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Rockingham County, New Hampshire Demographics 2026

Rockingham County, New Hampshire has a population of 319,082, the 2nd most populous county in New Hampshire. The median household income is $118,331 and the median home value is $497,500. The poverty rate is 4.8%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Rockingham County Quick Facts

Population 319,082
Median Household Income $118,331
Median Home Value $497,500
Poverty Rate 4.8%
Unemployment Rate 3.5%
Median Age 45.0 years
Homeownership Rate 78.5%
Affordability Ratio 4.2x
Bachelor's Degree+ 45.7%
High School Graduation 96.1%
Cities/Places 11
Population 319,082 2nd of 10
Median Income $118,331 19% higher than state
Poverty Rate 4.8%
Unemployment 3.5%

How Rockingham County Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric2019–20232020–2024Change
Population317,163319,082+0.6%
Median household income$113,927$118,331+3.9%
Median home value$461,400$497,500+7.8%

Economy & Housing

Household Income Distribution

Under $25K 8.1%
$25K-$50K 10.0%
$50K-$100K 23.7%
$100K+ 58.2%
Detailed income brackets
Under $10K
2.8%
$10K-$15K
1.4%
$15K-$20K
2.1%
$20K-$25K
1.8%
$25K-$30K
1.9%
$30K-$35K
2.1%
$35K-$40K
1.9%
$40K-$45K
1.8%
$45K-$50K
2.3%
$50K-$60K
4.8%
$60K-$75K
7.5%
$75K-$100K
11.4%
$100K-$125K
11.1%
$125K-$150K
9.3%
$150K-$200K
14.8%
$200K+
23.0%

Employment

3.5% Unemployment Rate State: 3.4%|National: 5.2%
67.9% Labor Force Participation

Housing Overview

Owner 78.5%
Renter 21.6%
Affordability Index Moderate
4.2x home value to income ratio
Median gross rent $1,687/mo 17.1% of median household income annually

People & Demographics

Diversity Index

20out of 100
Very Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 24 | National average: 61

Education

Cities & Places in Rockingham County

CityPopulationMedian IncomePovertyHome Value
Portsmouth22,545$106,2196.8%$688,500
Derry21,339$91,6734.3%$391,200
Londonderry12,225$119,5712.9%$469,500
Hampton10,101$97,1634.0%$545,300
Exeter9,964$87,3465.9%$357,500
Newmarket5,679$87,1966.9%$423,500
Raymond3,645$73,0667.1%$314,900
Epping2,796$95,2732.5%$384,800
Hampton Beach2,605$82,5578.2%$508,900
Seabrook Beach1,001$93,5717.8%$920,900
Newfields294$185,7691.0%$484,100

Population Overview

Rockingham County is located in New Hampshire with a total population of 319,082. It is the 2nd most populous county out of 10 in New Hampshire. The county encompasses 11 Census-designated places.

Age Demographics

The median age in Rockingham County is 45.0 years. This is 4% higher than the state median of 43.3 years.

Economy, Income & Housing

The median household income in Rockingham County is $118,331. This is 19% higher than the state median of $99,031. It is also 47% higher than the national median of $80,734. The poverty rate stands at 4.8%. This is 34% lower than the state poverty rate of 7.2%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 3.5%. This is 6% higher than the state rate of 3.4%. The median home value is $497,500. Housing costs are 24% higher than the state median of $402,500. The home-value-to-income ratio is 4.2x. 78.5% of occupied housing units are owner-occupied. This homeownership rate is 8% higher than the state average of 72.8%.

Race & Ethnicity

Rockingham County has a predominantly White (non-Hispanic) population, comprising 89.5% of all residents. Hispanic or Latino residents account for 3.7%. The Black or African American population (0.7%) is well below the state average of 1.3%.

Education

45.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 12% higher than the state rate of 40.6%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 96.1%. Notably, 17.2% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All figures for Rockingham County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against New Hampshire and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.

Frequently Asked Questions

What is the population of Rockingham County, New Hampshire?

Rockingham County has a population of 319,082, making it the 2nd most populous county in New Hampshire.

What is the median income in Rockingham County?

The median household income in Rockingham County is $118,331 with a poverty rate of 4.8%.

How many cities are in Rockingham County, New Hampshire?

Rockingham County contains 11 Census-designated places.