2020 Child Asthma Data: Prevalence Tables
| State | Age Group | Sample Sized | Prevalence (Percent) | Standard Error | 95% CIe (Percent) | Weighted Numberc | 95% CIe Weighted Numberc |
|---|---|---|---|---|---|---|---|
| Totalf | 0-4 | 9,638 | 6.0 | 0.70 | (4.8–7.6) | 799,779 | (612,301–987,258) |
| Totalf | 5-9 | 10,529 | 11.1 | 0.76 | (9.7–12.6) | 1,470,674 | (1,264,498–1,676,850) |
| Totalf | 10-14 | 16,570 | 13.6 | 0.67 | (12.3–14.9) | 1,812,088 | (1,628,232–1,995,945) |
| Totalf | 15-17 | 10,619 | 16.3 | 0.93 | (14.6–18.2) | 1,338,411 | (1,178,055–1,498,766) |
| CA | 0-4 | 199 | 8.6 | 2.85 | (4.5–16.1) | 207,611 | (65,599–349,624) |
| CA | 5-9 | 193 | 8.5 | 2.27 | (4.9–14.1) | 207,948 | (95,171–320,726) |
| CA | 10-14 | 333 | 11.3 | 2.06 | (7.8–16.0) | 298,373 | (188,463–408,282) |
| CA | 15-17 | 184 | 12.7 | 3.01 | (7.8–19.8) | 161,396 | (82,573–240,218) |
| CT | 0-4 | 319 | 16.5 | 4.13 | (9.9–26.3) | 29,995 | (13,540–46,450) |
| CT | 5-9 | 438 | 18.7 | 3.46 | (12.8–26.4) | 33,209 | (19,582–46,835) |
| CT | 10-14 | 660 | 18.7 | 2.76 | (13.9–24.7) | 36,699 | (25,424–47,974) |
| CT | 15-17 | 438 | 18.3 | 2.74 | (13.5–24.3) | 24,513 | (17,197–31,829) |
| DC | 0-4 | 122 | 4.6 | 2.44 | (1.6–12.6) | 2,047 | (0–4,244) |
| DC | 5-9 | 186 | 14.0 | 3.41 | (8.5–22.1) | 5,310 | (2,557–8,064) |
| DC | 10-14 | 123 | 22.4 | 4.40 | (14.9–32.1) | 6,686 | (3,812–9,560) |
| DC | 15-17 | 114 | 14.4 | 3.84 | (8.4–23.6) | 2,853 | (1,273–4,434) |
| FL | 0-4 | 326 | 6.0 | 2.46 | (2.7–13.1) | 66,990 | (11,785–122,194) |
| FL | 5-9 | 411 | 10.5 | 2.62 | (6.4–16.9) | 113,390 | (56,839–169,942) |
| FL | 10-14 | 659 | 12.8 | 2.47 | (8.7–18.4) | 141,492 | (86,168–196,815) |
| FL | 15-17 | 330 | 11.6 | 3.20 | (6.6–19.4) | 87,125 | (37,140–137,110) |
| GA | 0-4 | 304 | 11.3 | 3.34 | (6.2–19.7) | 74,736 | (28,394–121,079) |
| GA | 5-9 | 409 | 14.9 | 3.24 | (9.6–22.5) | 95,201 | (51,343–139,060) |
| GA | 10-14 | 585 | 18.0 | 2.32 | (13.9–23.0) | 116,657 | (85,795–147,518) |
| GA | 15-17 | 431 | 24.9 | 4.19 | (17.6–33.9) | 107,665 | (64,289–151,040) |
| HI | 0-4 | 404 | 6.6 | 1.65 | (4.0–10.7) | 5,497 | (2,726–8,268) |
| HI | 5-9 | 329 | 14.5 | 2.58 | (10.1–20.3) | 12,312 | (7,705–16,919) |
| HI | 10-14 | 590 | 17.7 | 2.14 | (13.9–22.3) | 13,257 | (9,875–16,639) |
| HI | 15-17 | 249 | 17.6 | 3.32 | (12.0–25.1) | 8,358 | (5,013–11,703) |
| IN | 0-4 | 313 | 4.9 | 1.40 | (2.8–8.5) | 20,413 | (8,839–31,987) |
| IN | 5-9 | 404 | 7.7 | 1.40 | (5.4–10.9) | 30,919 | (19,701–42,136) |
| IN | 10-14 | 649 | 8.3 | 1.18 | (6.3–10.9) | 33,100 | (23,699–42,500) |
| IN | 15-17 | 352 | 16.1 | 2.45 | (11.9–21.5) | 42,649 | (28,887–56,411) |
| KS | 0-4 | 501 | 4.2 | 1.26 | (2.3–7.5) | 7,880 | (3,185–12,575) |
| KS | 5-9 | 560 | 12.6 | 1.78 | (9.5–16.5) | 22,837 | (16,174–29,500) |
| KS | 10-14 | 815 | 10.9 | 1.26 | (8.6–13.6) | 19,999 | (15,348–24,650) |
| KS | 15-17 | 466 | 17.7 | 2.21 | (13.8–22.5) | 20,614 | (15,213–26,015) |
| KY | 0-4 | 175 | (.–.) | 5,487 | (.–.) | ||
| KY | 5-9 | 195 | 9.5 | 2.84 | (5.2–16.7) | 23,741 | (9,292–38,190) |
| KY | 10-14 | 281 | 16.0 | 3.04 | (10.9–22.9) | 46,712 | (27,691–65,732) |
| KY | 15-17 | 139 | 12.9 | 3.29 | (7.7–20.8) | 17,609 | (8,416–26,801) |
| ME | 0-4 | 313 | 5.7 | 2.32 | (2.6–12.4) | 3,383 | (617–6,148) |
| ME | 5-9 | 334 | 11.4 | 2.36 | (7.5–16.9) | 6,933 | (3,972–9,894) |
| ME | 10-14 | 531 | 19.6 | 2.60 | (15.0–25.2) | 12,298 | (8,799–15,797) |
| ME | 15-17 | 342 | 11.6 | 2.13 | (8.0–16.4) | 4,769 | (3,020–6,518) |
| MA | 0-4 | 137 | 7.4 | 2.80 | (3.5–15.1) | 22,966 | (5,297–40,636) |
| MA | 5-9 | 122 | 14.2 | 4.38 | (7.6–25.1) | 46,240 | (16,142–76,339) |
| MA | 10-14 | 161 | 13.4 | 4.12 | (7.2–23.7) | 36,217 | (12,360–60,075) |
| MA | 15-17 | 175 | 17.2 | 3.93 | (10.8–26.3) | 47,452 | (24,755–70,148) |
| MI | 0-4 | 334 | 4.4 | 1.32 | (2.4–7.8) | 23,508 | (9,535–37,480) |
| MI | 5-9 | 356 | 13.0 | 2.00 | (9.6–17.4) | 70,764 | (48,823–92,704) |
| MI | 10-14 | 405 | 16.6 | 2.33 | (12.5–21.7) | 94,638 | (66,773–122,503) |
| MI | 15-17 | 362 | 16.6 | 2.88 | (11.7–23.0) | 62,469 | (38,803–86,136) |
| MN | 0-4 | 653 | 1.7 | 0.48 | (0.9–2.9) | 5,845 | (2,491–9,199) |
| MN | 5-9 | 769 | 6.2 | 1.11 | (4.3–8.8) | 21,973 | (14,022–29,925) |
| MN | 10-14 | 1,413 | 10.1 | 1.05 | (8.2–12.4) | 33,837 | (26,725–40,949) |
| MN | 15-17 | 833 | 10.3 | 1.73 | (7.3–14.2) | 21,743 | (14,276–29,210) |
| MS | 0-4 | 332 | 8.2 | 1.77 | (5.4–12.5) | 14,041 | (8,018–20,063) |
| MS | 5-9 | 328 | 8.5 | 1.68 | (5.7–12.4) | 14,874 | (8,956–20,792) |
| MS | 10-14 | 410 | 19.2 | 2.55 | (14.6–24.7) | 36,273 | (26,168–46,378) |
| MS | 15-17 | 287 | 21.7 | 4.67 | (13.9–32.2) | 26,577 | (12,926–40,227) |
| MO | 0-4 | 472 | 5.8 | 1.49 | (3.5–9.5) | 19,674 | (9,559–29,789) |
| MO | 5-9 | 388 | 11.6 | 2.07 | (8.1–16.3) | 41,876 | (26,418–57,335) |
| MO | 10-14 | 610 | 13.1 | 1.80 | (9.9–17.0) | 46,087 | (32,884–59,290) |
| MO | 15-17 | 363 | 21.4 | 2.99 | (16.1–27.8) | 50,176 | (34,500–65,851) |
| MT | 0-4 | 266 | 2.7 | 1.07 | (1.2–5.8) | 1,705 | (382–3,029) |
| MT | 5-9 | 367 | 11.0 | 2.53 | (6.9–17.0) | 6,627 | (3,416–9,839) |
| MT | 10-14 | 479 | 9.5 | 1.49 | (7.0–12.9) | 5,718 | (3,958–7,478) |
