Data / Rankings / Current asthma in adults, local model estimate / Counties in Utah

Counties in Utah by current asthma in adults, local model estimate

San Juan County had the highest current asthma in adults, local model estimate of 29 counties in 2021, at 11.9%. Summit County had the lowest, at 9.3%. The median was 10.1%. Source: the Centers for Disease Control and Prevention.

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Highest11.9San Juan County
Lowest9.3Summit County
Median10.129 counties

Map of counties, 2021

Beaver County: 10 %Box Elder County: 10.2 %Cache County: 10.5 %Carbon County: 10.8 %Daggett County: 9.4 %Davis County: 9.9 %Duchesne County: 10.8 %Emery County: 10.6 %Garfield County: 10 %Grand County: 10.3 %Iron County: 10.8 %Juab County: 10.4 %Kane County: 10.1 %Millard County: 10.1 %Morgan County: 9.5 %Piute County: 10.7 %Rich County: 9.9 %Salt Lake County: 9.7 %San Juan County: 11.9 %Sanpete County: 10.1 %Sevier County: 10.7 %Summit County: 9.3 %Tooele County: 10.3 %Uintah County: 11.4 %Utah County: 10.1 %Wasatch County: 9.4 %Washington County: 9.8 %Wayne County: 10.1 %Weber County: 10.4 %
  • Under 9.9
  • 9.9 to 10
  • 10 to 11
  • 11 and over
%, 2021. Source: CDC, PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), current asthma in adults, crude prevalence. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2021

San Juan County: 11.9 %San Juan County11.9Uintah County: 11.4 %Uintah County11.4Carbon County: 10.8 %Carbon County10.8Duchesne County: 10.8 %Duchesne County10.8Iron County: 10.8 %Iron County10.8Piute County: 10.7 %Piute County10.7Sevier County: 10.7 %Sevier County10.7Emery County: 10.6 %Emery County10.6Cache County: 10.5 %Cache County10.5Juab County: 10.4 %Juab County10.4Weber County: 10.4 %Weber County10.4Grand County: 10.3 %Grand County10.3Tooele County: 10.3 %Tooele County10.3Box Elder County: 10.2 %Box Elder County10.2Kane County: 10.1 %Kane County10.1Millard County: 10.1 %Millard County10.1Sanpete County: 10.1 %Sanpete County10.1Utah County: 10.1 %Utah County10.1Wayne County: 10.1 %Wayne County10.1Beaver County: 10 %Beaver County10Garfield County: 10 %Garfield County10Davis County: 9.9 %Davis County9.9Rich County: 9.9 %Rich County9.9Washington County: 9.8 %Washington County9.8Salt Lake County: 9.7 %Salt Lake County9.7Morgan County: 9.5 %Morgan County9.5Daggett County: 9.4 %Daggett County9.4Wasatch County: 9.4 %Wasatch County9.4Summit County: 9.3 %Summit County9.3San Juan County: 11.9 %San Juan County11.9Uintah County: 11.4 %Uintah County11.4Carbon County: 10.8 %Carbon County10.8Duchesne County: 10.8 %Duchesne County10.8Iron County: 10.8 %Iron County10.8Piute County: 10.7 %Piute County10.7Sevier County: 10.7 %Sevier County10.7Emery County: 10.6 %Emery County10.6Cache County: 10.5 %Cache County10.5Juab County: 10.4 %Juab County10.4Weber County: 10.4 %Weber County10.4Grand County: 10.3 %Grand County10.3Tooele County: 10.3 %Tooele County10.3Box Elder County: 10.2 %Box Elder County10.2Kane County: 10.1 %Kane County10.1Millard County: 10.1 %Millard County10.1Sanpete County: 10.1 %Sanpete County10.1Utah County: 10.1 %Utah County10.1Wayne County: 10.1 %Wayne County10.1Beaver County: 10 %Beaver County10Garfield County: 10 %Garfield County10Davis County: 9.9 %Davis County9.9Rich County: 9.9 %Rich County9.9Washington County: 9.8 %Washington County9.8Salt Lake County: 9.7 %Salt Lake County9.7Morgan County: 9.5 %Morgan County9.5Daggett County: 9.4 %Daggett County9.4Wasatch County: 9.4 %Wasatch County9.4Summit County: 9.3 %Summit County9.3
%. Source: CDC, PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), current asthma in adults, crude prevalence. Retrieved 2026-10-12.

Full ranking

RankCounties2021 (%)
1San Juan County11.9
2Uintah County11.4
3Carbon County10.8
3Duchesne County10.8
3Iron County10.8
6Piute County10.7
6Sevier County10.7
8Emery County10.6
9Cache County10.5
10Juab County10.4
10Weber County10.4
12Grand County10.3
12Tooele County10.3
14Box Elder County10.2
15Kane County10.1
15Millard County10.1
15Sanpete County10.1
15Utah County10.1
15Wayne County10.1
20Beaver County10
20Garfield County10
22Davis County9.9
22Rich County9.9
24Washington County9.8
25Salt Lake County9.7
26Morgan County9.5
27Daggett County9.4
27Wasatch County9.4
29Summit County9.3

Other periods

About this ranking

Percentage of adults who have ever been told by a doctor, nurse or other health professional that they have asthma and say they still have it. Model-based estimate for adults aged 18 and over from CDC PLACES. Crude prevalence, not age-adjusted.

