Data / Rankings / Coronary heart disease in adults, local model estimate / Counties in Iowa

Counties in Iowa by coronary heart disease in adults, local model estimate

Appanoose County had the highest coronary heart disease in adults, local model estimate of 99 counties in 2021, at 8.6%. Dallas County had the lowest, at 4.2%. The median was 7.1%. Source: the Centers for Disease Control and Prevention.

Highest8.6Appanoose County
Lowest4.2Dallas County
Median7.199 counties

Top 40 counties, 2021

Appanoose County: 8.6 %Appanoose County8.6Clayton County: 8.4 %Clayton County8.4Van Buren County: 8.2 %Van Buren County8.2Lucas County: 8.1 %Lucas County8.1Pocahontas County: 8.1 %Pocahontas County8.1Ringgold County: 8.1 %Ringgold County8.1Cherokee County: 8 %Cherokee County8Monona County: 8 %Monona County8Wayne County: 8 %Wayne County8Wright County: 8 %Wright County8Audubon County: 7.9 %Audubon County7.9Kossuth County: 7.9 %Kossuth County7.9Allamakee County: 7.8 %Allamakee County7.8Cass County: 7.8 %Cass County7.8Montgomery County: 7.8 %Montgomery County7.8Adams County: 7.7 %Adams County7.7Clarke County: 7.7 %Clarke County7.7Franklin County: 7.7 %Franklin County7.7Greene County: 7.7 %Greene County7.7Keokuk County: 7.7 %Keokuk County7.7Adair County: 7.6 %Adair County7.6Fayette County: 7.6 %Fayette County7.6Fremont County: 7.6 %Fremont County7.6Sac County: 7.6 %Sac County7.6Tama County: 7.6 %Tama County7.6Humboldt County: 7.5 %Humboldt County7.5Jackson County: 7.5 %Jackson County7.5Osceola County: 7.5 %Osceola County7.5Page County: 7.5 %Page County7.5Calhoun County: 7.4 %Calhoun County7.4Hancock County: 7.4 %Hancock County7.4Taylor County: 7.4 %Taylor County7.4Butler County: 7.3 %Butler County7.3Dickinson County: 7.3 %Dickinson County7.3Emmet County: 7.3 %Emmet County7.3Hardin County: 7.3 %Hardin County7.3Ida County: 7.3 %Ida County7.3Clinton County: 7.2 %Clinton County7.2Crawford County: 7.2 %Crawford County7.2Floyd County: 7.2 %Floyd County7.2
%. Source: CDC, PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), coronary heart disease in adults, crude prevalence. Retrieved 2026-10-12.

Full ranking

RankCounties2021 (%)
1Appanoose County8.6
2Clayton County8.4
3Van Buren County8.2
4Lucas County8.1
4Pocahontas County8.1
4Ringgold County8.1
7Cherokee County8
7Monona County8
7Wayne County8
7Wright County8
11Audubon County7.9
11Kossuth County7.9
13Allamakee County7.8
13Cass County7.8
13Montgomery County7.8
16Adams County7.7
16Clarke County7.7
16Franklin County7.7
16Greene County7.7
16Keokuk County7.7
21Adair County7.6
21Fayette County7.6
21Fremont County7.6
21Sac County7.6
21Tama County7.6
26Humboldt County7.5
26Jackson County7.5
26Osceola County7.5
26Page County7.5
30Calhoun County7.4
30Hancock County7.4
30Taylor County7.4
33Butler County7.3
33Dickinson County7.3
33Emmet County7.3
33Hardin County7.3
33Ida County7.3
38Clinton County7.2
38Crawford County7.2
38Floyd County7.2
38Guthrie County7.2
38Lee County7.2
38O'Brien County7.2
38Shelby County7.2
45Chickasaw County7.1
45Clay County7.1
45Davis County7.1
45Des Moines County7.1
45Howard County7.1
45Mitchell County7.1
45Wapello County7.1
52Carroll County7
52Cerro Gordo County7
52Decatur County7
52Delaware County7
52Jefferson County7
52Jones County7
52Palo Alto County7
52Union County7
52Worth County7
61Harrison County6.9
61Louisa County6.9
63Hamilton County6.7
63Mahaska County6.7
63Monroe County6.7
63Washington County6.7
63Webster County6.7
63Winnebago County6.7
69Henry County6.6
69Jasper County6.6
69Marshall County6.6
72Benton County6.5
72Cedar County6.5
72Iowa County6.5
72Pottawattamie County6.5
72Poweshiek County6.5
77Buena Vista County6.4
77Mills County6.4
79Buchanan County6.3
79Grundy County6.3
79Lyon County6.3
79Muscatine County6.3
79Plymouth County6.3
79Winneshiek County6.3
85Boone County6.1
85Marion County6.1
87Dubuque County6
87Woodbury County6
89Black Hawk County5.8
89Bremer County5.8
89Madison County5.8
92Scott County5.7
93Linn County5.5
94Sioux County5.3
94Warren County5.3
96Polk County5.2
97Johnson County4.3
97Story County4.3
99Dallas County4.2

Other periods

About this ranking

Percentage of adults who have ever been told by a doctor, nurse or other health professional that they had angina or coronary heart disease. 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), coronary heart disease 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), coronary heart disease in adults, crude prevalence (Counties in Iowa by coronary heart disease 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), coronary heart disease in adults, crude prevalence, Counties in Iowa by coronary heart disease 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-coronary-heart-disease-rate-county-estimate/iowa-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), coronary heart disease in adults, crude prevalence. Counties in Iowa by coronary heart disease 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-coronary-heart-disease-rate-county-estimate/iowa-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), coronary heart disease in adults, crude prevalence, Counties in Iowa by coronary heart disease in adults, local model estimate, 2021 [Dataset]. Available at: https://www.cdc.gov/places/, via Invokely: https://invokely.ai/rankings/adult-coronary-heart-disease-rate-county-estimate/iowa-counties?period=2021 (Accessed: 12 October 2026).

BibTeX
@misc{centers_counties_in_iowa_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), coronary heart disease in adults, crude prevalence: Counties in Iowa by coronary heart disease 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-coronary-heart-disease-rate-county-estimate/iowa-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), coronary heart disease 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), coronary heart disease in adults, crude prevalence: Counties in Iowa by coronary heart disease 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-coronary-heart-disease-rate-county-estimate/iowa-counties?period=2021
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/adult-coronary-heart-disease-rate-county-estimate/iowa-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), coronary heart disease 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 coronary heart disease in adults, local model estimate using official data, and cite the source.
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Questions

Which county has the highest coronary heart disease in adults, local model estimate?

Appanoose County, with 8.6% in 2021, according to the Centers for Disease Control and Prevention.

Which county has the lowest coronary heart disease in adults, local model estimate?

Dallas County, with 4.2% 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), coronary heart disease in adults, crude prevalence. Retrieved 2026-10-12.

Coronary heart disease in adults, local model estimate: other rankings

Counties in Iowa: more rankings