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

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

Wolfe County had the highest current asthma in adults, local model estimate of 120 counties in 2021, at 13.4%. Oldham County had the lowest, at 9.9%. The median was 11.4%. Source: the Centers for Disease Control and Prevention.

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Highest13.4Wolfe County
Lowest9.9Oldham County
Median11.4120 counties

Map of counties, 2021

Adair County: 11.6 %Allen County: 11.3 %Anderson County: 10.9 %Ballard County: 11.2 %Barren County: 11.7 %Bath County: 11.6 %Bell County: 12.6 %Boone County: 10.4 %Bourbon County: 11.2 %Boyd County: 11.2 %Boyle County: 11 %Bracken County: 11.3 %Breathitt County: 12.2 %Breckinridge County: 11.4 %Bullitt County: 10.9 %Butler County: 11.4 %Caldwell County: 11.3 %Calloway County: 11.3 %Campbell County: 10.6 %Carlisle County: 11.4 %Carroll County: 11.8 %Carter County: 12.1 %Casey County: 12.2 %Christian County: 11.9 %Clark County: 11 %Clay County: 12.6 %Clinton County: 12.2 %Crittenden County: 11.2 %Cumberland County: 11.8 %Daviess County: 10.9 %Edmonson County: 11.5 %Elliott County: 11.4 %Estill County: 12.2 %Fayette County: 11 %Fleming County: 11.6 %Floyd County: 12.2 %Franklin County: 11 %Fulton County: 12.2 %Gallatin County: 11.4 %Garrard County: 11.2 %Grant County: 11.1 %Graves County: 11.3 %Grayson County: 11.7 %Green County: 11.9 %Greenup County: 11.3 %Hancock County: 11 %Hardin County: 11.2 %Harlan County: 12.9 %Harrison County: 11.2 %Hart County: 12 %Henderson County: 11.3 %Henry County: 11.5 %Hickman County: 11.3 %Hopkins County: 11.5 %Jackson County: 12.6 %Jefferson County: 10.9 %Jessamine County: 10.9 %Johnson County: 11.9 %Kenton County: 10.5 %Knott County: 12.7 %Knox County: 12.7 %Larue County: 11.5 %Laurel County: 11.7 %Lawrence County: 12.1 %Lee County: 12.2 %Leslie County: 12.2 %Letcher County: 12.5 %Lewis County: 12.5 %Lincoln County: 11.7 %Livingston County: 11.2 %Logan County: 11.3 %Lyon County: 10.3 %McCracken County: 11 %McCreary County: 12.4 %McLean County: 10.8 %Madison County: 11.3 %Magoffin County: 12.6 %Marion County: 11.5 %Marshall County: 10.7 %Martin County: 11.7 %Mason County: 11.6 %Meade County: 10.9 %Menifee County: 12 %Mercer County: 10.9 %Metcalfe County: 11.5 %Monroe County: 11.7 %Montgomery County: 11.4 %Morgan County: 11.5 %Muhlenberg County: 11.5 %Nelson County: 10.8 %Nicholas County: 11.8 %Ohio County: 11.4 %Oldham County: 9.9 %Owen County: 11.1 %Owsley County: 12.4 %Pendleton County: 11.2 %Perry County: 12 %Pike County: 12.2 %Powell County: 11.5 %Pulaski County: 11.8 %Robertson County: 11.4 %Rockcastle County: 11.9 %Rowan County: 12 %Russell County: 11.7 %Scott County: 10.6 %Shelby County: 10.9 %Simpson County: 11.2 %Spencer County: 10.4 %Taylor County: 11.1 %Todd County: 11.7 %Trigg County: 11.1 %Trimble County: 11 %Union County: 11.3 %Warren County: 11.2 %Washington County: 10.9 %Wayne County: 11.8 %Webster County: 11.5 %Whitley County: 12.1 %Wolfe County: 13.4 %Woodford County: 10.4 %
  • Under 11
  • 11 to 12
  • 12 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