| MT | 15-17 | 276 | 17.3 | 2.65 | (12.7–23.1) | 6,644 | (4,598–8,690) |
| NE | 0-4 | 724 | 3.1 | 1.09 | (1.6–6.1) | 4,054 | (1,228–6,880) |
| NE | 5-9 | 678 | 5.8 | 1.32 | (3.7–9.0) | 7,603 | (4,132–11,074) |
| NE | 10-14 | 1,154 | 9.3 | 1.24 | (7.1–12.0) | 11,844 | (8,626–15,062) |
| NE | 15-17 | 821 | 13.8 | 1.87 | (10.5–17.9) | 10,745 | (7,719–13,772) |
| NV | 0-4 | 75 | (.–.) | 0 | (.–.) | ||
| NV | 5-9 | 116 | 7.3 | 3.23 | (3.0–16.7) | 13,671 | (1,713–25,630) |
| NV | 10-14 | 154 | 10.4 | 3.29 | (5.5–18.8) | 19,927 | (7,150–32,703) |
| NV | 15-17 | 103 | 23.5 | 6.84 | (12.8–39.3) | 22,475 | (7,186–37,765) |
| NH | 0-4 | 141 | 5.3 | 2.70 | (1.9–13.8) | 3,334 | (0–6,767) |
| NH | 5-9 | 224 | 11.5 | 2.51 | (7.4–17.4) | 7,362 | (4,187–10,537) |
| NH | 10-14 | 345 | 17.2 | 2.61 | (12.7–23.0) | 11,701 | (7,856–15,546) |
| NH | 15-17 | 228 | 15.1 | 2.60 | (10.6–20.9) | 7,009 | (4,545–9,472) |
| NJ | 0-4 | 505 | 8.2 | 2.09 | (5.0–13.4) | 40,041 | (19,063–61,018) |
| NJ | 5-9 | 459 | 8.3 | 1.56 | (5.7–12.0) | 42,161 | (26,252–58,069) |
| NJ | 10-14 | 726 | 17.9 | 1.91 | (14.5–22.0) | 84,733 | (65,398–104,068) |
| NJ | 15-17 | 513 | 14.8 | 1.85 | (11.5–18.8) | 45,867 | (34,137–57,598) |
| NM | 0-4 | 273 | 2.9 | 1.22 | (1.3–6.5) | 3,635 | (671–6,599) |
| NM | 5-9 | 306 | 13.2 | 3.02 | (8.3–20.3) | 16,648 | (8,742–24,553) |
| NM | 10-14 | 616 | 13.3 | 2.28 | (9.5–18.5) | 16,045 | (10,416–21,674) |
| NM | 15-17 | 280 | 14.6 | 3.91 | (8.5–24.0) | 12,062 | (5,263–18,861) |
| NY | 0-4 | 205 | 5.8 | 2.16 | (2.7–11.8) | 61,156 | (15,249–107,062) |
| NY | 5-9 | 309 | 11.2 | 2.26 | (7.5–16.5) | 113,160 | (67,997–158,322) |
| NY | 10-14 | 287 | 15.8 | 2.82 | (11.0–22.1) | 170,032 | (106,928–233,137) |
| NY | 15-17 | 177 | 19.5 | 3.87 | (13.0–28.2) | 124,752 | (73,548–175,957) |
| OH | 0-4 | 631 | 4.7 | 1.25 | (2.8–7.9) | 30,121 | (14,361–45,882) |
| OH | 5-9 | 557 | 10.4 | 2.21 | (6.8–15.6) | 71,180 | (40,041–102,319) |
| OH | 10-14 | 933 | 11.7 | 1.46 | (9.1–14.9) | 77,949 | (58,295–97,603) |
| OH | 15-17 | 743 | 15.8 | 1.92 | (12.4–20.0) | 64,012 | (47,699–80,326) |
| PA | 0-4 | 221 | 5.3 | 2.05 | (2.4–11.1) | 34,020 | (7,397–60,644) |
| PA | 5-9 | 228 | 14.1 | 3.23 | (8.9–21.7) | 99,646 | (51,256–148,037) |
| PA | 10-14 | 315 | 20.7 | 3.79 | (14.2–29.1) | 144,853 | (84,051–205,655) |
| PA | 15-17 | 361 | 17.3 | 3.08 | (12.0–24.1) | 72,364 | (44,586–100,142) |
| RI | 0-4 | 199 | 7.1 | 2.92 | (3.1–15.4) | 3,676 | (618–6,733) |
| RI | 5-9 | 195 | 15.1 | 3.35 | (9.6–22.9) | 8,104 | (4,345–11,864) |
