In 2019, Grafton County, NH had a population of 89.8k people with a median age of 43.2 and a median household income of $63,389. Between 2018 and 2019 the population of Grafton County, NH declined from 89,811 to 89,777, a −0.0379% decrease and its median household income grew from $63,153 to $63,389, a 0.374% increase.
The 5 largest ethnic groups in Grafton County, NH are White (Non-Hispanic) (90.6%), Asian (Non-Hispanic) (3.67%), Two+ (Non-Hispanic) (1.91%), White (Hispanic) (1.6%), and Black or African American (Non-Hispanic) (1.03%). 0% of the households in Grafton County, NH speak a non-English language at home as their primary language, and 96.4% of the residents in Grafton County, NH are U.S. citizens.
In 2019, the median property value in Grafton County, NH was $220,300, and the homeownership rate was 69.3%. Most people in Grafton County, NH drove alone to work, and the average commute time was 22.2 minutes. The average car ownership in Grafton County, NH was 2 cars per household.