US counties and cities (incorporated places of 10,000 or more). CDC PLACES combines Behavioral Risk Factor Surveillance System (BRFSS) answers with local population data through multilevel regression and poststratification, so a county or city value is a model estimate, not a survey count. The year is the BRFSS survey year, not the release year. CDC says the method does not support tracking change in a place over time, and each annual release can change the model, so values for different years are not strictly comparable. A state is missing in a year when its BRFSS data did not meet standards (Kentucky and Pennsylvania in 2023, Florida in 2021). Connecticut counties appear as its nine planning regions from 2022; its eight former counties are not served. City values for 2021 come from the 2023 release, built on 2010 Census place boundaries; later years use 2020 boundaries.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

Centers for Disease Control and Prevention (CDC). PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), current asthma in adults, crude prevalence. https://www.cdc.gov/places/. Retrieved 2026-10-12. These data are available free from CDC. Use does not imply endorsement by CDC, ATSDR, HHS or the United States Government.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

Centers for Disease Control and Prevention. (2025). PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), current asthma in adults, crude prevalence (Counties in Utah by current asthma in adults, local model estimate, 2021) [Data set]. Retrieved October 12, 2026, from https://www.cdc.gov/places/

MLA 9

PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), current asthma in adults, crude prevalence, Counties in Utah by current asthma in adults, local model estimate, 2021. Centers for Disease Control and Prevention, 4 Dec. 2025, https://www.cdc.gov/places/. Invokely, https://invokely.ai/rankings/adult-asthma-rate-county-estimate/utah-counties?period=2021. Accessed 12 Oct. 2026.

Chicago (author-date)

Centers for Disease Control and Prevention. 2025. PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), current asthma in adults, crude prevalence. Counties in Utah by current asthma in adults, local model estimate, 2021. Dataset. Accessed October 12, 2026. https://www.cdc.gov/places/. Also distributed by Invokely, https://invokely.ai/rankings/adult-asthma-rate-county-estimate/utah-counties?period=2021.

Harvard

Centers for Disease Control and Prevention (2025) PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), current asthma in adults, crude prevalence, Counties in Utah by current asthma in adults, local model estimate, 2021 [Dataset]. Available at: https://www.cdc.gov/places/, via Invokely: https://invokely.ai/rankings/adult-asthma-rate-county-estimate/utah-counties?period=2021 (Accessed: 12 October 2026).

BibTeX
@misc{centers_counties_in_utah_by_2021,
  author = {{Centers for Disease Control and Prevention}},
  title = {{PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), current asthma in adults, crude prevalence: Counties in Utah by current asthma in adults, local model estimate, 2021}},
  year = {2025},
  howpublished = {Data set},
  url = {https://www.cdc.gov/places/},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/adult-asthma-rate-county-estimate/utah-counties?period=2021. Publisher attribution: Centers for Disease Control and Prevention (CDC). PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), current asthma in adults, crude prevalence. https://www.cdc.gov/places/. Retrieved 2026-10-12. These data are available free from CDC. Use does not imply endorsement by CDC, ATSDR, HHS or the United States Government.},
}
RIS
TY  - DATA
AU  - Centers for Disease Control and Prevention
TI  - PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), current asthma in adults, crude prevalence: Counties in Utah by current asthma in adults, local model estimate, 2021
PY  - 2025
DA  - 2025/12/04
PB  - Centers for Disease Control and Prevention
DB  - Invokely
UR  - https://www.cdc.gov/places/
L2  - https://invokely.ai/rankings/adult-asthma-rate-county-estimate/utah-counties?period=2021
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/adult-asthma-rate-county-estimate/utah-counties?period=2021.
N1  - Publisher attribution: Centers for Disease Control and Prevention (CDC). PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), current asthma in adults, crude prevalence. https://www.cdc.gov/places/. Retrieved 2026-10-12. These data are available free from CDC. Use does not imply endorsement by CDC, ATSDR, HHS or the United States Government.
ER  -
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Questions

Which county has the highest current asthma in adults, local model estimate?

San Juan County, with 11.9% in 2021, according to the Centers for Disease Control and Prevention.

Which county has the lowest current asthma in adults, local model estimate?

Summit County, with 9.3% in 2021.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: Centers for Disease Control and Prevention, PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), current asthma in adults, crude prevalence. Retrieved 2026-10-12.

Current asthma in adults, local model estimate: other rankings

Counties in Utah: more rankings