| RI | 10-14 | 387 | 20.5 | 2.86 | (15.5–26.7) | 10,806 | (7,558–14,054) |
| RI | 15-17 | 223 | 18.2 | 3.89 | (11.7–27.0) | 6,646 | (3,586–9,706) |
| TX | 0-4 | 489 | 4.4 | 1.72 | (2.1–9.3) | 90,671 | (20,395–160,947) |
| TX | 5-9 | 474 | 14.0 | 2.98 | (9.1–20.9) | 286,218 | (158,890–413,546) |
| TX | 10-14 | 1,040 | 11.6 | 2.08 | (8.2–16.4) | 213,968 | (134,790–293,146) |
| TX | 15-17 | 486 | 16.7 | 3.47 | (10.9–24.6) | 205,268 | (113,505–297,031) |
| UT | 0-4 | 606 | 3.1 | 0.95 | (1.7–5.6) | 7,928 | (3,019–12,837) |
| UT | 5-9 | 647 | 9.9 | 1.35 | (7.5–12.8) | 25,665 | (18,535–32,795) |
| UT | 10-14 | 1,200 | 9.8 | 1.14 | (7.7–12.2) | 24,617 | (18,701–30,533) |
| UT | 15-17 | 839 | 14.6 | 1.52 | (11.9–17.9) | 22,352 | (17,509–27,194) |
| VT | 0-4 | 212 | (.–.) | 393 | (.–.) | ||
| VT | 5-9 | 322 | 9.1 | 1.71 | (6.2–13.0) | 2,678 | (1,679–3,677) |
| VT | 10-14 | 415 | 14.9 | 2.49 | (10.6–20.4) | 4,467 | (2,921–6,013) |
| VT | 15-17 | 273 | 22.3 | 3.62 | (16.0–30.2) | 4,728 | (3,015–6,441) |
| WI | 0-4 | 187 | 2.7 | 1.88 | (0.7–10.2) | 8,972 | (0–21,412) |
| WI | 5-9 | 225 | 7.0 | 2.34 | (3.6–13.2) | 22,422 | (7,407–37,438) |
| WI | 10-14 | 294 | 12.5 | 2.98 | (7.7–19.6) | 43,105 | (22,345–63,864) |
| WI | 15-17 | 231 | 21.7 | 4.96 | (13.5–32.9) | 47,519 | (22,226–72,813) |
| Territories | |||||||
| PR | 0-4 | 238 | 6.3 | 1.74 | (3.7–10.7) | 10,899 | (4,887–16,911) |
| PR | 5-9 | 286 | 19.2 | 2.56 | (14.6–24.7) | 37,047 | (26,473–47,620) |
| PR | 10-14 | 409 | 16.2 | 2.02 | (12.7–20.6) | 29,094 | (21,558–36,630) |
| PR | 15-17 | 236 | 12.2 | 2.37 | (8.3–17.7) | 17,515 | (10,490–24,539) |
Notes: For additional information on methods and variable description, refer to “Technical Information, available at: https://www.cdc.gov/asthma/brfss/2020/child/brfsschildtechinfo.html
aAged 0-17
bLifetime question: Has a doctor, nurse or other health professional ever said that the child has asthma?
cWeighted number of respondents who answered the lifetime asthma question
dUnweighted number of respondents who answered the lifetime asthma question
eCI denotes confidence interval
fTotal includes data from 30 states and DC, but excludes Puerto Rico
‘.–./blank’: Suppressed if the normal approximation to the binomial distribution does not apply due to small sample size or relative standard error (RSE)>30%
Asthma and Community Health Branch, National Center for Environmental Health
Centers for Disease Control and Prevention
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Page last reviewed: April 25, 2022
Content source: National Center for Environmental Health