Belknap County, New Hampshire
Located in New Hampshire, Belknap County has a population of 64,659 residents and a median age of 48.4 years, making it the #855 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 8.5%. The median home value is $374,900, and the median household income is $92,783, which is 23% above the national median.
Demographics
Belknap County has a population of 64,659, making it the #855 most populous county in the US. The median age is 48.4 years, which is 24.4% above the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Belknap County is $92,783, ranking #256 out of 3,222 counties — 23.5% above the national median. The poverty rate is 8.5% and unemployment stands at 3.1%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Belknap County is $374,900 (+33.0% vs national). Renters pay a median of $1,167/mo and the homeownership rate is 80.1%.
Median Home Value Trend
Rankings →Household Type
Education
In Belknap County, 33.6% of adults age 25+ hold a bachelor's degree or higher, which is 0.4% below the national average, ranking #542 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Belknap County is 77.4 years. 14.6% of adults report poor or fair health and 6.9% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
15.1% of adults in Belknap County smoke , 30.3% are obese , and 22.4% report excessive drinking. The drug overdose death rate is 31.4 per 100,000.
Adult Smoking Trend
Safety
The suicide rate is 18.1 per 100,000. Motor vehicle deaths occur at a rate of 10.8 per 100,000.
Suicide Rate Trend
Families & Children
10.7% of children in Belknap County live in poverty . The teen birth rate is 7.1 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Belknap County is 77.8%. The mean commute time is 27.7 min, which is 0.5% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Belknap County voted Republican with a margin of 13.0%. The vote was 43.1% Dem / 56.1% Rep. Compared to 2020, the margin shifted 2.6 toward Republicans .
Vote Share Over Time
About Belknap County, New Hampshire
Belknap County, New Hampshire has a total population of 64,659, making it the 855th most populous county in the United States. The median age in Belknap County is 48.4 years, which is 24.4% above the national median of 38.9 years.
The median household income in Belknap County is $92,783, which ranks #256 of 3,222 counties nationwide. This is 23.5% above the national median of $75,149. The poverty rate is 8.5%, lower than the national rate of 12.6%. The unemployment rate stands at 3.1%.
The median home value in Belknap County is $374,900, 33.0% above the national median. Renters in Belknap County pay a median gross rent of $1,167 per month. The homeownership rate is 80.1%, compared to the national rate of 64.4%.
In Belknap County, 33.6% of residents aged 25 and older hold a bachelor's degree or higher, 0.4% below the national average of 33.7%. Health insurance coverage stands at 94.1% of the population. The average commute time for workers is 27.7 min.
Belknap County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 92.7% of the population, followed by Two or More Races (2.8%) and Hispanic or Latino (2.3%).
All data for Belknap County, New Hampshire comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.