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

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

Appanoose County had the highest diagnosed diabetes in adults, local model estimate of 99 counties in 2022, at 14.5%. Story County had the lowest, at 7.6%. The median was 12.4%. Source: the Centers for Disease Control and Prevention.

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Highest14.5Appanoose County
Lowest7.6Story County
Median12.499 counties

Map of counties, 2022

Adair County: 12.9 %Adams County: 13.2 %Allamakee County: 13.2 %Appanoose County: 14.5 %Audubon County: 13.3 %Benton County: 12.3 %Black Hawk County: 11.4 %Boone County: 10.7 %Bremer County: 10.8 %Buchanan County: 11.7 %Buena Vista County: 12.4 %Butler County: 12.9 %Calhoun County: 12.5 %Carroll County: 12.1 %Cass County: 13.7 %Cedar County: 11.5 %Cerro Gordo County: 12.8 %Cherokee County: 13.5 %Chickasaw County: 12.1 %Clarke County: 13.7 %Clay County: 11.7 %Clayton County: 13.3 %Clinton County: 12 %Crawford County: 14.5 %Dallas County: 8.8 %Davis County: 12.2 %Decatur County: 11.4 %Delaware County: 11.6 %Des Moines County: 12.8 %Dickinson County: 13.2 %Dubuque County: 11.3 %Emmet County: 12.9 %Fayette County: 13.4 %Floyd County: 12.8 %Franklin County: 13.3 %Fremont County: 12 %Greene County: 13 %Grundy County: 11.1 %Guthrie County: 11.7 %Hamilton County: 12.1 %Hancock County: 11.8 %Hardin County: 12.9 %Harrison County: 12.8 %Henry County: 12 %Howard County: 12.6 %Humboldt County: 13.3 %Ida County: 12.3 %Iowa County: 11.5 %Jackson County: 13.1 %Jasper County: 11.1 %Jefferson County: 13.7 %Johnson County: 8.4 %Jones County: 12.1 %Keokuk County: 13.1 %Kossuth County: 13.1 %Lee County: 13.5 %Linn County: 11.3 %Louisa County: 14.4 %Lucas County: 14.4 %Lyon County: 10.7 %Madison County: 10.4 %Mahaska County: 11.6 %Marion County: 10.2 %Marshall County: 12.4 %Mills County: 12.2 %Mitchell County: 12.1 %Monona County: 13.5 %Monroe County: 11.3 %Montgomery County: 13.5 %Muscatine County: 12.3 %O'Brien County: 13.3 %Osceola County: 13.1 %Page County: 13.1 %Palo Alto County: 12.2 %Plymouth County: 11.1 %Pocahontas County: 12.7 %Polk County: 10.5 %Pottawattamie County: 12.8 %Poweshiek County: 11.5 %Ringgold County: 13.4 %Sac County: 12.1 %Scott County: 11.1 %Shelby County: 13.1 %Sioux County: 10.2 %Story County: 7.6 %Tama County: 14 %Taylor County: 13.3 %Union County: 11.8 %Van Buren County: 13.9 %Wapello County: 13.9 %Warren County: 11 %Washington County: 11.6 %Wayne County: 13.8 %Webster County: 11.6 %Winnebago County: 11 %Winneshiek County: 10.1 %Woodbury County: 12.4 %Worth County: 12.4 %Wright County: 14.3 %
  • Under 11
  • 11 to 12
  • 12 to 13
  • 13 and over
%, 2022. 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, 2022

Appanoose County: 14.5 %Appanoose County14.5Crawford County: 14.5 %Crawford County14.5Louisa County: 14.4 %Louisa County14.4Lucas County: 14.4 %Lucas County14.4Wright County: 14.3 %Wright County14.3Tama County: 14 %Tama County14Van Buren County: 13.9 %Van Buren County13.9Wapello County: 13.9 %Wapello County13.9Wayne County: 13.8 %Wayne County13.8Cass County: 13.7 %Cass County13.7Clarke County: 13.7 %Clarke County13.7Jefferson County: 13.7 %Jefferson County13.7Cherokee County: 13.5 %Cherokee County13.5Lee County: 13.5 %Lee County13.5Monona County: 13.5 %Monona County13.5Montgomery County: 13.5 %Montgomery County13.5Fayette County: 13.4 %Fayette County13.4Ringgold County: 13.4 %Ringgold County13.4Audubon County: 13.3 %Audubon County13.3Clayton County: 13.3 %Clayton County13.3Franklin County: 13.3 %Franklin County13.3Humboldt County: 13.3 %Humboldt County13.3O'Brien County: 13.3 %O'Brien County13.3Taylor County: 13.3 %Taylor County13.3Adams County: 13.2 %Adams County13.2Allamakee County: 13.2 %Allamakee County13.2Dickinson County: 13.2 %Dickinson County13.2Jackson County: 13.1 %Jackson County13.1Keokuk County: 13.1 %Keokuk County13.1Kossuth County: 13.1 %Kossuth County13.1Osceola County: 13.1 %Osceola County13.1Page County: 13.1 %Page County13.1Shelby County: 13.1 %Shelby County13.1Greene County: 13 %Greene County13Adair County: 12.9 %Adair County12.9Butler County: 12.9 %Butler County12.9Emmet County: 12.9 %Emmet County12.9Hardin County: 12.9 %Hardin County12.9Cerro Gordo County: 12.8 %Cerro Gordo County12.8Des Moines County: 12.8 %Des Moines County12.8Appanoose County: 14.5 %Appanoose County14.5Crawford County: 14.5 %Crawford County14.5Louisa County: 14.4 %Louisa County14.4Lucas County: 14.4 %Lucas County14.4Wright County: 14.3 %Wright County14.3Tama County: 14 %Tama County14Van Buren County: 13.9 %Van Buren County13.9Wapello County: 13.9 %Wapello County13.9Wayne County: 13.8 %Wayne County13.8Cass County: 13.7 %Cass County13.7Clarke County: 13.7 %Clarke County13.7Jefferson County: 13.7 %Jefferson County13.7Cherokee County: 13.5 %Cherokee County13.5Lee County: 13.5 %Lee County13.5Monona County: 13.5 %Monona County13.5Montgomery County: 13.5 %Montgomery County13.5Fayette County: 13.4 %Fayette County13.4Ringgold County: 13.4 %Ringgold County13.4Audubon County: 13.3 %Audubon County13.3Clayton County: 13.3 %Clayton County13.3Franklin County: 13.3 %Franklin County13.3Humboldt County: 13.3 %Humboldt County13.3O'Brien County: 13.3 %O'Brien County13.3Taylor County: 13.3 %Taylor County13.3Adams County: 13.2 %Adams County13.2Allamakee County: 13.2 %Allamakee County13.2Dickinson County: 13.2 %Dickinson County13.2Jackson County: 13.1 %Jackson County13.1Keokuk County: 13.1 %Keokuk County13.1Kossuth County: 13.1 %Kossuth County13.1Osceola County: 13.1 %Osceola County13.1Page County: 13.1 %Page County13.1Shelby County: 13.1 %Shelby County13.1Greene County: 13 %Greene County13Adair County: 12.9 %Adair County12.9Butler County: 12.9 %Butler County12.9Emmet County: 12.9 %Emmet County12.9Hardin County: 12.9 %Hardin County12.9Cerro Gordo County: 12.8 %Cerro Gordo County12.8Des Moines County: 12.8 %Des Moines County12.8
%. 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

