Ranking of New Hampshire Counties By Population in 2011

Updated on July 26, 2024.

Based on the US Census Vintage data estimates, in 2011, the Population for New Hampshire was 1.32M. Among all New Hampshire counties, Hillsborough County had the highest population (402.83K), followed by Rockingham County (296.24K), and Merrimack County (146.89K).

The chart below shows the top 10 counties, and the table below shows the ranking of all New Hampshire counties.

You can see similar ranking information for related topics, and for other states. You can also see the ranking of all counties in the United States.

See this for other years:
Ranking of New Hampshire Counties By Population in 2011
Hillsborough
Rockingham
Merrimack
Strafford
Grafton
Cheshire
Belknap
Carroll
Sullivan
Coos
Ranking of New Hampshire Counties By Population in 2011
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Rank County Population
1 Hillsborough County 402832
2 Rockingham County 296241
3 Merrimack County 146894
4 Strafford County 124157
5 Grafton County 89304
6 Cheshire County 76965
7 Belknap County 60339
8 Carroll County 47691
9 Sullivan County 43509
10 Coos County 32512