Rockingham County
Rockingham County is significantly wealthier than the US average, with a median household income of $118,331. Population has grown 15% since 2000. 46% of adults hold a bachelor's degree or higher. Median home value has roughly tripled since 2000, reaching $497,500. With a median age of 45.0, the population is older than the US median of 38.9. It ranks in the top 1% of US counties for household income.
Population & growth
PEP 2025 EST:324,077 residents (Census Bureau Vintage 2025, released March 2026)
Income & economy
Housing
Race & ethnicity
Detailed origins & ancestry
+ 8 more hispanic origin groups with data
+ 3 more asian origin groups with data
+ 45 more ancestry groups with data
Education
Commute & transportation
Work & employment
People & community
Places similar to Rockingham County
Compare Rockingham County to nearby counties
How many people live in Rockingham County, New Hampshire?
Rockingham County, New Hampshire has about 319,082 residents according to the 2024 American Community Survey.
What is the median household income in Rockingham County, New Hampshire?
The typical household in Rockingham County, New Hampshire earns about $118,331 a year. Half of households make more than that, and half make less.
Is Rockingham County, New Hampshire expensive?
In Rockingham County, New Hampshire, the median home is worth about $497,500, and the typical rent is about $1,687 a month.
How educated are people in Rockingham County, New Hampshire?
About 45.7% of adults age 25 and over in Rockingham County, New Hampshire hold a bachelor's degree or higher.
What is the poverty rate in Rockingham County, New Hampshire?
About 4.8% of people in Rockingham County, New Hampshire live below the federal poverty line.
Has Rockingham County, New Hampshire grown since 1990?
Yes, Rockingham County, New Hampshire has grown since 1990. The population has added about 73,237 residents, a change of about 30 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024