2020 Child Asthma Data: Prevalence Tables
| State | Age Group | Sample Sized | Prevalence (Percent) | Standard Error | 95% CIe (Percent) | Weighted Numberc | 95% CIe Weighted Number |
|---|---|---|---|---|---|---|---|
| Totalf | 0-4 | 9,622 | 4.6 | 0.65 | (3.5–6.0) | 606,370 | (433,774–778,966) |
| Totalf | 5-9 | 10,496 | 7.9 | 0.67 | (6.7–9.4) | 1,052,654 | (871,166–1,234,143) |
| Totalf | 10-14 | 16,519 | 8.8 | 0.52 | (7.8–9.8) | 1,167,667 | (1,028,453–1,306,882) |
| Totalf | 15-17 | 10,569 | 9.2 | 0.66 | (7.9–10.5) | 749,151 | (640,218–858,085) |
| CA | 0-4 | 199 | 7.7 | 2.79 | (3.7–15.2) | 184,287 | (46,002–322,572) |
| CA | 5-9 | 193 | 7.3 | 2.20 | (4.0–13.0) | 180,391 | (71,404–289,379) |
| CA | 10-14 | 332 | 6.0 | 1.48 | (3.6–9.6) | 157,723 | (79,798–235,647) |
| CA | 15-17 | 183 | 6.0 | 1.94 | (3.2–11.1) | 75,960 | (27,357–124,563) |
| CT | 0-4 | 319 | 11.8 | 3.30 | (6.7–19.9) | 21,418 | (8,754–34,083) |
| CT | 5-9 | 437 | 11.8 | 2.44 | (7.8–17.5) | 20,542 | (11,851–29,233) |
| CT | 10-14 | 659 | 13.9 | 2.58 | (9.5–19.7) | 27,170 | (16,740–37,599) |
| CT | 15-17 | 436 | 8.6 | 1.75 | (5.8–12.7) | 11,516 | (6,945–16,086) |
| DC | 0-4 | 122 | 4.6 | 2.44 | (1.6–12.6) | 2,047 | (0–4,244) |
| DC | 5-9 | 185 | 11.3 | 3.30 | (6.3–19.6) | 4,281 | (1,653–6,910) |
| DC | 10-14 | 123 | 14.7 | 3.68 | (8.8–23.4) | 4,388 | (2,093–6,684) |
| DC | 15-17 | 113 | 8.4 | 3.14 | (3.9–17.0) | 1,645 | (391–2,898) |
| FL | 0-4 | 326 | 5.6 | 2.44 | (2.3–12.8) | 62,159 | (7,336–116,982) |
| FL | 5-9 | 410 | 5.7 | 1.90 | (3.0–10.8) | 61,876 | (21,361–102,392) |
| FL | 10-14 | 656 | 5.3 | 1.21 | (3.4–8.2) | 58,679 | (32,896–84,462) |
| FL | 15-17 | 329 | 7.6 | 2.76 | (3.7–15.1) | 57,086 | (14,660–99,512) |
| GA | 0-4 | 303 | 8.1 | 2.71 | (4.1–15.2) | 53,454 | (16,878–90,031) |
| GA | 5-9 | 409 | 11.3 | 3.05 | (6.5–18.8) | 71,858 | (31,134–112,582) |
| GA | 10-14 | 581 | 10.6 | 1.76 | (7.6–14.6) | 67,844 | (45,164–90,523) |
| GA | 15-17 | 428 | 8.9 | 2.12 | (5.5–14.0) | 38,289 | (19,873–56,705) |
| HI | 0-4 | 404 | 4.5 | 1.44 | (2.4–8.3) | 3,764 | (1,369–6,158) |
| HI | 5-9 | 328 | 9.4 | 1.93 | (6.3–14.0) | 7,984 | (4,677–11,291) |
| HI | 10-14 | 588 | 9.2 | 1.62 | (6.4–12.9) | 6,811 | (4,368–9,253) |
| HI | 15-17 | 247 | 8.1 | 2.69 | (4.1–15.1) | 3,802 | (1,202–6,402) |
| IN | 0-4 | 311 | 3.3 | 1.11 | (1.7–6.3) | 13,570 | (4,541–22,599) |
