RANKING · 2020 CENSUS · 26 SHOWN OF 26

Largest households, New Hampshire cities · 2020

New Hampshire cities ranked by average household size (2020 ACS). This list covers the 26 cities in New Hampshire that qualify, ranked against each other statewide. The median across all 26 is 2.29.

New HampshireAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros ZIP codes

YEAR2010 2020 2024

RANKPLACESTATEPOPAVERAGE HOUSEHOLD SIZEVS 2010

01South Hooksett, NHNH5,9022.75−1%

02Londonderry, NHNH12,2252.70−5%

03Durham, NHNH10,6812.51+2%

04Derry, NHNH21,3392.45−5%

05Hooksett, NHNH5,8762.41+11%

06Nashua, NHNH92,4352.400%

07Hudson, NHNH7,4692.38−5%

08Rochester, NHNH33,7162.37−1%

09Claremont, NHNH13,0322.36+5%

10Hampton, NHNH10,1012.35+4%

11Manchester, NHNH116,8182.33−2%

12Lebanon, NHNH15,4812.31+4%

13Somersworth, NHNH12,1712.29−9%

14Concord, NHNH44,5972.28+4%

15Milford, NHNH8,9562.27−7%

16Laconia, NHNH17,2462.27+4%

17Hanover, NHNH8,4792.23−4%

18Dover, NHNH34,6232.23−2%

19Suncook, NHNH5,4322.22−4%

20Franklin, NHNH8,8392.15−16%

21Keene, NHNH23,0722.14−7%

22Exeter, NHNH9,9642.12−3%

23Berlin, NHNH9,5022.11+3%

24Newmarket, NHNH5,6792.11−5%

25Portsmouth, NHNH23,0282.070%

26East Merrimack, NHNH5,0811.99−9%

SHOWING 1–26 OF 26

Download CSV (full list, 26 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS