RANKING · 2024 ACS · 10 SHOWN OF 10

Largest senior population, New Hampshire counties

New Hampshire counties home to the most residents aged 65 and over as of 2024. Ranked by number of people, not the senior share. This list covers the 10 counties in New Hampshire that qualify, ranked against each other statewide.

New HampshireAll states All rankings

SAME RANKING BYCities States Metros

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPRESIDENTS 65 AND OVERVS 2000

01Hillsborough County, NHNH433,41573,818+82%

02Rockingham County, NHNH324,07765,026+132%

03Merrimack County, NHNH158,07831,061+84%

04Strafford County, NHNH135,04322,652+80%

05Grafton County, NHNH93,22521,144+93%

06Cheshire County, NHNH78,26917,298+72%

07Carroll County, NHNH52,78416,002+105%

08Belknap County, NHNH65,14715,492+82%

09Sullivan County, NHNH43,96110,288+61%

10Coos County, NHNH31,3438,152+33%

SHOWING 1–10 OF 10

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES