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National Average Prevalence

National Average
14.4%
Category
Health Status
Counties Reporting
5,914

Prevalence Range

Lowest Prevalence
8.7%
Highest Prevalence
23.6%

Top 10 Highest-Prevalence Counties

Rank County State Prevalence
1 Oglala Lakota SD 23.6%
2 Kusilvak AK 23.2%
3 Hancock TN 22.7%
4 Todd SD 22.7%
5 Oglala Lakota SD 22.5%
6 Mingo WV 22.4%
7 Kusilvak AK 22.4%
8 McDowell WV 22.2%
9 McKinley NM 22.2%
10 Calhoun WV 22.0%

Top 10 Lowest-Prevalence Counties

Rank County State Prevalence
1 Falls Church VA 8.7%
2 Arlington VA 8.8%
3 Howard MD 8.9%
4 Los Alamos NM 9.0%
5 Arlington VA 9.0%
6 Douglas CO 9.1%
7 Hamilton IN 9.1%
8 Johnson KS 9.1%
9 District of Columbia DC 9.2%
10 Carver MN 9.2%

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 →