Carroll County, New Hampshire
Located in New Hampshire, Carroll County has a population of 51,804 residents and a median age of 54.6 years, making it the #989 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 7.6%. The median home value is $388,900, and the median household income is $86,463, which is 15% above the national median.
Demographics
Carroll County has a population of 51,804, making it the #989 most populous county in the US. The median age is 54.6 years, which is 40.4% 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 Carroll County is $86,463, ranking #391 out of 3,222 counties — 15.1% above the national median. The poverty rate is 7.6% and unemployment stands at 5.1%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Carroll County is $388,900 (+38.0% vs national). Renters pay a median of $1,195/mo and the homeownership rate is 83.4%.
Median Home Value Trend
Rankings →Household Type
Education
In Carroll County, 38.6% of adults age 25+ hold a bachelor's degree or higher, which is 14.7% above the national average, ranking #324 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Carroll County is 79.3 years. 13.7% of adults report poor or fair health and 8.3% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
14.6% of adults in Carroll County smoke , 28.5% are obese , and 23.7% report excessive drinking. The drug overdose death rate is 29.4 per 100,000.
Adult Smoking Trend
Safety
The suicide rate is 22.4 per 100,000. Motor vehicle deaths occur at a rate of 14.2 per 100,000.
Suicide Rate Trend
Families & Children
11.9% of children in Carroll County live in poverty . The teen birth rate is 8.1 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Carroll County is 81.7%. The mean commute time is 28.8 min, which is 4.4% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Carroll County voted Republican with a margin of 1.7%. The vote was 48.8% Dem / 50.5% Rep. Compared to 2020, the margin shifted 3.2 toward Republicans .
Vote Share Over Time
About Carroll County, New Hampshire
Carroll County, New Hampshire has a total population of 51,804, making it the 989th most populous county in the United States. The median age in Carroll County is 54.6 years, which is 40.4% above the national median of 38.9 years.
The median household income in Carroll County is $86,463, which ranks #391 of 3,222 counties nationwide. This is 15.1% above the national median of $75,149. The poverty rate is 7.6%, lower than the national rate of 12.6%. The unemployment rate stands at 5.1%.
The median home value in Carroll County is $388,900, 38.0% above the national median. Renters in Carroll County pay a median gross rent of $1,195 per month. The homeownership rate is 83.4%, compared to the national rate of 64.4%.
In Carroll County, 38.6% of residents aged 25 and older hold a bachelor's degree or higher, 14.7% above the national average of 33.7%. Health insurance coverage stands at 93.2% of the population. The average commute time for workers is 28.8 min.
Carroll County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 94.0% of the population, followed by Two or More Races (2.4%) and Hispanic or Latino (1.8%).
All data for Carroll 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.