Youngest Cities in New Hampshire

The top 25 of 28 New Hampshire cities on GIS Map, ranked by lowest median age.

#	City	County	Median age	Population
1	Durham	Strafford	20.1 years	10,681
2	Hanover	Grafton	21.8 years	8,479
3	Plymouth	Grafton	22.8 years	4,969
4	Littleton	Grafton	34.4 years	4,114
5	Goffstown	Hillsborough	34.6 years	3,490
6	Milford	Hillsborough	36.7 years	8,956
7	Dover	Strafford	36.9 years	33,364
8	Keene	Cheshire	37.6 years	22,939
9	Manchester	Hillsborough	38 years	115,643
10	Somersworth	Strafford	38.4 years	12,111
11	Lebanon	Grafton	38.9 years	14,999
12	Nashua	Hillsborough	40 years	91,294
13	Concord	Merrimack	40.7 years	44,375
14	Derry	Rockingham	41 years	21,339
15	Londonderry	Rockingham	42.4 years	12,225
16	Claremont	Sullivan	42.6 years	13,078
17	Hooksett	Merrimack	42.6 years	5,876
18	Portsmouth	Rockingham	42.9 years	22,545
19	Rochester	Strafford	43 years	33,144
20	Exeter	Rockingham	43.8 years	9,964
21	Berlin	Coos	44.6 years	9,383
22	Laconia	Belknap	45.3 years	17,085
23	Hudson	Hillsborough	46.3 years	7,469
24	Hampton	Rockingham	51.2 years	10,101
25	Conway	Carroll	54.2 years	3,879

Top New Hampshire Counties

Counties ranked by lowest median age.

1. Strafford County38.2 years 2. Hillsborough County41 years 3. Merrimack County42.9 years 4. Cheshire County43.6 years 5. Grafton County44.1 years 6. Rockingham County45 years 7. Sullivan County47 years 8. Belknap County48.4 years 9. Coos County50.3 years 10. Carroll County54.6 years

Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates. Only cities covered by GIS Map with at least 1,000 residents are ranked. Estimates carry margins of error.

Citing this page: GIS Map, “Youngest Cities in New Hampshire”, https://gismap.land/rankings/new-hampshire/youngest-cities. Figures from U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.

Youngest Cities in New Hampshire

Top New Hampshire Counties

More New Hampshire rankings