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Rockingham County, New Hampshire Demographics 2026

Rockingham County, New Hampshire has a population of 317,163, the 2nd most populous county in New Hampshire. The median household income is $113,927 and the median home value is $461,400. The poverty rate is 4.8%.

Rockingham County Quick Facts

Population 317,163
Median Household Income $113,927
Median Home Value $461,400
Poverty Rate 4.8%
Unemployment Rate 3.5%
Median Age 44.8 years
Homeownership Rate 78.6%
Affordability Ratio 4.0x
Bachelor's Degree+ 44.8%
High School Graduation 96.1%
Cities/Places 1
Population 317,163 2nd of 10
Median Income $113,927 19% higher state
Poverty Rate 4.8%
Unemployment 3.5%

Economy & Housing

Employment

3.5% Unemployment Rate State: 3.4% | National: 5.2%
68.3% Labor Force Participation

Housing Overview

Owner 78.6%
Renter 21.4%
Affordability Index Moderate
4.0x home value to income ratio

People & Demographics

Diversity Index

19out of 100
Very Low Diversity

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

State average: 23 | National average: 60

Education

Cities & Places in Rockingham County

CityPopulationMedian IncomePovertyHome Value
Portsmouth city22,332$105,7565.5%$640,600

Population Overview

Rockingham County is located in New Hampshire with a total population of 317,163. It is the 2nd most populous county out of 10 in New Hampshire. The county encompasses 1 Census-designated place.

Age Demographics

The median age in Rockingham County is 44.8 years. This is 4% higher than the state median of 43.2 years.

Economy, Income & Housing

The median household income in Rockingham County is $113,927. This is 19% higher than the state median of $95,628. Compared to the national median of $78,538, household income here is 45% higher. The poverty rate stands at 4.8%. This is 33% 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 4% higher than the state rate of 3.4%. The median home value is $461,400. Housing costs are 26% higher than the state median of $367,200. The home-value-to-income ratio is 4.0x. 78.6% of occupied housing units are owner-occupied. This homeownership rate is 8% higher than the state average of 72.5%.

Race & Ethnicity

Rockingham County has a predominantly White (non-Hispanic) population, comprising 90.0% of all residents. Hispanic or Latino residents account for 3.5%.

Education

44.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 12% higher than the state rate of 39.8%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 96.1%. Notably, 17.0% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Frequently Asked Questions

What is the population of Rockingham County, New Hampshire?

Rockingham County has a population of 317,163, 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 $113,927 with a poverty rate of 4.8%.

How many cities are in Rockingham County, New Hampshire?

Rockingham County contains 1 Census-designated place.