| IN | 5-9 | 401 | 5.4 | 1.26 | (3.4–8.5) | 21,551 | (11,525–31,577) |
| IN | 10-14 | 649 | 5.5 | 0.92 | (3.9–7.6) | 21,789 | (14,534–29,044) |
| IN | 15-17 | 351 | 10.5 | 2.13 | (7.0–15.5) | 27,632 | (16,036–39,228) |
| KS | 0-4 | 501 | 3.7 | 1.21 | (2.0–7.0) | 6,947 | (2,444–11,450) |
| KS | 5-9 | 556 | 8.8 | 1.54 | (6.2–12.3) | 15,841 | (10,188–21,494) |
| KS | 10-14 | 814 | 8.2 | 1.13 | (6.3–10.7) | 15,162 | (11,004–19,320) |
| KS | 15-17 | 459 | 10.2 | 1.80 | (7.2–14.3) | 11,768 | (7,527–16,009) |
| KY | 0-4 | 175 | (.–.) | 5,487 | (.–.) | ||
| KY | 5-9 | 194 | 6.9 | 2.41 | (3.5–13.4) | 17,216 | (5,170–29,262) |
| KY | 10-14 | 279 | 11.7 | 2.82 | (7.2–18.4) | 34,098 | (16,842–51,353) |
| KY | 15-17 | 139 | 5.5 | 1.98 | (2.7–10.9) | 7,535 | (2,177–12,893) |
| ME | 0-4 | 313 | 3.4 | 1.31 | (1.6–7.1) | 1,989 | (477–3,501) |
| ME | 5-9 | 331 | 8.8 | 2.05 | (5.5–13.7) | 5,353 | (2,826–7,881) |
| ME | 10-14 | 528 | 11.4 | 2.14 | (7.9–16.3) | 7,123 | (4,388–9,858) |
| ME | 15-17 | 342 | 8.2 | 1.89 | (5.1–12.7) | 3,361 | (1,809–4,914) |
| MA | 0-4 | 137 | 5.4 | 2.48 | (2.1–12.9) | 16,641 | (1,149–32,134) |
| MA | 5-9 | 122 | 6.4 | 2.57 | (2.8–13.7) | 20,667 | (4,005–37,329) |
| MA | 10-14 | 159 | 10.2 | 3.96 | (4.6–20.9) | 27,134 | (4,900–49,368) |
| MA | 15-17 | 173 | 10.1 | 3.28 | (5.2–18.5) | 27,515 | (9,178–45,852) |
| MI | 0-4 | 334 | 2.8 | 1.00 | (1.4–5.6) | 14,991 | (4,426–25,556) |
| MI | 5-9 | 354 | 10.4 | 1.70 | (7.5–14.2) | 56,040 | (37,855–74,225) |
| MI | 10-14 | 401 | 11.7 | 2.12 | (8.1–16.5) | 65,670 | (40,930–90,409) |
| MI | 15-17 | 358 | 8.9 | 1.67 | (6.1–12.8) | 32,289 | (20,158–44,420) |
| MN | 0-4 | 653 | 1.0 | 0.38 | (0.5–2.1) | 3,703 | (1,070–6,336) |
| MN | 5-9 | 769 | 3.8 | 0.87 | (2.4–5.9) | 13,411 | (7,253–19,570) |
| MN | 10-14 | 1,411 | 6.2 | 0.74 | (4.9–7.8) | 20,760 | (15,864–25,655) |
| MN | 15-17 | 830 | 7.3 | 1.63 | (4.7–11.2) | 15,440 | (8,478–22,403) |
| MS | 0-4 | 329 | 4.9 | 1.49 | (2.7–8.8) | 8,216 | (3,221–13,212) |
| MS | 5-9 | 328 | 5.4 | 1.29 | (3.3–8.5) | 9,457 | (4,959–13,955) |
| MS | 10-14 | 410 | 13.6 | 2.24 | (9.8–18.7) | 25,846 | (17,123–34,568) |
| MS | 15-17 | 286 | 15.7 | 4.76 | (8.4–27.4) | 19,183 | (5,968–32,397) |
| MO | 0-4 | 471 | 4.8 | 1.34 | (2.8–8.2) | 16,217 | (7,157–25,277) |
| MO | 5-9 | 386 | 8.5 | 1.89 | (5.5–13.0) | 30,780 | (16,798–44,762) |
| MO | 10-14 | 610 | 10.5 | 1.67 | (7.7–14.3) | 37,173 | (25,039–49,306) |
| MO | 15-17 | 362 | 13.1 | 2.58 | (8.9–19.1) | 30,721 | (17,878–43,565) |
| MT | 0-4 | 265 | 1.9 | 0.93 | (0.7–4.9) | 1,184 | (40–2,327) |
| MT | 5-9 | 365 | 8.0 | 2.36 | (4.4–14.0) | 4,753 | (1,837–7,669) |
| MT | 10-14 | 478 | 5.5 | 1.15 | (3.6–8.2) | 3,286 | (1,931–4,642) |
| MT | 15-17 | 272 | 9.6 | 2.02 | (6.3–14.3) | 3,639 | (2,121–5,157) |
| NE | 0-4 | 723 | 2.1 | 0.98 | (0.8–5.2) | 2,701 | (165–5,238) |
| NE | 5-9 | 678 | 3.3 | 1.08 | (1.7–6.2) | 4,335 | (1,516–7,153) |
| NE | 10-14 | 1,152 | 5.9 | 0.99 | (4.3–8.2) | 7,564 | (5,058–10,071) |
| NE | 15-17 | 818 | 9.4 | 1.62 | (6.7–13.1) | 7,297 | (4,724–9,870) |
| NV | 0-4 | 75 | (.–.) | 0 | (.–.) | ||
| NV | 5-9 | 116 | 5.3 | 2.99 | (1.7–15.2) | 9,852 | (0–20,976) |
| NV | 10-14 | 153 | 9.0 | 3.20 | (4.4–17.6) | 17,312 | (4,900–29,725) |
| NV | 15-17 | 103 | 20.6 | 6.79 | (10.3–36.9) | 19,658 | (4,769–34,546) |
| NH | 0-4 | 141 | (.–.) | 2,124 | (.–.) | ||
| NH | 5-9 | 223 | 6.7 | 1.83 | (3.9–11.3) | 4,239 | (1,925–6,553) |
| NH | 10-14 | 343 | 8.7 | 1.61 | (6.1–12.5) | 5,889 | (3,741–8,036) |
| NH | 15-17 | 227 | 10.9 | 2.31 | (7.2–16.4) | 5,079 | (2,905–7,254) |
| NJ | 0-4 | 503 | 4.9 | 1.13 | (3.1–7.6) | 23,561 | (12,684–34,437) |
| NJ | 5-9 | 456 | 4.3 | 0.99 | (2.8–6.7) | 21,635 | (11,879–31,391) |
| NJ | 10-14 | 726 | 12.6 | 1.69 | (9.6–16.3) | 59,315 | (42,737–75,893) |
| NJ | 15-17 | 509 | 10.5 | 1.66 | (7.6–14.2) | 32,265 | (21,845–42,686) |
| NM | 0-4 | 273 | 2.2 | 1.13 | (0.8–5.9) | 2,664 | (0–5,414) |
| NM | 5-9 | 304 | 6.7 | 2.06 | (3.6–12.1) | 8,286 | (3,195–13,377) |
| NM | 10-14 | 611 | 9.7 | 2.11 | (6.2–14.6) | 11,568 | (6,429–16,707) |
| NM | 15-17 | 280 | 11.9 | 3.79 | (6.2–21.5) | 9,809 | (3,281–16,337) |
| NY | 0-4 | 205 | 4.4 | 1.95 | (1.8–10.3) | 46,612 | (5,194–88,030) |
| NY | 5-9 | 309 | 8.3 | 1.84 | (5.3–12.7) | 83,599 | (46,908–120,290) |
| NY | 10-14 | 286 | 10.1 | 2.27 | (6.4–15.5) | 107,930 | (58,614–157,247) |
| NY | 15-17 | 176 | 11.5 | 3.16 | (6.6–19.2) | 72,857 | (32,034–113,679) |
| OH | 0-4 | 629 | 2.8 | 0.77 | (1.6–4.8) | 17,474 | (7,905–27,044) |
| OH | 5-9 | 555 | 8.4 | 2.13 | (5.0–13.6) | 57,183 | (27,355–87,011) |
| OH | 10-14 | 930 | 8.5 | 1.28 | (6.3–11.4) | 56,715 | (39,514–73,916) |
