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National Average Prevalence

National Average
35.1%
Category
Health Outcomes
Counties Reporting
5,914

Prevalence Range

Lowest Prevalence
21.2%
Highest Prevalence
51.4%

Top 10 Highest-Prevalence Counties

Rank County State Prevalence
1 Sumter FL 51.4%
2 Sussex DE 48.5%
3 McCormick SC 47.7%
4 Jeff Davis TX 47.4%
5 Pendleton WV 47.2%
6 Webster WV 47.1%
7 Calhoun WV 46.8%
8 Lancaster VA 46.7%
9 Pocahontas WV 46.6%
10 Ritchie WV 46.6%

Top 10 Lowest-Prevalence Counties

Rank County State Prevalence
1 Madison ID 21.2%
2 Lamoille VT 25.0%
3 Twin Falls ID 25.9%
4 Riley KS 25.9%
5 Windsor VT 25.9%
6 Chittenden VT 25.9%
7 Lake MT 26.0%
8 Chattahoochee GA 26.2%
9 Carver MN 26.3%
10 Grand Isle VT 26.3%

Related Entities

Methodology

Data source: CDC PLACES County-Level Data (dataset ID: cdc-places). Vintage: 2026. Downloaded: 2026-04-13. Rows in source: 229,298.

CDC PLACES provides county-level prevalence estimates for chronic diseases, health behaviors, and preventive services from the Behavioral Risk Factor Surveillance System (BRFSS). Values represent model-based estimates of age-adjusted prevalence.

Full methodology →