RANKING · 2024 ACS · 65 SHOWN OF 65

Fastest growing, Connecticut cities

Connecticut cities ranked by population growth from the 2020 census to 2024. This list covers the 65 cities in Connecticut that qualify, ranked against each other statewide.

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SAME RANKING BYCounties States Metros

YEAR2000 2010 2020 2024

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01New Milford, CTCT8,188+14.4%−0.5 pts

02New Canaan, CTCT6,896+10.9%–

03Cos Cob, CTCT7,546+9.8%–

04Sandy Hook, CTCT9,863+8.2%–

05Long Hill CDP (Greater Bridgeport County), CTCT8,681+8.0%–

06Greenwich, CTCT14,792+6.9%–

07Sherwood Manor, CTCT5,706+6.2%+16.7 pts

08Staples, CTCT7,340+5.6%–

09Trumbull Center, CTCT10,264+5.3%–

10Terryville, CTCT5,461+5.0%+6.2 pts

11Branford Center, CTCT6,305+4.6%+3.8 pts

12Noroton, CTCT5,539+4.2%–

13Southwood Acres, CTCT8,115+3.0%+13.0 pts

14Pawcatuck, CTCT5,577+2.7%−0.8 pts

15Shelton, CTCT42,880+2.5%−5.1 pts

16Portland, CTCT5,944+2.3%+4.2 pts

17Northford, CTCT6,186+1.7%–

18Derby, CTCT12,925+1.3%−0.3 pts

19Riverside, CTCT8,954+1.3%–

20Stamford, CTCT139,535+1.2%−7.1 pts

21Newington, CTCT30,896+1.2%+0.8 pts

22Norwalk, CTCT94,508+1.1%−4.8 pts

23Groton, CTCT10,160+1.1%−0.7 pts

24Manchester, CTCT36,759+1.0%–

25Bristol, CTCT62,341+1.0%+2.0 pts

26New London, CTCT28,003+0.9%+11.0 pts

27Milford, CTCT51,215+0.9%–

28Naugatuck, CTCT32,230+0.9%−0.3 pts

29Danbury, CTCT89,033+0.9%−13.3 pts

30Putnam, CTCT7,120+0.8%–

31Ansonia, CTCT19,216+0.6%−0.2 pts

32Middletown, CTCT48,439+0.5%−0.4 pts

33Waterbury, CTCT115,771+0.4%+2.0 pts

34North Haven, CTCT24,336+0.3%−3.2 pts

35Bridgeport, CTCT152,273+0.3%+1.9 pts

36Orange, CTCT14,315+0.2%−2.9 pts

37New Haven, CTCT138,774+0.2%+5.5 pts

38New Britain, CTCT76,286+0.1%+5.4 pts

39Torrington, CTCT35,796+0.1%−4.4 pts

40Hartford, CTCT121,981+0.1%+13.1 pts

41Kensington, CTCT9,9620.0%−2.8 pts

42Wethersfield, CTCT27,250-0.2%−2.6 pts

43East Hartford, CTCT50,918-0.2%+1.5 pts

44Windsor Locks, CTCT12,579-0.3%+2.3 pts

45Willimantic, CTCT18,096-0.3%–

46Old Greenwich, CTCT6,936-0.4%–

47Norwich, CTCT40,001-0.4%+3.0 pts

48Wallingford Center, CTCT18,208-0.4%+1.4 pts

49East Haven, CTCT27,806-0.4%−8.2 pts

50West Haven, CTCT55,351-0.4%+2.7 pts

51Meriden, CTCT60,810-0.5%+1.6 pts

52West Hartford, CTCT63,620-0.7%−6.5 pts

53Simsbury Center, CTCT6,198-1.1%−1.0 pts

54Bethel, CTCT11,404-1.5%−5.0 pts

55Oakville, CTCT9,276-2.4%−1.0 pts

56Daniels Farm, CTCT5,976-2.8%–

57Winsted, CTCT6,977-3.0%+8.3 pts

58Conning Towers-Nautilus Park, CTCT8,460-4.6%−6.9 pts

59Storrs, CTCT15,207-4.8%+5.0 pts

60Cheshire, CTCT6,172-5.0%−5.6 pts

61Thompsonville, CTCT7,927-6.9%−3.0 pts

62Ridgefield, CTCT6,970-8.2%−21.6 pts

63Rockville, CTCT7,072-10.7%–

64Hazardville, CTCT6,022-12.3%−7.0 pts

65Glastonbury Center, CTCT7,266-14.1%−15.2 pts

SHOWING 1–65 OF 65

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES