job growth: +1.5%. Home values changed +2.8% in the past 12 months.