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National Average Prevalence

National Average
17.9%
Category
Health Status
Counties Reporting
5,914

Prevalence Range

Lowest Prevalence
11.5%
Highest Prevalence
26.6%

Top 10 Highest-Prevalence Counties

Rank County State Prevalence
1 Mingo WV 26.6%
2 McDowell WV 26.0%
3 Calhoun WV 25.7%
4 Hancock TN 25.7%
5 Oglala Lakota SD 25.7%
6 Logan WV 25.4%
7 Webster WV 25.0%
8 Clay WV 25.0%
9 Wyoming WV 25.0%
10 Lincoln WV 24.9%

Top 10 Lowest-Prevalence Counties

Rank County State Prevalence
1 Sumter FL 11.5%
2 Wheeler NE 11.8%
3 Griggs ND 11.9%
4 Montgomery MD 12.0%
5 Los Alamos NM 12.1%
6 Loup NE 12.2%
7 Sheridan ND 12.2%
8 Fairfax VA 12.2%
9 Banner NE 12.3%
10 Nelson ND 12.3%

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 →