Diagnosed diabetes in adults, local model estimate

Percentage of adults who report being told by a doctor or other health professional that they have diabetes, other than diabetes only during pregnancy. Model-based estimate for adults aged 18 and over from CDC PLACES. Crude prevalence, not age-adjusted.

US counties and cities (incorporated places of 10,000 or more). CDC PLACES combines Behavioral Risk Factor Surveillance System (BRFSS) answers with local population data through multilevel regression and poststratification, so a county or city value is a model estimate, not a survey count. The year is the BRFSS survey year, not the release year. CDC says the method does not support tracking change in a place over time, and each annual release can change the model, so values for different years are not strictly comparable. A state is missing in a year when its BRFSS data did not meet standards (Kentucky and Pennsylvania in 2023, Florida in 2021). Connecticut counties appear as its nine planning regions from 2022; its eight former counties are not served. City values for 2021 come from the 2023 release, built on 2010 Census place boundaries; later years use 2020 boundaries.

Key facts

Figures last updated on 2026-10-12.

Rankings

US counties by diagnosed diabetes in adults, local model estimate, 2023

Top 15. Source: Centers for Disease Control and Prevention.

Greene County: 27.1 %Greene County27.1Sharkey County: 25.2 %Sharkey County25.2Tensas Parish: 25.1 %Tensas Parish25.1Randolph County: 24.9 %Randolph County24.9Humphreys County: 24.7 %Humphreys County24.7Bullock County: 24.6 %Bullock County24.6Perry County: 24.6 %Perry County24.6Lowndes County: 24.1 %Lowndes County24.1Wilcox County: 23.8 %Wilcox County23.8Jefferson County: 23.6 %Jefferson County23.6Quitman County: 23.6 %Quitman County23.6Dimmit County: 23.4 %Dimmit County23.4Holmes County: 23.3 %Holmes County23.3Baker County: 22.9 %Baker County22.9Claiborne Parish: 22.8 %Claiborne Parish22.8
%. Source: CDC, PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), diagnosed diabetes in adults, crude prevalence. Retrieved 2026-10-12.

Full ranking of counties

Places with data

Published for provinces and counties, municipalities and cities.

Provinces and counties

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