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

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

Wayne County had the highest current asthma in adults, local model estimate of 83 counties in 2021, at 12.2%. Leelanau County had the lowest, at 9.7%. The median was 10.9%. Source: the Centers for Disease Control and Prevention.

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Highest12.2Wayne County
Lowest9.7Leelanau County
Median10.983 counties

Map of counties, 2021

Alcona County: 10.6 %Alger County: 10.5 %Allegan County: 10.9 %Alpena County: 11.2 %Antrim County: 10.4 %Arenac County: 11 %Baraga County: 11.2 %Barry County: 10.6 %Bay County: 11.2 %Benzie County: 10.3 %Berrien County: 11 %Branch County: 10.9 %Calhoun County: 11.3 %Cass County: 10.8 %Charlevoix County: 10.4 %Cheboygan County: 10.9 %Chippewa County: 11.3 %Clare County: 11.6 %Clinton County: 10.5 %Crawford County: 10.8 %Delta County: 10.9 %Dickinson County: 10.5 %Eaton County: 10.6 %Emmet County: 10.3 %Genesee County: 11.7 %Gladwin County: 11 %Gogebic County: 10.8 %Grand Traverse County: 10.5 %Gratiot County: 10.8 %Hillsdale County: 11.3 %Houghton County: 10.7 %Huron County: 10.7 %Ingham County: 11.6 %Ionia County: 10.6 %Iosco County: 11 %Iron County: 10.7 %Isabella County: 12 %Jackson County: 10.9 %Kalamazoo County: 11.1 %Kalkaska County: 11.3 %Kent County: 10.4 %Keweenaw County: 9.8 %Lake County: 11.6 %Lapeer County: 10.7 %Leelanau County: 9.7 %Lenawee County: 10.9 %Livingston County: 10.1 %Luce County: 10.7 %Mackinac County: 11.2 %Macomb County: 11.1 %Manistee County: 10.5 %Marquette County: 11 %Mason County: 10.8 %Mecosta County: 11.3 %Menominee County: 10.7 %Midland County: 10.5 %Missaukee County: 11 %Monroe County: 10.6 %Montcalm County: 10.9 %Montmorency County: 10.9 %Muskegon County: 11.2 %Newaygo County: 10.9 %Oakland County: 10.1 %Oceana County: 10.8 %Ogemaw County: 11.3 %Ontonagon County: 10.5 %Osceola County: 11 %Oscoda County: 11.2 %Otsego County: 10.8 %Ottawa County: 10.2 %Presque Isle County: 10.7 %Roscommon County: 10.9 %Saginaw County: 11.1 %St. Clair County: 11 %St. Joseph County: 11.1 %Sanilac County: 11 %Schoolcraft County: 11.2 %Shiawassee County: 11 %Tuscola County: 10.9 %Van Buren County: 10.9 %Washtenaw County: 10.4 %Wayne County: 12.2 %Wexford County: 10.9 %
  • Under 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

Wayne County: 12.2 %Wayne County12.2Isabella County: 12 %Isabella County12Genesee County: 11.7 %Genesee County11.7Clare County: 11.6 %Clare County11.6Ingham County: 11.6 %Ingham County11.6Lake County: 11.6 %Lake County11.6Calhoun County: 11.3 %Calhoun County11.3Chippewa County: 11.3 %Chippewa County11.3Hillsdale County: 11.3 %Hillsdale County11.3Kalkaska County: 11.3 %Kalkaska County11.3Mecosta County: 11.3 %Mecosta County11.3Ogemaw County: 11.3 %Ogemaw County11.3Alpena County: 11.2 %Alpena County11.2Baraga County: 11.2 %Baraga County11.2Bay County: 11.2 %Bay County11.2Mackinac County: 11.2 %Mackinac County11.2Muskegon County: 11.2 %Muskegon County11.2Oscoda County: 11.2 %Oscoda County11.2Schoolcraft County: 11.2 %Schoolcraft County11.2Kalamazoo County: 11.1 %Kalamazoo County11.1Macomb County: 11.1 %Macomb County11.1Saginaw County: 11.1 %Saginaw County11.1St. Joseph County: 11.1 %St. Joseph County11.1Arenac County: 11 %Arenac County11Berrien County: 11 %Berrien County11Gladwin County: 11 %Gladwin County11Iosco County: 11 %Iosco County11Marquette County: 11 %Marquette County11Missaukee County: 11 %Missaukee County11Osceola County: 11 %Osceola County11Sanilac County: 11 %Sanilac County11Shiawassee County: 11 %Shiawassee County11St. Clair County: 11 %St. Clair County11Allegan County: 10.9 %Allegan County10.9Branch County: 10.9 %Branch County10.9Cheboygan County: 10.9 %Cheboygan County10.9Delta County: 10.9 %Delta County10.9Jackson County: 10.9 %Jackson County10.9Lenawee County: 10.9 %Lenawee County10.9Montcalm County: 10.9 %Montcalm County10.9Wayne County: 12.2 %Wayne County12.2Isabella County: 12 %Isabella County12Genesee County: 11.7 %Genesee County11.7Clare County: 11.6 %Clare County11.6Ingham County: 11.6 %Ingham County11.6Lake County: 11.6 %Lake County11.6Calhoun County: 11.3 %Calhoun County11.3Chippewa County: 11.3 %Chippewa County11.3Hillsdale County: 11.3 %Hillsdale County11.3Kalkaska County: 11.3 %Kalkaska County11.3Mecosta County: 11.3 %Mecosta County11.3Ogemaw County: 11.3 %Ogemaw County11.3Alpena County: 11.2 %Alpena County11.2Baraga County: 11.2 %Baraga County11.2Bay County: 11.2 %Bay County11.2Mackinac County: 11.2 %Mackinac County11.2Muskegon County: 11.2 %Muskegon County11.2Oscoda County: 11.2 %Oscoda County11.2Schoolcraft County: 11.2 %Schoolcraft County11.2Kalamazoo County: 11.1 %Kalamazoo County11.1Macomb County: 11.1 %Macomb County11.1Saginaw County: 11.1 %Saginaw County11.1St. Joseph County: 11.1 %St. Joseph County11.1Arenac County: 11 %Arenac County11Berrien County: 11 %Berrien County11Gladwin County: 11 %Gladwin County11Iosco County: 11 %Iosco County11Marquette County: 11 %Marquette County11Missaukee County: 11 %Missaukee County11Osceola County: 11 %Osceola County11Sanilac County: 11 %Sanilac County11Shiawassee County: 11 %Shiawassee County11St. Clair County: 11 %St. Clair County11Allegan County: 10.9 %Allegan County10.9Branch County: 10.9 %Branch County10.9Cheboygan County: 10.9 %Cheboygan County10.9Delta County: 10.9 %Delta County10.9Jackson County: 10.9 %Jackson County10.9Lenawee County: 10.9 %Lenawee County10.9Montcalm County: 10.9 %Montcalm County10.9
%. 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 (%)
1Wayne County12.2
2Isabella County12
3Genesee County11.7
4Clare County11.6
4Ingham County11.6
4Lake County11.6
7Calhoun County11.3
7Chippewa County11.3
7Hillsdale County11.3
7Kalkaska County11.3
7Mecosta County11.3
7Ogemaw County11.3
13Alpena County11.2
13Baraga County11.2
13Bay County11.2
13Mackinac County11.2
13Muskegon County11.2
13Oscoda County11.2
13Schoolcraft County11.2
20Kalamazoo County11.1
20Macomb County11.1
20Saginaw County11.1
20St. Joseph County11.1
24Arenac County11
24Berrien County11
24Gladwin County11
24Iosco County11
24Marquette County11
24Missaukee County11
24Osceola County11
24Sanilac County11
24Shiawassee County11
24St. Clair County11
34Allegan County10.9
34Branch County10.9
34Cheboygan County10.9
34Delta County10.9
34Jackson County10.9
34Lenawee County10.9
34Montcalm County10.9
34Montmorency County10.9
34Newaygo County10.9
34Roscommon County10.9
34Tuscola County10.9
34Van Buren County10.9
34Wexford County10.9
47Cass County10.8
47Crawford County10.8
47Gogebic County10.8
47Gratiot County10.8
47Mason County10.8
47Oceana County10.8
47Otsego County10.8
54Houghton County10.7
54Huron County10.7
54Iron County10.7
54Lapeer County10.7
54Luce County10.7
54Menominee County10.7
54Presque Isle County10.7
61Alcona County10.6
61Barry County10.6
61Eaton County10.6
61Ionia County10.6
61Monroe County10.6
66Alger County10.5
66Clinton County10.5
66Dickinson County10.5
66Grand Traverse County10.5
66Manistee County10.5
66Midland County10.5
66Ontonagon County10.5
73Antrim County10.4
73Charlevoix County10.4
73Kent County10.4
73Washtenaw County10.4
77Benzie County10.3
77Emmet County10.3
79Ottawa County10.2
80Livingston County10.1
80Oakland County10.1
82Keweenaw County9.8
83Leelanau County9.7

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 Michigan 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 Michigan 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/michigan-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 Michigan 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/michigan-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 Michigan 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/michigan-counties?period=2021 (Accessed: 12 October 2026).

BibTeX
@misc{centers_counties_in_michigan_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 Michigan 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/michigan-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 Michigan 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/michigan-counties?period=2021
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/adult-asthma-rate-county-estimate/michigan-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 Michigan 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":"Michigan","limit":10}
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Questions

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

Wayne County, with 12.2% in 2021, according to the Centers for Disease Control and Prevention.

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

Leelanau County, with 9.7% 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 Michigan: more rankings