| OH | 15-17 | 740 | 10.1 | 1.64 | (7.3–13.8) | 40,765 | (27,143–54,387) |
| PA | 0-4 | 221 | 4.9 | 2.03 | (2.1–10.8) | 31,388 | (5,063–57,713) |
| PA | 5-9 | 228 | 10.5 | 2.95 | (6.0–17.8) | 74,206 | (30,832–117,579) |
| PA | 10-14 | 312 | 19.0 | 3.80 | (12.7–27.6) | 132,581 | (72,522–192,639) |
| PA | 15-17 | 360 | 10.8 | 2.65 | (6.6–17.2) | 45,205 | (22,078–68,333) |
| RI | 0-4 | 198 | 4.6 | 2.20 | (1.8–11.4) | 2,366 | (103–4,630) |
| RI | 5-9 | 195 | 10.5 | 2.83 | (6.1–17.5) | 5,665 | (2,562–8,769) |
| RI | 10-14 | 383 | 13.7 | 2.25 | (9.9–18.8) | 7,160 | (4,765–9,555) |
| RI | 15-17 | 221 | 8.8 | 2.48 | (5.0–15.0) | 3,204 | (1,370–5,039) |
| TX | 0-4 | 488 | 2.6 | 1.33 | (1.0–7.0) | 53,938 | (164–107,711) |
| TX | 5-9 | 474 | 10.0 | 2.61 | (5.9–16.4) | 203,556 | (94,496–312,616) |
| TX | 10-14 | 1,038 | 7.0 | 1.51 | (4.6–10.6) | 129,055 | (72,764–185,347) |
| TX | 15-17 | 486 | 8.6 | 2.30 | (5.0–14.3) | 105,904 | (48,823–162,985) |
| UT | 0-4 | 606 | 1.7 | 0.72 | (0.8–3.9) | 4,480 | (801–8,159) |
| UT | 5-9 | 645 | 6.9 | 1.16 | (5.0–9.6) | 17,936 | (11,897–23,976) |
| UT | 10-14 | 1,198 | 7.8 | 1.05 | (5.9–10.1) | 19,571 | (14,170–24,971) |
| UT | 15-17 | 837 | 9.7 | 1.29 | (7.5–12.6) | 14,830 | (10,802–18,857) |
| VT | 0-4 | 211 | (.–.) | 161 | (.–.) | ||
| VT | 5-9 | 320 | 5.3 | 1.36 | (3.2–8.7) | 1,570 | (781–2,359) |
| VT | 10-14 | 415 | 9.7 | 2.02 | (6.4–14.4) | 2,914 | (1,681–4,146) |
| VT | 15-17 | 273 | 15.1 | 3.24 | (9.8–22.6) | 3,201 | (1,733–4,669) |
| WI | 0-4 | 187 | (.–.) | 2,826 | (.–.) | ||
| WI | 5-9 | 225 | 5.8 | 2.20 | (2.7–12.0) | 18,590 | (4,478–32,702) |
| WI | 10-14 | 294 | 8.5 | 2.42 | (4.8–14.6) | 29,440 | (12,865–46,015) |
| WI | 15-17 | 231 | 9.9 | 3.34 | (5.0–18.6) | 21,696 | (6,499–36,893) |
| Territory | |||||||
| PR | 0-4 | 238 | 3.8 | 1.40 | (1.8–7.7) | 6,572 | (1,764–11,380) |
| PR | 5-9 | 286 | 11.4 | 2.05 | (7.9–16.1) | 21,985 | (13,821–30,150) |
| PR | 10-14 | 409 | 8.3 | 1.52 | (5.7–11.8) | 14,812 | (9,297–20,327) |
| PR | 15-17 | 236 | 5.1 | 1.42 | (2.9–8.7) | 7,328 | (3,280–11,376) |
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
bCurrent asthma question: Does the child still have asthma?
cWeighted number of respondents who answered the current asthma question
dUnweighted number of respondents who answered the current 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