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National Average Prevalence

National Average
57.8%
Category
Prevention
Counties Reporting
6,288

Prevalence Range

Lowest Prevalence
4.9%
Highest Prevalence
78.3%

Top 10 Highest-Prevalence Counties

Rank County State Prevalence
1 Falls Church VA 78.3%
2 Falls Church VA 78.3%
3 Los Alamos NM 78.3%
4 Los Alamos NM 78.0%
5 Washington RI 77.7%
6 Newport RI 77.0%
7 Leelanau MI 76.8%
8 Washington RI 76.7%
9 Lincoln SD 76.4%
10 Lincoln SD 76.4%

Top 10 Lowest-Prevalence Counties

Rank County State Prevalence
1 Sharkey MS 4.9%
2 Humphreys MS 5.0%
3 Sharkey MS 5.1%
4 Leflore MS 5.2%
5 Leflore MS 5.2%
6 Humphreys MS 5.2%
7 Tunica MS 5.3%
8 Tunica MS 5.3%
9 Holmes MS 5.4%
10 Holmes MS 5.5%

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 →