New Hampshire Citizen Voting-age Population By County in 2024 (ACS-5Yrs)

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2024, the citizen voting-age population for New Hampshire was 1,109,601 and represented 79.55% of the total New Hampshire population.

Among all New Hampshire counties, Hillsborough had the highest citizen voting-age population (325.45K), followed by Rockingham (254.89K), and Merrimack (125.27K).

In terms of percentages, Carroll had the highest percentage of its population being citizens of voting-age (84.93%), followed by Coos (82.60%), and Grafton (82.04%).

The chart and table below shows the citizen voting-age population of each county and the percentage of each county's population that were citizens of voting-age.

You can see similar information for other states and by state for the United States.