RANKING · 2020 CENSUS · 65 SHOWN OF 65

Most densely populated, Connecticut cities · 2020

Connecticut cities ranked by residents per square mile (2023). This list covers the 65 cities in Connecticut that qualify, ranked against each other statewide.

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SAME RANKING BYCounties States Metros

RELATEDLargest by population Fastest growing Fastest shrinking Most sparsely populated Best broadband access Worst broadband access

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION DENSITYVS 2000

01Bridgeport, CTCT152,2739,254+7%

02New Haven, CTCT138,7747,171+8%

03Hartford, CTCT121,9816,966−0%

04New Britain, CTCT76,2865,534+4%

05West Haven, CTCT55,3515,171+6%

06New London, CTCT28,0034,881+7%

07Rockville, CTCT7,0724,307+3%

08Thompsonville, CTCT7,9274,184+5%

09New Canaan, CTCT6,8964,015–

10Waterbury, CTCT115,7714,006+7%

11Norwalk, CTCT94,5083,984+10%

12Manchester, CTCT36,7593,939–

13Riverside, CTCT8,9543,653–

14Stamford, CTCT139,5353,600+16%

15Old Greenwich, CTCT6,9363,490–

16Willimantic, CTCT18,0963,348+15%

17Branford Center, CTCT6,3053,228+5%

18Cos Cob, CTCT7,5463,194–

19Ansonia, CTCT19,2163,143+2%

20Groton, CTCT10,1603,045−6%

21Noroton, CTCT5,5392,946–

22West Hartford, CTCT63,6202,934+1%

23Greenwich, CTCT14,7922,857–

24East Hartford, CTCT50,9182,835+3%

25Meriden, CTCT60,8102,564+4%

26Wallingford Center, CTCT18,2082,518+4%

27Long Hill CDP (Greater Bridgeport County), CTCT8,6812,485–

28Derby, CTCT12,9252,438−1%

29Oakville, CTCT9,2762,390+10%

30Newington, CTCT30,8962,324+4%

31Milford, CTCT51,2152,308−0%

32Bristol, CTCT62,3412,304+1%

33East Haven, CTCT27,8062,271−1%

34Wethersfield, CTCT27,2502,219+4%

35Storrs, CTCT15,2072,144+45%

36Danbury, CTCT89,0332,059+16%

37Naugatuck, CTCT32,2301,924+2%

38Terryville, CTCT5,4611,884−3%

39Bethel, CTCT11,4041,879+27%

40Putnam, CTCT7,1201,812–

41New Milford, CTCT8,1881,761+8%

42Trumbull Center, CTCT10,2641,709–

43Glastonbury Center, CTCT7,2661,708+18%

44Conning Towers-Nautilus Park, CTCT8,4601,706−13%

45Kensington, CTCT9,9621,662+17%

46Cheshire, CTCT6,1721,624+12%

47Staples, CTCT7,3401,599–

48Pawcatuck, CTCT5,5771,592−1%

49Southwood Acres, CTCT8,1151,483−2%

50Winsted, CTCT6,9771,473−2%

51Norwich, CTCT40,0011,430+11%

52Sherwood Manor, CTCT5,7061,427−6%

53Windsor Locks, CTCT12,5791,398+5%

54Simsbury Center, CTCT6,1981,374+12%

55Shelton, CTCT42,8801,334+7%

56Daniels Farm, CTCT5,9761,261–

57Ridgefield, CTCT6,9701,214+5%

58Hazardville, CTCT6,0221,211+40%

59North Haven, CTCT24,3361,164+5%

60Middletown, CTCT48,4391,163+11%

61Portland, CTCT5,944970+5%

62Torrington, CTCT35,796893+1%

63Orange, CTCT14,315831+8%

64Northford, CTCT6,186762–

65Sandy Hook, CTCT9,863567–

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES