Most Recent Asthma State or Territory Data

These tables feature the latest national and state statistics on the burden of asthma among children and adults. The data are from national and state surveillance systems administered by the Centers for Disease Control and Prevention (CDC). Links to sources are provided with each table to assist with finding additional information on the data and relevant tables and reports.

See footnote for data source.

See also: National DataArchived Most Recent Data

State or Territory Data

State or Territory
Adult Current Asthma1 Prevalence by State or Territory (2020)
State or Territory Adult Current Asthma* Prevalence by State or Territory (2019)
State or Territory Number With Current Asthma Percent With Current Asthma (SE)
Alabama 341,720 9.0 (0.52)
Alaska 48,173 8.9 (0.78)
Arizona 550,729 9.6 (0.41)
Arkansas 210,340 9.1 (0.58)
California 2,848,466 9.3 (0.60)
Colorado 434,782 9.6 (0.35)
Connecticut 299,193 10.6 (0.51)
Delaware 83,428 10.8 (0.74)
District of Columbia 59,464 10.4 (0.71)
Florida 1,276,625 7.3 (0.45)
Georgia 736,912 9.0 (0.50)
Hawaii 96,890 8.8 (0.44)
Idaho 127,406 9.4 (0.56)
Illinois 832,244 8.5 (0.59)
Indiana 497,539 9.6 (0.39)
Iowa 220,085 9.1 (0.36)
Kansas 216,312 9.8 (0.39)
Kentucky 395,633 11.5 (0.65)
Louisiana 276,711 7.8 (0.53)
Maine 115,621 10.6 (0.47)
Maryland 420,686 8.9 (0.34)
Massachusetts 592,048 10.7 (0.50)
Michigan 859,534 11.0 (0.50)
Minnesota 369,238 8.5 (0.28)
Mississippi 201,273 8.9 (0.47)
Missouri 441,777 9.3 (0.42)
Montana 89,552 10.6 (0.49)
Nebraska 114,104 7.8 (0.34)
Nevada 230,431 9.5 (0.78)
New Hampshire 127,113 11.5 (0.56)
New Jersey 598,649 8.7 (0.35)
New Mexico 162,657 10.1 (0.58)
New York 1,449,094 9.5 (0.34)
North Carolina 645,784 7.8 (0.42)
North Dakota 49,883 8.6 (0.61)
Ohio 895,631 9.9 (0.36)
Oklahoma 322,759 10.8 (0.55)
Oregon 356,958 10.6 (0.48)
Pennsylvania 1,032,246 10.2 (0.56)
Rhode Island 103,190 12.1 (0.68)
South Carolina 385,741 9.4 (0.59)
South Dakota 53,990 8.1 (0.68)
Tennessee 552,156 10.3 (0.62)
Texas 1,617,392 7.4 (0.46)
Utah 249,663 10.8 (0.38)
Vermont 54,781 10.8 (0.60)
Virginia 571,162 8.6 (0.39)
Washington 579,774 9.6 (0.33)
West Virginia 175,011 12.4 (0.55)
Wisconsin 465,109 10.2 (0.63)
Wyoming 44,192 10.0 (0.65)
Guam 5,369 5.0 (0.96)
Puerto Rico 283,602 10.4 (0.74)

Abbreviation: SE = Standard Error.
1Persons who answered "yes" to the questions: "Have you EVER been told by a doctor or other health professional that you had asthma?" and "Do you still have asthma?"
Source: 2020 Behavioral Risk Factor Surveillance System (BRFSS).

State
Asthma Mortality by State (2020)
State Asthma Mortality by State (2019)
State Number of Deaths1 Crude Death Rate (SE)1 per Million Adjusted Death Rate (SE)1,2 per Million
Alabama 63 12.8 (1.61) 12.2 (1.59)
Alaska 15 3 (5.30) 3 (5.02)
Arizona 121 16.3 (1.48) 14.6 (1.37)
Arkansas 33 10.9 (1.90) 10.6 (1.90)
California 446 11.3 (0.54) 10.4 (0.50)
Colorado 58 10 (1.31) 9.0 (1.21)
Connecticut 43 12.1 (1.84) 10.0 (1.59)
Delaware 13 3 (3.65) 3 (3.44)
District of Columbia 14 3 (5.25) 3 (5.53)
Florida 227 10.4 (0.69) 8.9 (0.62)
Georgia 119 11.1 (1.02) 10.8 (1.01)
Hawaii 30 21.3 (3.89) 17.5 (3.36)
Idaho 23 12.6 (2.62) 11.1 (2.37)
Illinois 177 14.1 (1.06) 13.1 (1.01)
Indiana 79 11.7 (1.32) 10.6 (1.22)
Iowa 46 14.5 (2.14) 13.2 (2.02)
Kansas 35 12.0 (2.03) 11.3 (1.97)
Kentucky 42 9.4 (1.45) 8.7 (1.39)
Louisiana 47 10.1 (1.48) 9.5 (1.42)
Maine 15 3 (2.87) 3 (2.66)
Maryland 81 13.4 (1.49) 11.9 (1.36)
Massachusetts 84 12.2 (1.33) 10.3 (1.17)
Michigan 132 13.2 (1.15) 12.4 (1.12)
Minnesota 88 15.6 (1.66) 13.0 (1.43)
Mississippi 58 19.5 (2.57) 18.2 (2.45)
Missouri 59 9.6 (1.25) 9.2 (1.23)
Montana 4 4 4
Nebraska 27 13.9 (2.68) 11.5 (2.27)
Nevada 46 14.7 (2.16) 14.3 (2.14)
New Hampshire 12 3 (2.54) 3 (1.99)
New Jersey 138 15.5 (1.32) 13.1 (1.15)
New Mexico 39 18.5 (2.96) 16.0 (2.65)
New York 333 17.2 (0.94) 14.6 (0.83)
North Carolina 126 11.9 (1.06) 10.5 (0.96)
North Dakota 4 4 4
Ohio 144 12.3 (1.03) 11.3 (0.98)
Oklahoma 63 15.8 (1.99) 15.8 (2.04)
Oregon 57 13.4 (1.78) 12.0 (1.64)
Pennsylvania 166 13.0 (1.01) 11.0 (0.89)
Rhode Island 11 3 (3.14) 3 (2.18)
South Carolina 81 15.5 (1.72) 13.6 (1.56)
South Dakota 14 3 (4.19) 3 (3.94)
Tennessee 92 13.4 (1.39) 12.2 (1.31)
Texas 249 8.5 (0.54) 8.5 (0.54)
Utah 30 9.2 (1.69) 9.4 (1.73)
Vermont 4 4 4
Virginia 120 14.0 (1.28) 12.2 (1.14)
Washington 109 14.2 (1.36) 13.1 (1.28)
West Virginia 19 3 (2.44) 3 (2.14)
Wisconsin 85 14.6 (1.58) 12.7 (1.42)
Wyoming 11 3 (5.70) 3 (4.92)
Total 4,145 12.6 (0.20) 11.3 (0.18)

1Underlying cause of death is asthma (ICD-10 codes: J45–J46).
2Population-based rates are age-adjusted to the 2000 standard population.
  3Rates are unreliable when the number of deaths is less than 20.
  4Data are suppressed for sub-national geography when the number of deaths is 9 or fewer.

Source: CDC/NCHS, Division of Vital Statistics CDC Wonder

Page last reviewed: April 25, 2022