New Hampshire Citizen Voting-age Population By County in 2016 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2016, the citizen voting-age population for New Hampshire was 1,027,630 and represented 77.41% of the total New Hampshire population.

Among all New Hampshire counties, Hillsborough had the highest citizen voting-age population (300.83K), followed by Rockingham (233.07K), and Merrimack (115.22K).

In terms of percentages, Coos had the highest percentage of its population being citizens of voting-age (82.33%), followed by Carroll (81.83%), and Cheshire (80.24%).

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.

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New Hampshire Citizen Voting-age Population By County in 2016
New Hampshire Citizen Voting-age Population By County in 2016
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County Citizen Voting-age Population % of County Population
Hillsborough 300825 74.29
Rockingham 233065 77.59
Merrimack 115215 78.00
Strafford 97920 77.77
Grafton 71500 80.19
Cheshire 61235 80.24
Belknap 48220 79.85
Carroll 38800 81.83
Sullivan 34330 79.74
Coos 26525 82.33