RankCounties2022 (%)Change on 2021
1Appanoose County14.5+1.1 pts
1Crawford County14.5+1.9 pts
3Louisa County14.4+2.5 pts
3Lucas County14.4+1.9 pts
5Wright County14.3+2.1 pts
6Tama County14+1.7 pts
7Van Buren County13.9+1.1 pts
7Wapello County13.9+2.1 pts
9Wayne County13.8+1.8 pts
10Cass County13.7+1.6 pts
10Clarke County13.7+1.1 pts
10Jefferson County13.7+2.3 pts
13Cherokee County13.5+1.4 pts
13Lee County13.5+1.5 pts
13Monona County13.5+1.6 pts
13Montgomery County13.5+1.2 pts
17Fayette County13.4+1.5 pts
17Ringgold County13.4+1.5 pts
19Audubon County13.3+1.4 pts
19Clayton County13.3+1 pts
19Franklin County13.3+1.1 pts
19Humboldt County13.3+1.6 pts
19O'Brien County13.3+2.3 pts
19Taylor County13.3+2.1 pts
25Adams County13.2+1.6 pts
25Allamakee County13.2+1.3 pts
25Dickinson County13.2+2.5 pts
28Jackson County13.1+1.7 pts
28Keokuk County13.1+1.4 pts
28Kossuth County13.1+1.2 pts
28Osceola County13.1+1.8 pts
28Page County13.1+1.2 pts
28Shelby County13.1+2.2 pts
34Greene County13+1.2 pts
35Adair County12.9+1.4 pts
35Butler County12.9+1.5 pts
35Emmet County12.9+1.4 pts
35Hardin County12.9+1.8 pts
39Cerro Gordo County12.8+1.8 pts
39Des Moines County12.8+1.3 pts
39Floyd County12.8+1.5 pts
39Harrison County12.8+2.2 pts
39Pottawattamie County12.8+2 pts
44Pocahontas County12.7+0.6 pts
45Howard County12.6+1.9 pts
46Calhoun County12.5+1.3 pts
47Buena Vista County12.4+1.2 pts
47Marshall County12.4+1.1 pts
47Woodbury County12.4+1.3 pts
47Worth County12.4+1.8 pts
51Benton County12.3+2.1 pts
51Ida County12.3+1 pts
51Muscatine County12.3+1.7 pts
54Davis County12.2+1.6 pts
54Mills County12.2+2.1 pts
54Palo Alto County12.2+1.6 pts
57Carroll County12.1+1.3 pts
57Chickasaw County12.1+1.5 pts
57Hamilton County12.1+1.7 pts
57Jones County12.1+1 pts
57Mitchell County12.1+1.3 pts
57Sac County12.1+0.8 pts
63Clinton County12+0.3 pts
63Fremont County12+0.3 pts
63Henry County12+1.5 pts
66Hancock County11.8+0.8 pts
66Union County11.8+1.1 pts
68Buchanan County11.7+1.8 pts
68Clay County11.7+1 pts
68Guthrie County11.7+0.8 pts
71Delaware County11.6+1 pts
71Mahaska County11.6+1.1 pts
71Washington County11.6+1.3 pts
71Webster County11.6+0.8 pts
75Cedar County11.5+1.2 pts
75Iowa County11.5+1.4 pts
75Poweshiek County11.5+1.5 pts
78Black Hawk County11.4+1.2 pts
78Decatur County11.4+0.7 pts
80Dubuque County11.3+1.7 pts
80Linn County11.3+2.2 pts
80Monroe County11.3+0.9 pts
83Grundy County11.1+1.6 pts
83Jasper County11.1+0.8 pts
83Plymouth County11.1+1.1 pts
83Scott County11.1+1.1 pts
87Warren County11+2.6 pts
87Winnebago County11+0.6 pts
89Bremer County10.8+1.9 pts
90Boone County10.7+1 pts
90Lyon County10.7+1.1 pts
92Polk County10.5+1.8 pts
93Madison County10.4+1.3 pts
94Marion County10.2+0.5 pts
94Sioux County10.2+2.3 pts
96Winneshiek County10.1+0.6 pts
97Dallas County8.8+1.4 pts
98Johnson County8.4+1 pts
99Story County7.6+0.4 pts

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 Iowa by diagnosed diabetes in adults, local model estimate, 2022) [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 Iowa by diagnosed diabetes in adults, local model estimate, 2022. Centers for Disease Control and Prevention, 4 Dec. 2025, https://www.cdc.gov/places/. Invokely, https://invokely.ai/rankings/adult-diabetes-rate-county-estimate/iowa-counties?period=2022. 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 Iowa by diagnosed diabetes in adults, local model estimate, 2022. Dataset. Accessed October 12, 2026. https://www.cdc.gov/places/. Also distributed by Invokely, https://invokely.ai/rankings/adult-diabetes-rate-county-estimate/iowa-counties?period=2022.

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 Iowa by diagnosed diabetes in adults, local model estimate, 2022 [Dataset]. Available at: https://www.cdc.gov/places/, via Invokely: https://invokely.ai/rankings/adult-diabetes-rate-county-estimate/iowa-counties?period=2022 (Accessed: 12 October 2026).

BibTeX
@misc{centers_counties_in_iowa_by_2022,
  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 Iowa by diagnosed diabetes in adults, local model estimate, 2022}},
  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/iowa-counties?period=2022. 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 Iowa by diagnosed diabetes in adults, local model estimate, 2022
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/iowa-counties?period=2022
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/adult-diabetes-rate-county-estimate/iowa-counties?period=2022.
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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Rank Counties in Iowa by diagnosed diabetes in adults, local model estimate using official data, and cite the source.
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Questions

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

Appanoose County, with 14.5% in 2022, according to the Centers for Disease Control and Prevention.

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

Story County, with 7.6% in 2022.

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 Iowa: more rankings