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

RELATEDLargest by population Fastest shrinking Most population gained Most population lost Most densely populated Most sparsely populated

YEAR2000 2010 2020 2024

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01New Milford, CTCT8,188+14.4%−3%

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%−159%

08Staples, CTCT7,340+5.6%–

09Trumbull Center, CTCT10,264+5.3%–

10Terryville, CTCT5,461+5.0%−509%

11Branford Center, CTCT6,305+4.6%+460%

12Noroton, CTCT5,539+4.2%–

13Southwood Acres, CTCT8,115+3.0%−130%

14Pawcatuck, CTCT5,577+2.7%−24%

15Shelton, CTCT42,880+2.5%−67%

16Portland, CTCT5,944+2.3%−215%

17Northford, CTCT6,186+1.7%–

18Derby, CTCT12,925+1.3%−16%

19Riverside, CTCT8,954+1.3%–

20Stamford, CTCT139,535+1.2%−85%

21Newington, CTCT30,896+1.2%+251%

22Norwalk, CTCT94,508+1.1%−81%

23Groton, CTCT10,160+1.1%−38%

24Manchester, CTCT36,759+1.0%–

25Bristol, CTCT62,341+1.0%−208%

26New London, CTCT28,003+0.9%−109%

27Milford, CTCT51,215+0.9%–

28Naugatuck, CTCT32,230+0.9%−25%

29Danbury, CTCT89,033+0.9%−94%

30Putnam, CTCT7,120+0.8%–

31Ansonia, CTCT19,216+0.6%−26%

32Middletown, CTCT48,439+0.5%−47%

33Waterbury, CTCT115,771+0.4%−126%

34North Haven, CTCT24,336+0.3%−90%

35Bridgeport, CTCT152,273+0.3%−122%

36Orange, CTCT14,315+0.2%−92%

37New Haven, CTCT138,774+0.2%−105%

38New Britain, CTCT76,286+0.1%−102%

39Torrington, CTCT35,796+0.1%−98%

40Hartford, CTCT121,981+0.1%−100%

41Kensington, CTCT9,9620.0%−100%

42Wethersfield, CTCT27,250-0.2%−107%

43East Hartford, CTCT50,918-0.2%−86%

44Windsor Locks, CTCT12,579-0.3%−89%

45Willimantic, CTCT18,096-0.3%–

46Old Greenwich, CTCT6,936-0.4%–

47Norwich, CTCT40,001-0.4%−89%

48Wallingford Center, CTCT18,208-0.4%−79%

49East Haven, CTCT27,806-0.4%−105%

50West Haven, CTCT55,351-0.4%−86%

51Meriden, CTCT60,810-0.5%−76%

52West Hartford, CTCT63,620-0.7%−112%

53Simsbury Center, CTCT6,198-1.1%+1465%

54Bethel, CTCT11,404-1.5%−145%

55Oakville, CTCT9,276-2.4%+70%

56Daniels Farm, CTCT5,976-2.8%–

57Winsted, CTCT6,977-3.0%−74%

58Conning Towers-Nautilus Park, CTCT8,460-4.6%−303%

59Storrs, CTCT15,207-4.8%−51%

60Cheshire, CTCT6,172-5.0%−1066%

61Thompsonville, CTCT7,927-6.9%+75%

62Ridgefield, CTCT6,970-8.2%−162%

63Rockville, CTCT7,072-10.7%–

64Hazardville, CTCT6,022-12.3%+129%

65Glastonbury Center, CTCT7,266-14.1%−1432%

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES