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Current asthma: U.S. states ranked (2024)

Measure: Current asthma. All 49 states and District of Columbia with data in Chronic conditions by state, ranked from highest to lowest. Reference period: 2024.

Licence: Public domain (U.S. federal government work).
Data last updated: 2026-10-29

Download full table CSV Source: CDC, Behavioral Risk Factor Surveillance System (opens in a new tab)

Small states, hard to see on the map:

DC 11.4 %
RI 12.2 %
DE 10.9 %
CT 11.7 %
NJ 10 %
MD 10.2 %
MA 11.6 %
VT 12.2 %
NH 12.8 %

Lowest: 8.1 to 9.5 %
Group 2: 9.5 to 10.3 %
Group 3: 10.3 to 11.1 %
Group 4: 11.1 to 12.2 %
Highest: 12.2 to 14.2 %

The map is a visual summary; every value is in the table below, which is the keyboard and screen-reader path. Groups are quintiles of the values shown (a derived grouping). Boundaries: Natural Earth (public domain), simplified. Alaska and Hawaii are shown as insets, not to scale.

Rank is derived by Quadranac: 1 = highest value; ties share a rank. Values are as published in the source table.


1	Oregon	14.2
2	West Virginia	14.1
3	Maine	13.9
4	New Hampshire	12.8
5	Kentucky	12.7
5	Michigan	12.7
7	Oklahoma	12.5
8	Montana	12.3
9	Rhode Island	12.2
9	Vermont	12.2
11	Pennsylvania	12
12	Colorado	11.7
12	Connecticut	11.7
14	Massachusetts	11.6
14	Ohio	11.6
16	Utah	11.5
17	District of Columbia	11.4
17	Kansas	11.4
19	Wisconsin	11.3
20	Arizona	11.1
20	Arkansas	11.1
22	Indiana	11
23	Alabama	10.9
23	Delaware	10.9
23	Washington	10.9
26	Alaska	10.8
26	Virginia	10.8
28	New York	10.7
29	New Mexico	10.4
30	Missouri	10.3
30	Wyoming	10.3
32	Illinois	10.2
32	Maryland	10.2
34	Louisiana	10.1
35	Georgia	10
35	New Jersey	10
37	Idaho	9.8
38	North Dakota	9.7
38	South Carolina	9.7
40	Hawaii	9.5
40	Nebraska	9.5
42	Iowa	9.4
43	Minnesota	9.3
43	North Carolina	9.3
45	Florida	9.1
45	Mississippi	9.1
47	South Dakota	9
48	Nevada	8.6
48	Texas	8.6
50	California	8.1

Source: CDC, Behavioral Risk Factor Surveillance System, BRFSS Prevalence Data (2011 to present), data.cdc.gov dataset dttw-5yxu. Reference period: 2024.

Cite this ranking

U.S. states ranked by current asthma (2024). Data: CDC, Behavioral Risk Factor Surveillance System (BRFSS), BRFSS Prevalence Data (2011 to present), data.cdc.gov dataset dttw-5yxu; rank derived by Quadranac. Data last updated 2026-10-29. https://quadranac.com/rankings/us-states-by-current-asthma/

Download source table CSV All rankings