Wolfe County: 13.4 %Wolfe County13.4Harlan County: 12.9 %Harlan County12.9Knott County: 12.7 %Knott County12.7Knox County: 12.7 %Knox County12.7Bell County: 12.6 %Bell County12.6Clay County: 12.6 %Clay County12.6Jackson County: 12.6 %Jackson County12.6Magoffin County: 12.6 %Magoffin County12.6Letcher County: 12.5 %Letcher County12.5Lewis County: 12.5 %Lewis County12.5McCreary County: 12.4 %McCreary County12.4Owsley County: 12.4 %Owsley County12.4Breathitt County: 12.2 %Breathitt County12.2Casey County: 12.2 %Casey County12.2Clinton County: 12.2 %Clinton County12.2Estill County: 12.2 %Estill County12.2Floyd County: 12.2 %Floyd County12.2Fulton County: 12.2 %Fulton County12.2Lee County: 12.2 %Lee County12.2Leslie County: 12.2 %Leslie County12.2Pike County: 12.2 %Pike County12.2Carter County: 12.1 %Carter County12.1Lawrence County: 12.1 %Lawrence County12.1Whitley County: 12.1 %Whitley County12.1Hart County: 12 %Hart County12Menifee County: 12 %Menifee County12Perry County: 12 %Perry County12Rowan County: 12 %Rowan County12Christian County: 11.9 %Christian County11.9Green County: 11.9 %Green County11.9Johnson County: 11.9 %Johnson County11.9Rockcastle County: 11.9 %Rockcastle County11.9Carroll County: 11.8 %Carroll County11.8Cumberland County: 11.8 %Cumberland County11.8Nicholas County: 11.8 %Nicholas County11.8Pulaski County: 11.8 %Pulaski County11.8Wayne County: 11.8 %Wayne County11.8Barren County: 11.7 %Barren County11.7Grayson County: 11.7 %Grayson County11.7Laurel County: 11.7 %Laurel County11.7Wolfe County: 13.4 %Wolfe County13.4Harlan County: 12.9 %Harlan County12.9Knott County: 12.7 %Knott County12.7Knox County: 12.7 %Knox County12.7Bell County: 12.6 %Bell County12.6Clay County: 12.6 %Clay County12.6Jackson County: 12.6 %Jackson County12.6Magoffin County: 12.6 %Magoffin County12.6Letcher County: 12.5 %Letcher County12.5Lewis County: 12.5 %Lewis County12.5McCreary County: 12.4 %McCreary County12.4Owsley County: 12.4 %Owsley County12.4Breathitt County: 12.2 %Breathitt County12.2Casey County: 12.2 %Casey County12.2Clinton County: 12.2 %Clinton County12.2Estill County: 12.2 %Estill County12.2Floyd County: 12.2 %Floyd County12.2Fulton County: 12.2 %Fulton County12.2Lee County: 12.2 %Lee County12.2Leslie County: 12.2 %Leslie County12.2Pike County: 12.2 %Pike County12.2Carter County: 12.1 %Carter County12.1Lawrence County: 12.1 %Lawrence County12.1Whitley County: 12.1 %Whitley County12.1Hart County: 12 %Hart County12Menifee County: 12 %Menifee County12Perry County: 12 %Perry County12Rowan County: 12 %Rowan County12Christian County: 11.9 %Christian County11.9Green County: 11.9 %Green County11.9Johnson County: 11.9 %Johnson County11.9Rockcastle County: 11.9 %Rockcastle County11.9Carroll County: 11.8 %Carroll County11.8Cumberland County: 11.8 %Cumberland County11.8Nicholas County: 11.8 %Nicholas County11.8Pulaski County: 11.8 %Pulaski County11.8Wayne County: 11.8 %Wayne County11.8Barren County: 11.7 %Barren County11.7Grayson County: 11.7 %Grayson County11.7Laurel County: 11.7 %Laurel County11.7
%. 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 (%)
1Wolfe County13.4
2Harlan County12.9
3Knott County12.7
3Knox County12.7
5Bell County12.6
5Clay County12.6
5Jackson County12.6
5Magoffin County12.6
9Letcher County12.5
9Lewis County12.5
11McCreary County12.4
11Owsley County12.4
13Breathitt County12.2
13Casey County12.2
13Clinton County12.2
13Estill County12.2
13Floyd County12.2
13Fulton County12.2
13Lee County12.2
13Leslie County12.2
13Pike County12.2
22Carter County12.1
22Lawrence County12.1
22Whitley County12.1
25Hart County12
25Menifee County12
25Perry County12
25Rowan County12
29Christian County11.9
29Green County11.9
29Johnson County11.9
29Rockcastle County11.9
33Carroll County11.8
33Cumberland County11.8
33Nicholas County11.8
33Pulaski County11.8
33Wayne County11.8
38Barren County11.7
38Grayson County11.7
38Laurel County11.7
38Lincoln County11.7
38Martin County11.7
38Monroe County11.7
38Russell County11.7
38Todd County11.7
46Adair County11.6
46Bath County11.6
46Fleming County11.6
46Mason County11.6
50Edmonson County11.5
50Henry County11.5
50Hopkins County11.5
50Larue County11.5
50Marion County11.5
50Metcalfe County11.5
50Morgan County11.5
50Muhlenberg County11.5
50Powell County11.5
50Webster County11.5
60Breckinridge County11.4
60Butler County11.4
60Carlisle County11.4
60Elliott County11.4
60Gallatin County11.4
60Montgomery County11.4
60Ohio County11.4
60Robertson County11.4
68Allen County11.3
68Bracken County11.3
68Caldwell County11.3
68Calloway County11.3
68Graves County11.3
68Greenup County11.3
68Henderson County11.3
68Hickman County11.3
68Logan County11.3
68Madison County11.3
68Union County11.3
79Ballard County11.2
79Bourbon County11.2
79Boyd County11.2
79Crittenden County11.2
79Garrard County11.2
79Hardin County11.2
79Harrison County11.2
79Livingston County11.2
79Pendleton County11.2
79Simpson County11.2
79Warren County11.2
90Grant County11.1
90Owen County11.1
90Taylor County11.1
90Trigg County11.1
94Boyle County11
94Clark County11
94Fayette County11
94Franklin County11
94Hancock County11
94McCracken County11
94Trimble County11
101Anderson County10.9
101Bullitt County10.9
101Daviess County10.9
101Jefferson County10.9
101Jessamine County10.9
101Meade County10.9
101Mercer County10.9
101Shelby County10.9
101Washington County10.9
110McLean County10.8
110Nelson County10.8
112Marshall County10.7
113Campbell County10.6
113Scott County10.6
115Kenton County10.5
116Boone County10.4
116Spencer County10.4
116Woodford County10.4
119Lyon County10.3
120Oldham County9.9

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 Kentucky 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 Kentucky 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/kentucky-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 Kentucky 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/kentucky-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 Kentucky 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/kentucky-counties?period=2021 (Accessed: 12 October 2026).

BibTeX
@misc{centers_counties_in_kentucky_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 Kentucky 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/kentucky-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 Kentucky 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/kentucky-counties?period=2021
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/adult-asthma-rate-county-estimate/kentucky-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?

Wolfe County, with 13.4% in 2021, according to the Centers for Disease Control and Prevention.

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

Oldham County, with 9.9% 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 Kentucky: more rankings