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

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

Haywood County had the highest current asthma in adults, local model estimate of 95 counties in 2021, at 11.9%. Williamson County had the lowest, at 9.1%. The median was 10.7%. Source: the Centers for Disease Control and Prevention.

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Highest11.9Haywood County
Lowest9.1Williamson County
Median10.795 counties

Map of counties, 2021

Anderson County: 10.3 %Bedford County: 10.7 %Benton County: 10.7 %Bledsoe County: 10.4 %Blount County: 10.1 %Bradley County: 10.8 %Campbell County: 11.1 %Cannon County: 10.6 %Carroll County: 10.6 %Carter County: 10.7 %Cheatham County: 10.3 %Chester County: 11.1 %Claiborne County: 10.9 %Clay County: 11 %Cocke County: 11.1 %Coffee County: 10.6 %Crockett County: 10.8 %Cumberland County: 10.3 %Davidson County: 10.5 %Decatur County: 10.6 %DeKalb County: 10.7 %Dickson County: 10.4 %Dyer County: 10.8 %Fayette County: 10.5 %Fentress County: 10.9 %Franklin County: 10.4 %Gibson County: 10.9 %Giles County: 10.7 %Grainger County: 10.9 %Greene County: 10.7 %Grundy County: 10.9 %Hamblen County: 10.7 %Hamilton County: 10.6 %Hancock County: 11.6 %Hardeman County: 11.1 %Hardin County: 10.7 %Hawkins County: 10.4 %Haywood County: 11.9 %Henderson County: 10.8 %Henry County: 10.7 %Hickman County: 10.5 %Houston County: 10.5 %Humphreys County: 10.4 %Jackson County: 10.7 %Jefferson County: 10.5 %Johnson County: 10.7 %Knox County: 10.1 %Lake County: 10.9 %Lauderdale County: 11.4 %Lawrence County: 10.8 %Lewis County: 11 %Lincoln County: 10.3 %Loudon County: 9.9 %McMinn County: 10.6 %McNairy County: 10.8 %Macon County: 11 %Madison County: 11.1 %Marion County: 10.8 %Marshall County: 10.6 %Maury County: 10.2 %Meigs County: 10.5 %Monroe County: 10.6 %Montgomery County: 10.4 %Moore County: 10.3 %Morgan County: 10.6 %Obion County: 10.9 %Overton County: 10.9 %Perry County: 11 %Pickett County: 10.8 %Polk County: 10.6 %Putnam County: 10.7 %Rhea County: 10.8 %Roane County: 10.2 %Robertson County: 10.3 %Rutherford County: 10.3 %Scott County: 11.3 %Sequatchie County: 11 %Sevier County: 10.5 %Shelby County: 11 %Smith County: 10.5 %Stewart County: 10.3 %Sullivan County: 10.6 %Sumner County: 10.3 %Tipton County: 10.6 %Trousdale County: 10 %Unicoi County: 10.5 %Union County: 10.9 %Van Buren County: 10.9 %Warren County: 10.7 %Washington County: 10.3 %Wayne County: 10.5 %Weakley County: 10.9 %White County: 11 %Williamson County: 9.1 %Wilson County: 9.8 %
  • Under 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.

