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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 Data, Archived Most Recent Data
State or Territory Data
State or Territory
Adult Current Asthma1 Prevalence by State or Territory (2021)
| State or Territory | Number With Current Asthma | Percent With Current Asthma (SE) |
|---|---|---|
| Alabama | 394,199 | 10.1 (0.62) |
| Alaska | 49,453 | 9.0 (0.58) |
| Arizona | 519,749 | 9.4 (0.39) |
| Arkansas | 207,857 | 9.0 (0.62) |
| California | 2,694,396 | 8.8 (0.45) |
| Colorado | 476,932 | 10.4 (0.37) |
| Connecticut | 300,910 | 10.5 (0.48) |
| Delaware | 77,695 | 9.8 (0.69) |
| District of Columbia | 64,298 | 11.6 (0.82) |
| Florida | —2 | —2 |
| Georgia | 772,663 | 9.4 (0.51) |
| Hawaii | 92,849 | 8.1 (0.43) |
| Idaho | 138,516 | 9.8 (0.46) |
| Illinois | 860,395 | 8.7 (0.70) |
| Indiana | 536,397 | 10.3 (0.39) |
| Iowa | 224,466 | 9.1 (0.41) |
| Kansas | 235,953 | 10.6 (0.31) |
| Kentucky | 408,801 | 11.7 (0.59) |
| Louisiana | 344,842 | 9.7 (0.60) |
| Maine | 138,396 | 12.5 (0.47) |
| Maryland | 451,158 | 9.4 (0.35) |
| Massachusetts | 661,306 | 11.7 (0.52) |
| Michigan | 908,568 | 11.5 (0.45) |
| Minnesota | 387,219 | 8.8 (0.28) |
| Mississippi | 226,646 | 10.0 (0.67) |
| Missouri | 449,253 | 9.4 (0.42) |
| Montana | 83,698 | 9.7 (0.48) |
| Nebraska | 122,491 | 8.2 (0.33) |
| Nevada | 223,954 | 9.1 (0.80) |
| New Hampshire | 136,025 | 12.1 (0.60) |
| New Jersey | 646,963 | 8.9 (0.46) |
| New Mexico | 173,518 | 10.6 (0.53) |
| New York | 1,563,485 | 9.8 (0.28) |
| North Carolina | 717,344 | 8.7 (0.51) |
| North Dakota | 50,012 | 8.4 (0.50) |
| Ohio | 955,568 | 10.4 (0.38) |
| Oklahoma | 326,087 | 10.9 (0.54) |
| Oregon | 377,851 | 11.2 (0.53) |
| Pennsylvania | 1,062,292 | 10.3 (0.51) |
| Rhode Island | 111,498 | 12.6 (0.62) |
| South Carolina | 372,607 | 9.2 (0.45) |
| South Dakota | 55,927 | 8.3 (0.78) |
| Tennessee | 558,276 | 10.3 (0.59) |
| Texas | 1,854,306 | 8.4 (0.45) |
| Utah | 231,080 | 9.7 (0.38) |
| Vermont | 61,465 | 11.8 (0.61) |
| Virginia | 661,945 | 9.8 (0.41) |
| Washington | 641,131 | 10.5 (0.36) |
| West Virginia | 171,141 | 12.1 (0.50) |
| Wisconsin | 498,228 | 10.8 (0.59) |
| Wyoming | 43,188 | 9.7 (0.67) |
| Guam | 4,997 | 4.7 (0.78) |
| Puerto Rico | 311,148 | 11.4 (0.66) |
| Virgin Islands | 3,920 | 5.0 (1.02) |
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?"
2Minimum data collection requirements were not met.
Source: 2021 Behavioral Risk Factor Surveillance System (BRFSS).
