In 2019, Rockingham County, NH had a population of 310k people with a median age of 44.7 and a median household income of $91,249. Between 2018 and 2019 the population of Rockingham County, NH grew from 309,176 to 309,769, a 0.192% increase and its median household income declined from $95,160 to $91,249, a −4.11% decrease.
The 5 largest ethnic groups in Rockingham County, NH are White (Non-Hispanic) (93.2%), Asian (Non-Hispanic) (1.72%), Two+ (Non-Hispanic) (1.61%), White (Hispanic) (1.47%), and Black or African American (Non-Hispanic) (0.738%). 0% of the households in Rockingham County, NH speak a non-English language at home as their primary language.
97.9% of the residents in Rockingham County, NH are U.S. citizens.
The largest universities in Rockingham County, NH are Great Bay Community College (334 degrees awarded in 2020) and Paul Mitchell the School-Portsmouth (33 degrees).
In 2019, the median property value in Rockingham County, NH was $360,500, and the homeownership rate was 77.8%. Most people in Rockingham County, NH drove alone to work, and the average commute time was 28.2 minutes. The average car ownership in Rockingham County, NH was 2 cars per household.
Rockingham County, NH borders York County, ME, Essex County, MA, Hillsborough County, NH, Merrimack County, NH, and Strafford County, NH.