RANKING · 2010 CENSUS · 51 SHOWN OF 51

Fastest shrinking, Connecticut cities · 2010

Connecticut cities with the steepest population decline from the 2000 census to 2010. This list covers the 51 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

01Conning Towers-Nautilus Park, CTCT8,460-13.7%−16.0 pts

02Hazardville, CTCT6,022-6.1%−0.8 pts

03Southwood Acres, CTCT8,115-5.1%+4.9 pts

04Sherwood Manor, CTCT5,706-4.9%+5.6 pts

05Rockville, CTCT7,072-3.0%–

06New Milford, CTCT8,188-1.7%−16.5 pts

07Kensington, CTCT9,962-1.0%−3.8 pts

08West Hartford, CTCT63,620-0.5%−6.3 pts

09Cheshire, CTCT6,172-0.1%−0.6 pts

10Terryville, CTCT5,461+0.5%+1.7 pts

11Bristol, CTCT62,341+0.7%+1.6 pts

12Milford, CTCT51,215+1.3%–

13Branford Center, CTCT6,305+1.5%+0.6 pts

14Wethersfield, CTCT27,250+1.5%−0.9 pts

15New Britain, CTCT76,286+2.3%+7.6 pts

16Hartford, CTCT121,981+2.6%+15.6 pts

17Pawcatuck, CTCT5,577+2.7%−0.8 pts

18Naugatuck, CTCT32,230+2.8%+1.6 pts

19Waterbury, CTCT115,771+2.9%+4.4 pts

20Norwalk, CTCT94,508+3.2%−2.7 pts

21Glastonbury Center, CTCT7,266+3.2%+2.2 pts

22Torrington, CTCT35,796+3.4%−1.1 pts

23Bridgeport, CTCT152,273+3.4%+4.9 pts

24East Hartford, CTCT50,918+3.4%+5.1 pts

25Ansonia, CTCT19,216+3.7%+2.9 pts

26Windsor Locks, CTCT12,579+3.8%+6.3 pts

27Groton, CTCT10,160+3.8%+2.0 pts

28East Haven, CTCT27,806+3.8%−4.0 pts

29Shelton, CTCT42,880+3.8%−3.7 pts

30Wallingford Center, CTCT18,208+4.0%+5.8 pts

31Derby, CTCT12,925+4.1%+2.6 pts

32Simsbury Center, CTCT6,198+4.2%+4.2 pts

33Newington, CTCT30,896+4.3%+4.0 pts

34Meriden, CTCT60,810+4.5%+6.6 pts

35Bethel, CTCT11,404+4.5%+1.1 pts

36North Haven, CTCT24,336+4.6%+1.1 pts

37Stamford, CTCT139,535+4.7%−3.6 pts

38New Haven, CTCT138,774+5.0%+10.2 pts

39Oakville, CTCT9,276+5.0%+6.4 pts

40Winsted, CTCT6,977+5.3%+16.6 pts

41Orange, CTCT14,315+5.5%+2.3 pts

42Thompsonville, CTCT7,927+5.6%+9.5 pts

43Portland, CTCT5,944+5.9%+7.9 pts

44Ridgefield, CTCT6,970+6.0%−7.3 pts

45West Haven, CTCT55,351+6.1%+9.2 pts

46New London, CTCT28,003+7.6%+17.6 pts

47Danbury, CTCT89,033+8.1%−6.0 pts

48Middletown, CTCT48,439+10.4%+9.4 pts

49Willimantic, CTCT18,096+12.1%–

50Norwich, CTCT40,001+12.1%+15.5 pts

51Storrs, CTCT15,207+39.5%+49.4 pts

SHOWING 1–51 OF 51

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS