Data / Rankings / Diagnosed diabetes in adults, local model estimate / Counties in Kentucky

Counties in Kentucky by diagnosed diabetes in adults, local model estimate

Wolfe County had the highest diagnosed diabetes in adults, local model estimate of 120 counties in 2021, at 19.3%. Oldham County had the lowest, at 9.1%. The median was 13.7%. Source: the Centers for Disease Control and Prevention.

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Highest19.3Wolfe County
Lowest9.1Oldham County
Median13.7120 counties

Map of counties, 2021

Adair County: 13.5 %Allen County: 13.4 %Anderson County: 11.6 %Ballard County: 14 %Barren County: 14.5 %Bath County: 13.9 %Bell County: 16.9 %Boone County: 9.8 %Bourbon County: 13.3 %Boyd County: 13.1 %Boyle County: 12.1 %Bracken County: 13.5 %Breathitt County: 15.8 %Breckinridge County: 14.4 %Bullitt County: 11.4 %Butler County: 13.7 %Caldwell County: 13.8 %Calloway County: 11.3 %Campbell County: 10.4 %Carlisle County: 15.1 %Carroll County: 13.9 %Carter County: 15.4 %Casey County: 15.8 %Christian County: 11.9 %Clark County: 12.1 %Clay County: 15.9 %Clinton County: 16 %Crittenden County: 14.1 %Cumberland County: 16.6 %Daviess County: 12.1 %Edmonson County: 14.3 %Elliott County: 15.5 %Estill County: 15.7 %Fayette County: 10.3 %Fleming County: 13.7 %Floyd County: 15.7 %Franklin County: 11.7 %Fulton County: 17 %Gallatin County: 13 %Garrard County: 13.2 %Grant County: 11.6 %Graves County: 14.2 %Grayson County: 14.7 %Green County: 16.3 %Greenup County: 13.4 %Hancock County: 12.4 %Hardin County: 11.6 %Harlan County: 17.6 %Harrison County: 13.1 %Hart County: 14.7 %Henderson County: 13.1 %Henry County: 13.6 %Hickman County: 16 %Hopkins County: 13.8 %Jackson County: 16.5 %Jefferson County: 12.4 %Jessamine County: 11.1 %Johnson County: 14.8 %Kenton County: 10.4 %Knott County: 17 %Knox County: 16.2 %Larue County: 13 %Laurel County: 13.7 %Lawrence County: 15.7 %Lee County: 16.9 %Leslie County: 16.8 %Letcher County: 16.8 %Lewis County: 17.2 %Lincoln County: 14.5 %Livingston County: 14 %Logan County: 13.5 %Lyon County: 13.7 %McCracken County: 13.2 %McCreary County: 17 %McLean County: 12.6 %Madison County: 10 %Magoffin County: 16.9 %Marion County: 13.6 %Marshall County: 12.7 %Martin County: 13.9 %Mason County: 13.6 %Meade County: 11.2 %Menifee County: 15.7 %Mercer County: 12.5 %Metcalfe County: 14.1 %Monroe County: 15 %Montgomery County: 13.1 %Morgan County: 14.2 %Muhlenberg County: 13.5 %Nelson County: 11.2 %Nicholas County: 13.9 %Ohio County: 13.5 %Oldham County: 9.1 %Owen County: 13 %Owsley County: 16 %Pendleton County: 13.1 %Perry County: 15.1 %Pike County: 15.2 %Powell County: 13.1 %Pulaski County: 14.8 %Robertson County: 14.9 %Rockcastle County: 14.7 %Rowan County: 10.9 %Russell County: 14.7 %Scott County: 9.7 %Shelby County: 11.4 %Simpson County: 12.3 %Spencer County: 10.8 %Taylor County: 12 %Todd County: 13.9 %Trigg County: 14.6 %Trimble County: 12.7 %Union County: 12.3 %Warren County: 10.9 %Washington County: 12.7 %Wayne County: 15.9 %Webster County: 14.3 %Whitley County: 13.4 %Wolfe County: 19.3 %Woodford County: 11.2 %
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%, 2021. Source: CDC, PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), diagnosed diabetes in adults, crude prevalence. Boundaries: U.S. Census Bureau cartographic boundary files.

Top 40 counties, 2021

Wolfe County: 19.3 %Wolfe County19.3Harlan County: 17.6 %Harlan County17.6Lewis County: 17.2 %Lewis County17.2Fulton County: 17 %Fulton County17Knott County: 17 %Knott County17McCreary County: 17 %McCreary County17Bell County: 16.9 %Bell County16.9Lee County: 16.9 %Lee County16.9Magoffin County: 16.9 %Magoffin County16.9Leslie County: 16.8 %Leslie County16.8Letcher County: 16.8 %Letcher County16.8Cumberland County: 16.6 %Cumberland County16.6Jackson County: 16.5 %Jackson County16.5Green County: 16.3 %Green County16.3Knox County: 16.2 %Knox County16.2Clinton County: 16 %Clinton County16Hickman County: 16 %Hickman County16Owsley County: 16 %Owsley County16Clay County: 15.9 %Clay County15.9Wayne County: 15.9 %Wayne County15.9Breathitt County: 15.8 %Breathitt County15.8Casey County: 15.8 %Casey County15.8Estill County: 15.7 %Estill County15.7Floyd County: 15.7 %Floyd County15.7Lawrence County: 15.7 %Lawrence County15.7Menifee County: 15.7 %Menifee County15.7Elliott County: 15.5 %Elliott County15.5Carter County: 15.4 %Carter County15.4Pike County: 15.2 %Pike County15.2Carlisle County: 15.1 %Carlisle County15.1Perry County: 15.1 %Perry County15.1Monroe County: 15 %Monroe County15Robertson County: 14.9 %Robertson County14.9Johnson County: 14.8 %Johnson County14.8Pulaski County: 14.8 %Pulaski County14.8Grayson County: 14.7 %Grayson County14.7Hart County: 14.7 %Hart County14.7Rockcastle County: 14.7 %Rockcastle County14.7Russell County: 14.7 %Russell County14.7Trigg County: 14.6 %Trigg County14.6Wolfe County: 19.3 %Wolfe County19.3Harlan County: 17.6 %Harlan County17.6Lewis County: 17.2 %Lewis County17.2Fulton County: 17 %Fulton County17Knott County: 17 %Knott County17McCreary County: 17 %McCreary County17Bell County: 16.9 %Bell County16.9Lee County: 16.9 %Lee County16.9Magoffin County: 16.9 %Magoffin County16.9Leslie County: 16.8 %Leslie County16.8Letcher County: 16.8 %Letcher County16.8Cumberland County: 16.6 %Cumberland County16.6Jackson County: 16.5 %Jackson County16.5Green County: 16.3 %Green County16.3Knox County: 16.2 %Knox County16.2Clinton County: 16 %Clinton County16Hickman County: 16 %Hickman County16Owsley County: 16 %Owsley County16Clay County: 15.9 %Clay County15.9Wayne County: 15.9 %Wayne County15.9Breathitt County: 15.8 %Breathitt County15.8Casey County: 15.8 %Casey County15.8Estill County: 15.7 %Estill County15.7Floyd County: 15.7 %Floyd County15.7Lawrence County: 15.7 %Lawrence County15.7Menifee County: 15.7 %Menifee County15.7Elliott County: 15.5 %Elliott County15.5Carter County: 15.4 %Carter County15.4Pike County: 15.2 %Pike County15.2Carlisle County: 15.1 %Carlisle County15.1Perry County: 15.1 %Perry County15.1Monroe County: 15 %Monroe County15Robertson County: 14.9 %Robertson County14.9Johnson County: 14.8 %Johnson County14.8Pulaski County: 14.8 %Pulaski County14.8Grayson County: 14.7 %Grayson County14.7Hart County: 14.7 %Hart County14.7Rockcastle County: 14.7 %Rockcastle County14.7Russell County: 14.7 %Russell County14.7Trigg County: 14.6 %Trigg County14.6
%. Source: CDC, PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), diagnosed diabetes in adults, crude prevalence. Retrieved 2026-10-12.

