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National Average Prevalence

National Average
27.7%
Category
Health Risk Behaviors
Counties Reporting
5,914

Prevalence Range

Lowest Prevalence
12.1%
Highest Prevalence
49.5%

Top 10 Highest-Prevalence Counties

Rank County State Prevalence
1 Dimmit TX 49.5%
2 Dimmit TX 48.9%
3 Zavala TX 48.4%
4 Zavala TX 48.2%
5 Humphreys MS 47.9%
6 Jim Hogg TX 47.7%
7 Starr TX 47.6%
8 Zapata TX 47.1%
9 Zapata TX 47.1%
10 Starr TX 47.0%

Top 10 Lowest-Prevalence Counties

Rank County State Prevalence
1 Boulder CO 12.1%
2 Boulder CO 12.2%
3 Pitkin CO 12.6%
4 Los Alamos NM 12.7%
5 Jefferson CO 12.8%
6 Hinsdale CO 12.9%
7 Broomfield CO 13.1%
8 Douglas CO 13.3%
9 Jefferson CO 13.3%
10 Ouray CO 13.5%

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 →