RANKING · 2022 ACS · 51 SHOWN OF 51

Most vulnerable to extreme heat, US states

US states ranked by the share of people with three or more risk factors that make it hardest to cope with extreme heat in 2022, from the Census Bureau's experimental Community Resilience Estimates for Heat (experimental, modeled data). Alaska leads at 37.9%. 51 states qualify in total.

All statesAll rankings

SAME RANKING BYCounties

RANKPLACESTATEPOPHEAT VULNERABILITY RATEVS –

USUnited States331,097,59325.3%–

01Alaska, AKAK735,70637.9%–

02New Mexico, NMNM2,120,24632.7%–

03New York, NYNY19,852,36630.3%–

04Mississippi, MSMS2,946,77930.0%–

05Hawaii, HIHI1,445,23529.8%–

06California, CACA39,287,37729.5%–

07Montana, MTMT1,116,87529.3%–

08Louisiana, LALA4,611,96128.3%–

09West Virginia, WVWV1,778,37328.2%–

10Wyoming, WYWY582,39728.1%–

11Arkansas, ARAR3,049,39127.8%–

12Oregon, OROR4,254,29327.7%–

13Washington, WAWA7,816,11627.7%–

14Alabama, ALAL5,086,76827.4%–

15Maine, MEME1,387,81727.0%–

16Nevada, NVNV3,184,61226.4%–

17Vermont, VTVT647,10626.4%–

18Florida, FLFL22,416,07726.2%–

19Idaho, IDID1,934,26225.9%–

20Oklahoma, OKOK4,028,63425.9%–

21Arizona, AZAZ7,378,83825.5%–

22Texas, TXTX30,188,42425.3%–

23South Carolina, SCSC5,296,22525.1%–

24Kentucky, KYKY4,534,82425.0%–

25District of Columbia, DCDC681,29424.9%–

26Tennessee, TNTN7,066,38324.6%–

27Pennsylvania, PAPA13,018,63924.6%–

28North Carolina, NCNC10,730,40424.2%–

29New Jersey, NJNJ9,343,80924.1%–

30Michigan, MIMI10,077,76124.0%–

31Illinois, ILIL12,694,79823.1%–

32Delaware, DEDE1,021,19122.9%–

33Massachusetts, MAMA7,044,05622.8%–

34Rhode Island, RIRI1,101,80122.8%–

35Georgia, GAGA10,940,40722.7%–

36Ohio, OHOH11,810,29322.6%–

37Connecticut, CTCT3,624,50822.3%–

38South Dakota, SDSD907,42822.3%–

39Colorado, COCO5,862,18922.3%–

40Missouri, MOMO6,191,81422.2%–

41Indiana, ININ6,851,07322.1%–

42New Hampshire, NHNH1,394,86821.9%–

43Wisconsin, WIWI5,914,87221.8%–

44Maryland, MDMD6,206,01121.4%–

45Kansas, KSKS2,947,19721.3%–

46Virginia, VAVA8,705,17020.9%–

47North Dakota, NDND784,84120.6%–

48Nebraska, NENE1,978,70720.2%–

49Iowa, IAIA3,210,50720.0%–

50Minnesota, MNMN5,739,44519.7%–

51Utah, UTUT3,392,33118.3%–

SHOWING 1–51 OF 51

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

Frequently asked

Which state has the highest heat vulnerability rate?

Alaska ranks #1 with 37.9% (2022 American Community Survey).

What are the top 5 states by heat vulnerability rate?

Alaska, New Mexico, New York, Mississippi, Hawaii.

How many states are in this ranking?

51 states qualify after filtering for population minimums and data availability. The ranking covers 2022 ACS 5-year data.

How is heat vulnerability rate measured?

Share of people estimated to have three or more of the risk factors that make it hardest to prepare for and recover from extreme heat, from the Census Bureau's experimental Community Resilience Estimates for Heat. Source: US Census Bureau, American Community Survey 5-year estimates (2022).