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National Average Prevalence

National Average
60.7%
Category
Prevention
Counties Reporting
6,288

Prevalence Range

Lowest Prevalence
39.4%
Highest Prevalence
79.1%

Top 10 Highest-Prevalence Counties

Rank County State Prevalence
1 Sumter FL 79.1%
2 Washington RI 78.4%
3 Leelanau MI 77.9%
4 Middlesex VA 77.1%
5 Newport RI 76.7%
6 Barnstable MA 76.4%
7 Kent RI 76.2%
8 Bristol RI 76.0%
9 Northumberland VA 75.7%
10 Georgetown SC 75.4%

Top 10 Lowest-Prevalence Counties

Rank County State Prevalence
1 Aleutians East AK 39.4%
2 Dimmit TX 39.4%
3 Kusilvak AK 40.1%
4 Kenedy TX 40.1%
5 McKinley NM 40.7%
6 Oglala Lakota SD 41.2%
7 Todd SD 41.4%
8 Starr TX 41.9%
9 Jim Hogg TX 42.0%
10 Hudspeth TX 42.7%

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 →