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National Average Prevalence

National Average
33.5%
Category
Disability
Counties Reporting
5,914

Prevalence Range

Lowest Prevalence
18.9%
Highest Prevalence
52.3%

Top 10 Highest-Prevalence Counties

Rank County State Prevalence
1 Oglala Lakota SD 52.3%
2 Oglala Lakota SD 51.3%
3 East Carroll LA 50.8%
4 Claiborne LA 50.7%
5 Tensas LA 50.5%
6 Greene AL 50.4%
7 East Carroll LA 50.1%
8 Todd SD 50.0%
9 Kusilvak AK 49.9%
10 Bullock AL 49.7%

Top 10 Lowest-Prevalence Counties

Rank County State Prevalence
1 Somerset NJ 18.9%
2 Delaware OH 19.0%
3 Morris NJ 19.3%
4 Delaware OH 19.6%
5 Howard MD 20.1%
6 Somerset NJ 20.1%
7 Los Alamos NM 20.1%
8 Bergen NJ 20.1%
9 Falls Church VA 20.4%
10 Hunterdon NJ 20.5%

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 →