# Counties in Illinois by adult obesity rate, local model estimate, 2023

All 102 values come from Centers for Disease Control and Prevention for 2023, so the places are comparable.

- Indicator id: `adult_obesity_rate_modelled`
- Unit: %
- Definition: Percentage of adults with a body mass index of 30 or more, calculated from self-reported weight and height. Model-based estimate for adults aged 18 and over from CDC PLACES. Crude prevalence, not age-adjusted.
- Source: Centers for Disease Control and Prevention, PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), adult obesity rate, crude prevalence (https://www.cdc.gov/places/)
- Publisher page: https://invokely.ai/en/publishers/cdc
- Retrieved: 2026-10-12
- Citation: Centers for Disease Control and Prevention (CDC). PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), adult obesity rate, crude prevalence. https://www.cdc.gov/places/. Retrieved 2026-10-12. These data are available free from CDC. Use does not imply endorsement by CDC, ATSDR, HHS or the United States Government.
- Web page: https://invokely.ai/rankings/adult-obesity-rate-county-estimate/illinois-counties

| Rank | Place | % |
|---:|---|---:|
| 1 | Pulaski County | 45.6 |
| 2 | Alexander County | 45.3 |
| 3 | Vermilion County | 43.8 |
| 4 | Macon County | 42.1 |
| 5 | Winnebago County | 42 |
| 6 | Franklin County | 41.6 |
| 7 | Brown County | 41.5 |
| 7 | Clay County | 41.5 |
| 9 | Johnson County | 41.4 |
| 10 | Ogle County | 40.9 |
| 11 | Gallatin County | 40.8 |
| 11 | Massac County | 40.8 |
| 13 | Lawrence County | 40.7 |
| 13 | Perry County | 40.7 |
| 15 | Cass County | 40.6 |
| 15 | Iroquois County | 40.6 |
| 15 | Pike County | 40.6 |
| 15 | Stephenson County | 40.6 |
| 19 | Schuyler County | 40.4 |
| 20 | Edwards County | 40.3 |
| 20 | Saline County | 40.3 |
| 22 | Clinton County | 40.2 |
| 22 | Greene County | 40.2 |
| 24 | Crawford County | 40.1 |
| 24 | Williamson County | 40.1 |
| 26 | Hamilton County | 40 |
| 27 | Fulton County | 39.9 |
| 27 | Morgan County | 39.9 |
| 27 | Wayne County | 39.9 |
| 30 | Fayette County | 39.8 |
| 30 | Jackson County | 39.8 |
| 30 | Jefferson County | 39.8 |
| 30 | Kankakee County | 39.8 |
| 30 | Union County | 39.8 |
| 30 | Wabash County | 39.8 |
| 36 | Hardin County | 39.7 |
| 36 | Kendall County | 39.7 |
| 38 | Pope County | 39.6 |
| 38 | Rock Island County | 39.6 |
| 38 | Sangamon County | 39.6 |
| 41 | Marion County | 39.5 |
| 42 | Richland County | 39.4 |
| 43 | Knox County | 39.2 |
| 43 | White County | 39.2 |
| 45 | Montgomery County | 39.1 |
| 46 | Bond County | 39 |
| 46 | Jersey County | 39 |
| 48 | Lee County | 38.9 |
| 49 | Carroll County | 38.8 |
| 49 | Hancock County | 38.8 |
| 49 | Randolph County | 38.8 |
| 49 | St. Clair County | 38.8 |
| 53 | Cumberland County | 38.7 |
| 53 | Madison County | 38.7 |
| 55 | Henderson County | 38.6 |
| 55 | Marshall County | 38.6 |
| 55 | Mercer County | 38.6 |
| 58 | Douglas County | 38.5 |
| 58 | Logan County | 38.5 |
| 60 | Moultrie County | 38.4 |
| 60 | Scott County | 38.4 |
| 62 | De Witt County | 38.2 |
| 62 | Jasper County | 38.2 |
| 62 | Stark County | 38.2 |
| 65 | Bureau County | 38.1 |
| 65 | Christian County | 38.1 |
| 67 | Will County | 38 |
| 68 | Menard County | 37.9 |
| 69 | Adams County | 37.8 |
| 69 | LaSalle County | 37.8 |
| 71 | Coles County | 37.7 |
| 71 | Ford County | 37.7 |
| 73 | Shelby County | 37.6 |
| 74 | Edgar County | 37.5 |
| 75 | Clark County | 37.3 |
| 75 | Mason County | 37.3 |
| 75 | Woodford County | 37.3 |
| 78 | Macoupin County | 37 |
| 78 | Warren County | 37 |
| 80 | Henry County | 36.9 |
| 81 | Boone County | 36.8 |
| 81 | Washington County | 36.8 |
| 83 | Grundy County | 36.4 |
| 84 | McDonough County | 36.3 |
| 84 | Tazewell County | 36.3 |
| 86 | Whiteside County | 36.2 |
| 87 | Jo Daviess County | 36.1 |
| 87 | Putnam County | 36.1 |
| 89 | Livingston County | 35.9 |
| 90 | Monroe County | 35.5 |
| 91 | Calhoun County | 35.3 |
| 92 | DeKalb County | 35.1 |
| 92 | Kane County | 35.1 |
| 92 | Piatt County | 35.1 |
| 95 | Peoria County | 34.8 |
| 96 | McLean County | 34.5 |
| 97 | Effingham County | 34.3 |
| 98 | Lake County | 32.9 |
| 99 | McHenry County | 32.1 |
| 100 | Champaign County | 31.1 |
| 101 | Cook County | 31 |
| 102 | DuPage County | 29.2 |