Top 40 counties, 2021

Haywood County: 11.9 %Haywood County11.9Hancock County: 11.6 %Hancock County11.6Lauderdale County: 11.4 %Lauderdale County11.4Scott County: 11.3 %Scott County11.3Campbell County: 11.1 %Campbell County11.1Chester County: 11.1 %Chester County11.1Cocke County: 11.1 %Cocke County11.1Hardeman County: 11.1 %Hardeman County11.1Madison County: 11.1 %Madison County11.1Clay County: 11 %Clay County11Lewis County: 11 %Lewis County11Macon County: 11 %Macon County11Perry County: 11 %Perry County11Sequatchie County: 11 %Sequatchie County11Shelby County: 11 %Shelby County11White County: 11 %White County11Claiborne County: 10.9 %Claiborne County10.9Fentress County: 10.9 %Fentress County10.9Gibson County: 10.9 %Gibson County10.9Grainger County: 10.9 %Grainger County10.9Grundy County: 10.9 %Grundy County10.9Lake County: 10.9 %Lake County10.9Obion County: 10.9 %Obion County10.9Overton County: 10.9 %Overton County10.9Union County: 10.9 %Union County10.9Van Buren County: 10.9 %Van Buren County10.9Weakley County: 10.9 %Weakley County10.9Bradley County: 10.8 %Bradley County10.8Crockett County: 10.8 %Crockett County10.8Dyer County: 10.8 %Dyer County10.8Henderson County: 10.8 %Henderson County10.8Lawrence County: 10.8 %Lawrence County10.8Marion County: 10.8 %Marion County10.8McNairy County: 10.8 %McNairy County10.8Pickett County: 10.8 %Pickett County10.8Rhea County: 10.8 %Rhea County10.8Bedford County: 10.7 %Bedford County10.7Benton County: 10.7 %Benton County10.7Carter County: 10.7 %Carter County10.7DeKalb County: 10.7 %DeKalb County10.7Haywood County: 11.9 %Haywood County11.9Hancock County: 11.6 %Hancock County11.6Lauderdale County: 11.4 %Lauderdale County11.4Scott County: 11.3 %Scott County11.3Campbell County: 11.1 %Campbell County11.1Chester County: 11.1 %Chester County11.1Cocke County: 11.1 %Cocke County11.1Hardeman County: 11.1 %Hardeman County11.1Madison County: 11.1 %Madison County11.1Clay County: 11 %Clay County11Lewis County: 11 %Lewis County11Macon County: 11 %Macon County11Perry County: 11 %Perry County11Sequatchie County: 11 %Sequatchie County11Shelby County: 11 %Shelby County11White County: 11 %White County11Claiborne County: 10.9 %Claiborne County10.9Fentress County: 10.9 %Fentress County10.9Gibson County: 10.9 %Gibson County10.9Grainger County: 10.9 %Grainger County10.9Grundy County: 10.9 %Grundy County10.9Lake County: 10.9 %Lake County10.9Obion County: 10.9 %Obion County10.9Overton County: 10.9 %Overton County10.9Union County: 10.9 %Union County10.9Van Buren County: 10.9 %Van Buren County10.9Weakley County: 10.9 %Weakley County10.9Bradley County: 10.8 %Bradley County10.8Crockett County: 10.8 %Crockett County10.8Dyer County: 10.8 %Dyer County10.8Henderson County: 10.8 %Henderson County10.8Lawrence County: 10.8 %Lawrence County10.8Marion County: 10.8 %Marion County10.8McNairy County: 10.8 %McNairy County10.8Pickett County: 10.8 %Pickett County10.8Rhea County: 10.8 %Rhea County10.8Bedford County: 10.7 %Bedford County10.7Benton County: 10.7 %Benton County10.7Carter County: 10.7 %Carter County10.7DeKalb County: 10.7 %DeKalb County10.7
%. 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 (%)
1Haywood County11.9
2Hancock County11.6
3Lauderdale County11.4
4Scott County11.3
5Campbell County11.1
5Chester County11.1
5Cocke County11.1
5Hardeman County11.1
5Madison County11.1
10Clay County11
10Lewis County11
10Macon County11
10Perry County11
10Sequatchie County11
10Shelby County11
10White County11
17Claiborne County10.9
17Fentress County10.9
17Gibson County10.9
17Grainger County10.9
17Grundy County10.9
17Lake County10.9
17Obion County10.9
17Overton County10.9
17Union County10.9
17Van Buren County10.9
17Weakley County10.9
28Bradley County10.8
28Crockett County10.8
28Dyer County10.8
28Henderson County10.8
28Lawrence County10.8
28Marion County10.8
28McNairy County10.8
28Pickett County10.8
28Rhea County10.8
37Bedford County10.7
37Benton County10.7
37Carter County10.7
37DeKalb County10.7
37Giles County10.7
37Greene County10.7
37Hamblen County10.7
37Hardin County10.7
37Henry County10.7
37Jackson County10.7
37Johnson County10.7
37Putnam County10.7
37Warren County10.7
50Cannon County10.6
50Carroll County10.6
50Coffee County10.6
50Decatur County10.6
50Hamilton County10.6
50Marshall County10.6
50McMinn County10.6
50Monroe County10.6
50Morgan County10.6
50Polk County10.6
50Sullivan County10.6
50Tipton County10.6
62Davidson County10.5
62Fayette County10.5
62Hickman County10.5
62Houston County10.5
62Jefferson County10.5
62Meigs County10.5
62Sevier County10.5
62Smith County10.5
62Unicoi County10.5
62Wayne County10.5
72Bledsoe County10.4
72Dickson County10.4
72Franklin County10.4
72Hawkins County10.4
72Humphreys County10.4
72Montgomery County10.4
78Anderson County10.3
78Cheatham County10.3
78Cumberland County10.3
78Lincoln County10.3
78Moore County10.3
78Robertson County10.3
78Rutherford County10.3
78Stewart County10.3
78Sumner County10.3
78Washington County10.3
88Maury County10.2
88Roane County10.2
90Blount County10.1
90Knox County10.1
92Trousdale County10
93Loudon County9.9
94Wilson County9.8
95Williamson County9.1

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 Tennessee 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 Tennessee 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/tennessee-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 Tennessee 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/tennessee-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 Tennessee 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/tennessee-counties?period=2021 (Accessed: 12 October 2026).

BibTeX
@misc{centers_counties_in_tennessee_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 Tennessee 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/tennessee-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 Tennessee 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/tennessee-counties?period=2021
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/adult-asthma-rate-county-estimate/tennessee-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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Rank Counties in Tennessee by current asthma in adults, local model estimate using official data, and cite the source.
rank_places {"indicator":"adult_asthma_rate_modelled","level":"province","within":"Tennessee","limit":10}
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Questions

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

Haywood 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?

Williamson County, with 9.1% 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 Tennessee: more rankings