Current asthma in adults, local model estimate

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.

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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.

Key facts

Figures last updated on 2026-10-12.

Rankings

US counties by current asthma in adults, local model estimate, 2023

Top 15. Source: Centers for Disease Control and Prevention.

Todd County: 15.3 %Todd County15.3Oglala Lakota County: 15 %Oglala Lakota County15Kusilvak Census Area: 14.7 %Kusilvak Census Area14.7Sioux County: 14.7 %Sioux County14.7Glacier County: 14.6 %Glacier County14.6Apache County: 14.3 %Apache County14.3McKinley County: 14.2 %McKinley County14.2Roosevelt County: 14.2 %Roosevelt County14.2Big Horn County: 14.1 %Big Horn County14.1Buffalo County: 14 %Buffalo County14Menominee County: 13.9 %Menominee County13.9Rolette County: 13.8 %Rolette County13.8Ziebach County: 13.8 %Ziebach County13.8Dewey County: 13.7 %Dewey County13.7Adair County: 13.6 %Adair County13.6Todd County: 15.3 %Todd County15.3Oglala Lakota County: 15 %Oglala Lakota County15Kusilvak Census Area: 14.7 %Kusilvak Census Area14.7Sioux County: 14.7 %Sioux County14.7Glacier County: 14.6 %Glacier County14.6Apache County: 14.3 %Apache County14.3McKinley County: 14.2 %McKinley County14.2Roosevelt County: 14.2 %Roosevelt County14.2Big Horn County: 14.1 %Big Horn County14.1Buffalo County: 14 %Buffalo County14Menominee County: 13.9 %Menominee County13.9Rolette County: 13.8 %Rolette County13.8Ziebach County: 13.8 %Ziebach County13.8Dewey County: 13.7 %Dewey County13.7Adair County: 13.6 %Adair County13.6
%. 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 of counties

Places with data

Published for provinces and counties, municipalities and cities.

Provinces and counties

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Which places have the highest current asthma in adults, local model estimate? Use official data and cite it.
rank_places {"indicator":"adult_asthma_rate_modelled","level":"province","within":"United States"}
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