Key points
Estimates of diagnosed COPD among adults differ across the 3,140 counties in the United States. Developing model-based estimates on the percentage of adults with COPD can help focus local public health programs.
![Map of the United States showing every county in the country.](/copd/media/images/blank_county.jpg)
Percentage of COPD among U.S. adults
Highlights
Estimates of diagnosed COPD among adults differ across U.S. counties. Diagnosed COPD ranged from 3.3% in Santa Clara County, California, to 15.8% in Wolfe County, Kentucky in 2021.
County-level Data
![PLACES logo: Illustration of city, morphing to suburbs, to rural. Slogan of Local Data for Better Health](/copd/media/images/CDCplaces_DFE.jpg)
For COPD prevalence estimates at the place, census tract, and ZIP Code Tabulation Area (ZCTAs) Levels, please visit PLACES: Local Data for Better Health | CDC.