State
Asthma Mortality by State (2021)
| State | Number of Deaths1 | Crude Death Rate (SE)1 Per Million | Adjusted Death Rate (SE)1,2 Per Million |
|---|---|---|---|
| Alabama | 67 | 13.3 (1.62) | 11.6 (1.46) |
| Alaska | 11 | —3 (4.53) | —3 (4.87) |
| Arizona | 89 | 12.2 (1.30) | 10.3 (1.12) |
| Arkansas | 37 | 12.2 (2.01) | 11.2 (1.90) |
| California | 352 | 9.0 (0.48) | 8.2 (0.44) |
| Colorado | 49 | 8.4 (1.20) | 7.6 (1.11) |
| Connecticut | 35 | 9.7 (1.64) | 8.5 (1.50) |
| Delaware | 15 | —3 (3.86) | —3 (3.73) |
| District of Columbia | 14 | —3 (5.58) | —3 (5.64) |
| Florida | 204 | 9.4 (0.66) | 8.0 (0.59) |
| Georgia | 107 | 9.9 (0.96) | 9.4 (0.93) |
| Hawaii | 24 | 16.7 (3.40) | 13.7 (2.91) |
| Idaho | 16 | —3 (2.10) | —3 (1.99) |
| Illinois | 124 | 9.8 (0.88) | 9.1 (0.83) |
| Indiana | 70 | 10.3 (1.23) | 9.4 (1.15) |
| Iowa | 39 | 12.2 (1.96) | 11.1 (1.84) |
| Kansas | 37 | 12.6 (2.07) | 12.5 (2.10) |
| Kentucky | 22 | 4.9 (1.04) | 4.0 (0.89) |
| Louisiana | 45 | 9.7 (1.45) | 9.3 (1.42) |
| Maine | —4 | —4 | —4 |
| Maryland | 79 | 12.8 (1.44) | 11.2 (1.29) |
| Massachusetts | 78 | 11.2 (1.26) | 9.8 (1.15) |
| Michigan | 94 | 9.4 (0.96) | 8.6 (0.92) |
| Minnesota | 58 | 10.2 (1.33) | 8.5 (1.15) |
| Mississippi | 45 | 15.3 (2.27) | 15.3 (2.32) |
| Missouri | 75 | 12.2 (1.40) | 11.5 (1.36) |
| Montana | —4 | —4 | —4 |
| Nebraska | 25 | 12.7 (2.55) | 11.4 (2.33) |
| Nevada | 28 | 8.9 (1.68) | 8.3 (1.61) |
| New Hampshire | 11 | —3 (2.39) | —3 (2.47) |
| New Jersey | 119 | 12.8 (1.18) | 11.8 (1.11) |
| New Mexico | 26 | 12.3 (2.41) | 10.3 (2.07) |
| New York | 248 | 12.5 (0.79) | 10.6 (0.69) |
| North Carolina | 108 | 10.2 (0.98) | 8.9 (0.88) |
| North Dakota | 10 | —3 (4.08) | —3 (4.52) |
| Ohio | 124 | 10.5 (0.95) | 9.8 (0.91) |
| Oklahoma | 47 | 11.8 (1.72) | 11.0 (1.64) |
| Oregon | 67 | 15.8 (1.93) | 13.0 (1.64) |
| Pennsylvania | 143 | 11.0 (0.92) | 9.3 (0.82) |
| Rhode Island | —4 | —4 | —4 |
| South Carolina | 71 | 13.7 (1.62) | 12.3 (1.52) |
| South Dakota | —4 | —4 | —4 |
| Tennessee | 83 | 11.9 (1.31) | 11.3 (1.27) |
| Texas | 295 | 10.0 (0.58) | 10.1 (0.60) |
| Utah | 24 | 7.2 (1.47) | 8.6 (1.78) |
| Vermont | —4 | —4 | —4 |
| Virginia | 85 | 9.8 (1.07) | 9.1 (1.01) |
| Washington | 85 | 11.0 (1.19) | 10.1 (1.11) |
| West Virginia | 16 | —3 (2.24) | —3 (1.98) |
| Wisconsin | 67 | 11.4 (1.39) | 10.1 (1.26) |
| Wyoming | 10 | —3 (5.46) | —3 (4.75) |
| Total | 3,517 | 10.6 (0.18) | 9.5 (0.16) |
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 when the number of deaths is 9 or fewer.
Source: CDC/NCHS, Division of Vital Statistics CDC Wonder
