Table 2.
State estimated autism spectrum disorder prevalence among adults ages 18–84 years, cases, and associated 95% simulation interval
| State | Cases | 95% SI | Prevalence | 95% SI |
|---|---|---|---|---|
| Alabama | 78,072 | 61,527, 96,435 | 2.12 | 1.67, 2.61 |
| Alaska | 12,000 | 9559, 14,849 | 2.19 | 1.74, 2.71 |
| Arizona | 119,924 | 95,618, 147,485 | 2.29 | 1.82, 2.81 |
| Arkansas | 45,569 | 35,644, 56,735 | 2.03 | 1.59, 2.53 |
| California | 701,669 | 563,358, 863,471 | 2.36 | 1.89, 2.90 |
| Colorado | 96,917 | 78,736, 117,790 | 2.28 | 1.85, 2.77 |
| Connecticut | 65,337 | 51,985, 81,354 | 2.37 | 1.89, 2.96 |
| Delaware | 16,683 | 13,191, 20,742 | 2.26 | 1.79, 2.81 |
| District of Columbia | 11,700 | 9281, 14,425 | 2.10 | 1.67, 2.59 |
| Florida | 329,131 | 259,573, 407,473 | 2.03 | 1.60, 2.51 |
| Georgia | 174,612 | 139,616, 213,983 | 2.25 | 1.80, 2.75 |
| Hawaii | 22,797 | 18,103, 28,324 | 2.11 | 1.67, 2.62 |
| Idaho | 27,094 | 21,741, 33,212 | 2.18 | 1.75, 2.67 |
| Illinois | 223,353 | 178,832, 274,414 | 2.32 | 1.86, 2.85 |
| Indiana | 111,067 | 88,717, 136,349 | 2.24 | 1.79, 2.75 |
| Iowa | 53,243 | 43,024, 64,598 | 2.28 | 1.84, 2.77 |
| Kansas | 46,863 | 37,387, 57,849 | 2.19 | 1.75, 2.71 |
| Kentucky | 71,791 | 56,959, 88,657 | 2.13 | 1.69, 2.64 |
| Louisiana | 68,819 | 54,071, 85,662 | 1.97 | 1.55, 2.45 |
| Maine | 23,910 | 19,244, 29,167 | 2.28 | 1.83, 2.78 |
| Maryland | 98,200 | 78,844, 118,940 | 2.14 | 1.72, 2.59 |
| Massachusetts | 129,168 | 103,105, 159,372 | 2.42 | 1.93, 2.99 |
| Michigan | 164,360 | 130,831, 201,349 | 2.17 | 1.73, 2.66 |
| Minnesota | 97,881 | 80,695, 117,401 | 2.35 | 1.94, 2.82 |
| Mississippi | 45,911 | 35,708, 57,883 | 2.07 | 1.61, 2.61 |
| Missouri | 97,377 | 77,500, 119,708 | 2.12 | 1.68, 2.60 |
| Montana | 16,969 | 13,404, 21,053 | 2.12 | 1.68, 2.63 |
| Nebraska | 31,417 | 25,045, 38,775 | 2.24 | 1.79, 2.77 |
| Nevada | 51,799 | 41,333, 63,725 | 2.28 | 1.82, 2.81 |
| New Hampshire | 23,442 | 19,085, 28,268 | 2.22 | 1.81, 2.68 |
| New Jersey | 157,245 | 127,036, 191,192 | 2.30 | 1.86, 2.80 |
| New Mexico | 31,207 | 24,166, 39,369 | 2.00 | 1.55, 2.52 |
| New York | 342,280 | 276,658, 417,725 | 2.25 | 1.82, 2.74 |
| North Carolina | 155,953 | 123,603, 192,285 | 2.00 | 1.59, 2.47 |
| North Dakota | 11,501 | 8967, 14,435 | 2.05 | 1.60, 2.57 |
| Ohio | 185,315 | 145,971, 228,939 | 2.11 | 1.66, 2.60 |
| Oklahoma | 61,672 | 49,304, 75,780 | 2.13 | 1.70, 2.61 |
| Oregon | 72,727 | 58,308, 89,294 | 2.28 | 1.83, 2.80 |
| Pennsylvania | 228,572 | 180,929, 284,166 | 2.33 | 1.85, 2.90 |
| Rhode Island | 18,472 | 15,116, 22,343 | 2.24 | 1.83, 2.71 |
| South Carolina | 75,985 | 58,887, 95,248 | 1.98 | 1.54, 2.48 |
| South Dakota | 12,830 | 9881, 16,286 | 2.02 | 1.56, 2.57 |
| Tennessee | 106,083 | 84,068, 131,132 | 2.08 | 1.65, 2.58 |
| Texas | 449,631 | 358,411, 556,627 | 2.19 | 1.74, 2.71 |
| Utah | 48,818 | 40,003, 58,452 | 2.28 | 1.87, 2.73 |
| Vermont | 10,435 | 8367, 12,764 | 2.12 | 1.70, 2.59 |
| Virginia | 155,557 | 125,110, 189,742 | 2.41 | 1.94, 2.94 |
| Washington | 119,815 | 95,514, 149,233 | 2.13 | 1.70, 2.65 |
| West Virginia | 29,083 | 22,748, 36,322 | 2.07 | 1.62, 2.58 |
| Wisconsin | 97,977 | 78,734, 119,841 | 2.23 | 1.80, 2.73 |
| Wyoming | 9758 | 7755, 12,036 | 2.26 | 1.79, 2.78 |
| Total | 5,437,988 | 4,798,561, 6,025,184 | 2.21 | 1.95, 2.45 |