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National Average Prevalence

National Average
76.3%
Category
Prevention
Counties Reporting
5,914

Prevalence Range

Lowest Prevalence
60.2%
Highest Prevalence
87.0%

Top 10 Highest-Prevalence Counties

Rank County State Prevalence
1 Sumter FL 87.0%
2 Bristol RI 86.1%
3 Kent RI 85.6%
4 Washington RI 85.5%
5 McCormick SC 85.5%
6 Newport RI 85.4%
7 Tensas LA 85.4%
8 Barnstable MA 85.3%
9 Northampton NC 85.0%
10 Greene AL 85.0%

Top 10 Lowest-Prevalence Counties

Rank County State Prevalence
1 Kalawao HI 60.2%
2 Kenai Peninsula AK 62.4%
3 Fremont WY 63.1%
4 Aleutians West AK 63.4%
5 Dillingham AK 63.5%
6 Bethel AK 63.6%
7 Dillingham AK 63.7%
8 Nome AK 64.0%
9 Kusilvak AK 64.1%
10 Southeast Fairbanks AK 64.2%

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 →