RANKING · 2020 CENSUS · 65 SHOWN OF 65

Largest by population, Connecticut cities · 2020

The most populous Connecticut cities as of the 2020 population estimates. This list covers the 65 cities in Connecticut that qualify, ranked against each other statewide.

ConnecticutAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros ZIP codes

RELATEDFastest growing Fastest shrinking Most population gained Most population lost Most densely populated Most sparsely populated

YEAR1990 2000 2010 2020 2025

RANKPLACESTATETOTAL POPULATIONVS 2000

01Bridgeport, CTCT148,654+7%

02Stamford, CTCT135,470+16%

03New Haven, CTCT134,023+8%

04Hartford, CTCT121,054−0%

05Waterbury, CTCT114,403+7%

06Norwalk, CTCT91,184+10%

07Danbury, CTCT86,518+16%

08New Britain, CTCT74,135+4%

09West Hartford, CTCT64,083+1%

10Meriden, CTCT60,850+4%

11Bristol, CTCT60,833+1%

12West Haven, CTCT55,584+6%

13East Hartford, CTCT51,045+3%

14Milford, CTCT50,558−0%

15Middletown, CTCT47,717+11%

16Shelton, CTCT40,869+7%

17Norwich, CTCT40,125+11%

18Manchester, CTCT36,379–

19Torrington, CTCT35,515+1%

20Naugatuck, CTCT31,519+2%

21Newington, CTCT30,536+4%

22East Haven, CTCT27,923−1%

23New London, CTCT27,367+7%

24Wethersfield, CTCT27,298+4%

25North Haven, CTCT24,253+5%

26Ansonia, CTCT18,918+2%

27Wallingford Center, CTCT18,278+4%

28Willimantic, CTCT18,149+15%

29Storrs, CTCT15,979+45%

30Orange, CTCT14,280+8%

31Greenwich, CTCT13,836–

32Windsor Locks, CTCT12,613+5%

33Derby, CTCT12,325−1%

34Bethel, CTCT11,582+27%

35Kensington, CTCT9,962+17%

36Trumbull Center, CTCT9,746–

37Oakville, CTCT9,504+10%

38Groton, CTCT9,387−6%

39Sandy Hook, CTCT9,114–

40Conning Towers-Nautilus Park, CTCT8,870−13%

41Riverside, CTCT8,843–

42Thompsonville, CTCT8,514+5%

43Glastonbury Center, CTCT8,459+18%

44Long Hill CDP (Greater Bridgeport County), CTCT8,039–

45Rockville, CTCT7,920+3%

46Southwood Acres, CTCT7,879−2%

47Ridgefield, CTCT7,596+5%

48Winsted, CTCT7,192−2%

49New Milford, CTCT7,160+8%

50Putnam, CTCT7,065–

51Old Greenwich, CTCT6,962–

52Staples, CTCT6,954–

53Cos Cob, CTCT6,873–

54Hazardville, CTCT6,870+40%

55Cheshire, CTCT6,499+12%

56Simsbury Center, CTCT6,268+12%

57New Canaan, CTCT6,220–

58Daniels Farm, CTCT6,150–

59Northford, CTCT6,082–

60Branford Center, CTCT6,026+5%

61Portland, CTCT5,813+5%

62Pawcatuck, CTCT5,433−1%

63Sherwood Manor, CTCT5,372−6%

64Noroton, CTCT5,317–

65Terryville, CTCT5,202−3%

SHOWING 1–65 OF 65

Download CSV (full list, 65 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS