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National Average Prevalence

National Average
16.0%
Category
Health Outcomes
Counties Reporting
6,288

Prevalence Range

Lowest Prevalence
3.8%
Highest Prevalence
44.6%

Top 10 Highest-Prevalence Counties

Rank County State Prevalence
1 Kusilvak AK 44.6%
2 Todd SD 44.5%
3 Oglala Lakota SD 44.4%
4 Oglala Lakota SD 43.8%
5 East Carroll LA 43.5%
6 Mellette SD 42.8%
7 Mellette SD 42.4%
8 East Carroll LA 42.0%
9 Wolfe KY 41.1%
10 Todd SD 40.2%

Top 10 Lowest-Prevalence Counties

Rank County State Prevalence
1 Williamson TN 3.8%
2 Williamson TN 3.8%
3 Falls Church VA 4.0%
4 Falls Church VA 4.0%
5 Logan NE 4.2%
6 Forsyth GA 4.3%
7 Forsyth GA 4.3%
8 Los Alamos NM 4.3%
9 San Francisco CA 4.4%
10 San Francisco CA 4.4%

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 →