Rockingham   County NH United States

County FIPS 33015
Largest City Portsmouth
State New Hampshire
Latitude 42.9876
Longitude -71.1254
Population 319,082
Density 458.94 people per square mile
Time Zone America/New York
  • All demographic data comes from the 2024 American Community Survey (5-year study).
  • Learn more about each field.
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Household Income

Median household: $118,331
Median individual: $55,406

Race

Mode: 90.6% White

Gender

 50.3% female 

Rent

  $1687 / month  

Median house value: $500,412.0

Age

Median: 45.0 years old

Education

With at least college degree: 45.7%
With STEM degree: 47.4%

Marital Status

 55.1% married 

Never married: 27.2%

Labor Force Participation

 67.9% working 

Unemployed: 3.6%

Average Family Size

 2.98 people 

Commute Time

 28.9 minutes 

Health Care

 4.1% uninsured 

Poverty

 4.8%

All data comes from the SimpleMaps US Counties Database, 2026.

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