Full ranking

RankCounties2021 (%)
1Wolfe County19.3
2Harlan County17.6
3Lewis County17.2
4Fulton County17
4Knott County17
4McCreary County17
7Bell County16.9
7Lee County16.9
7Magoffin County16.9
10Leslie County16.8
10Letcher County16.8
12Cumberland County16.6
13Jackson County16.5
14Green County16.3
15Knox County16.2
16Clinton County16
16Hickman County16
16Owsley County16
19Clay County15.9
19Wayne County15.9
21Breathitt County15.8
21Casey County15.8
23Estill County15.7
23Floyd County15.7
23Lawrence County15.7
23Menifee County15.7
27Elliott County15.5
28Carter County15.4
29Pike County15.2
30Carlisle County15.1
30Perry County15.1
32Monroe County15
33Robertson County14.9
34Johnson County14.8
34Pulaski County14.8
36Grayson County14.7
36Hart County14.7
36Rockcastle County14.7
36Russell County14.7
40Trigg County14.6
41Barren County14.5
41Lincoln County14.5
43Breckinridge County14.4
44Edmonson County14.3
44Webster County14.3
46Graves County14.2
46Morgan County14.2
48Crittenden County14.1
48Metcalfe County14.1
50Ballard County14
50Livingston County14
52Bath County13.9
52Carroll County13.9
52Martin County13.9
52Nicholas County13.9
52Todd County13.9
57Caldwell County13.8
57Hopkins County13.8
59Butler County13.7
59Fleming County13.7
59Laurel County13.7
59Lyon County13.7
63Henry County13.6
63Marion County13.6
63Mason County13.6
66Adair County13.5
66Bracken County13.5
66Logan County13.5
66Muhlenberg County13.5
66Ohio County13.5
71Allen County13.4
71Greenup County13.4
71Whitley County13.4
74Bourbon County13.3
75Garrard County13.2
75McCracken County13.2
77Boyd County13.1
77Harrison County13.1
77Henderson County13.1
77Montgomery County13.1
77Pendleton County13.1
77Powell County13.1
83Gallatin County13
83Larue County13
83Owen County13
86Marshall County12.7
86Trimble County12.7
86Washington County12.7
89McLean County12.6
90Mercer County12.5
91Hancock County12.4
91Jefferson County12.4
93Simpson County12.3
93Union County12.3
95Boyle County12.1
95Clark County12.1
95Daviess County12.1
98Taylor County12
99Christian County11.9
100Franklin County11.7
101Anderson County11.6
101Grant County11.6
101Hardin County11.6
104Bullitt County11.4
104Shelby County11.4
106Calloway County11.3
107Meade County11.2
107Nelson County11.2
107Woodford County11.2
110Jessamine County11.1
111Rowan County10.9
111Warren County10.9
113Spencer County10.8
114Campbell County10.4
114Kenton County10.4
116Fayette County10.3
117Madison County10
118Boone County9.8
119Scott County9.7
120Oldham County9.1

Other periods

About this ranking

Percentage of adults who report being told by a doctor or other health professional that they have diabetes, other than diabetes only during pregnancy. 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), diagnosed diabetes 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), diagnosed diabetes in adults, crude prevalence (Counties in Kentucky by diagnosed diabetes 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), diagnosed diabetes in adults, crude prevalence, Counties in Kentucky by diagnosed diabetes 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-diabetes-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), diagnosed diabetes in adults, crude prevalence. Counties in Kentucky by diagnosed diabetes 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-diabetes-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), diagnosed diabetes in adults, crude prevalence, Counties in Kentucky by diagnosed diabetes in adults, local model estimate, 2021 [Dataset]. Available at: https://www.cdc.gov/places/, via Invokely: https://invokely.ai/rankings/adult-diabetes-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), diagnosed diabetes in adults, crude prevalence: Counties in Kentucky by diagnosed diabetes 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-diabetes-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), diagnosed diabetes 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), diagnosed diabetes in adults, crude prevalence: Counties in Kentucky by diagnosed diabetes 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-diabetes-rate-county-estimate/kentucky-counties?period=2021
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/adult-diabetes-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), diagnosed diabetes 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 diagnosed diabetes in adults, local model estimate?

Wolfe County, with 19.3% in 2021, according to the Centers for Disease Control and Prevention.

Which county has the lowest diagnosed diabetes in adults, local model estimate?

Oldham 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), diagnosed diabetes in adults, crude prevalence. Retrieved 2026-10-12.

Diagnosed diabetes in adults, local model estimate: other rankings

Counties in Kentucky: more rankings