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NHNew Hampshire rankings

Towns losing population in New Hampshire

Ranked by population loss between the 2010 and 2020 censuses. 26 towns with 2,500+ residents.

U.S. Census ACS 2020–2024 5-year

Lancaster 1 Lancaster Coos County −8.2% 2010 census 3,507 Berlin 2 Berlin −6.2% 2010 census 10,051 3 Charlestown Sullivan County −6.0% 2010 census 5,114
#TownChange 2010–20202010 census2020 census
1 Lancaster LancasterCoos County · 3,216 people −8.2% 3,507 3,218
2 Berlin Berlin9,383 people −6.2% 10,051 9,425
3 CharlestownSullivan County · 4,889 people −6.0% 5,114 4,806
4 Gorham GorhamCoos County · 2,682 people −5.3% 2,848 2,698
5 PlymouthGrafton County · 6,601 people −4.4% 6,990 6,682
6 Map of Winchester WinchesterCheshire County · 4,212 people −4.4% 4,341 4,150
7 SeabrookRockingham County · 8,427 people −3.4% 8,693 8,401
8 Map of Newport NewportSullivan County · 6,375 people −3.2% 6,507 6,299
9 Map of Claremont Claremont13,078 people −3.0% 13,355 12,949
10 Conway ConwayCarroll County · 10,141 people −2.9% 10,115 9,822
11 Map of Canaan CanaanGrafton County · 3,811 people −2.9% 3,909 3,794
12 Walpole WalpoleCheshire County · 3,690 people −2.7% 3,734 3,633
13 EnfieldGrafton County · 4,475 people −2.6% 4,582 4,465
14 JaffreyCheshire County · 5,448 people −2.5% 5,457 5,320
15 Milton MiltonStrafford County · 4,538 people −2.5% 4,598 4,482
16 HaverhillGrafton County · 4,611 people −2.4% 4,697 4,585
17 Map of Hinsdale HinsdaleCheshire County · 3,997 people −2.4% 4,046 3,948
18 BethlehemGrafton County · 2,537 people −1.7% 2,526 2,484
19 Keene Keene22,939 people −1.5% 23,409 23,047
20 TamworthCarroll County · 2,884 people −1.5% 2,856 2,812
21 ChesterfieldCheshire County · 3,622 people −1.4% 3,604 3,552
22 Map of Hillsborough HillsboroughHillsborough County · 5,980 people −1.2% 6,011 5,939
23 Map of Farmington FarmingtonStrafford County · 6,795 people −0.9% 6,786 6,722
24 Map of Pittsfield PittsfieldMerrimack County · 4,105 people −0.8% 4,106 4,075
25 Map of Sunapee SunapeeSullivan County · 3,416 people −0.7% 3,365 3,342
26 Map of Belmont BelmontBelknap County · 7,392 people −0.6% 7,356 7,314

How this ranking works

We rank every town by population loss between the 2010 and 2020 censuses. Only towns that shrank are listed. The town with the lowest figure ranks #1. For comparison, the figure for New Hampshire as a whole is +4.6%.

Only towns with at least 2,500 residents are ranked; Census estimates for smaller places are too uncertain. Population and income: U.S. Census Bureau American Community Survey 5-year estimates. Town photos: Wikimedia Commons, credited on each town’s page.

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