# Counties in Illinois by housing units, 2024

All 102 values come from U.S. Census Bureau for 2024, so the places are comparable.

- Indicator id: `housing_units`
- Unit: count
- Definition: All housing units, occupied and vacant: houses, apartments, mobile homes and rooms intended as separate living quarters. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.
- Source: U.S. Census Bureau, American Community Survey 5-year estimates, table B25001: total housing units (https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25001.dat)
- Publisher page: https://invokely.ai/en/publishers/us-census-bureau
- Retrieved: 2026-10-12
- Citation: U.S. Census Bureau. American Community Survey 5-year estimates, table B25001: total housing units. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25001.dat. Retrieved 2026-10-12.
- Web page: https://invokely.ai/rankings/housing-units/illinois-counties

| Rank | Place | count |
|---:|---|---:|
| 1 | Cook County | 2,276,493 |
| 2 | DuPage County | 367,152 |
| 3 | Lake County | 270,618 |
| 4 | Will County | 254,278 |
| 5 | Kane County | 190,921 |
| 6 | Winnebago County | 125,002 |
| 7 | McHenry County | 121,329 |
| 8 | Madison County | 119,168 |
| 9 | St. Clair County | 115,630 |
| 10 | Champaign County | 95,115 |
| 11 | Sangamon County | 93,382 |
| 12 | Peoria County | 84,930 |
| 13 | McLean County | 75,305 |
| 14 | Rock Island County | 66,759 |
| 15 | Tazewell County | 58,731 |
| 16 | LaSalle County | 49,843 |
| 17 | Macon County | 49,630 |
| 18 | Kendall County | 46,589 |
| 19 | Kankakee County | 45,415 |
| 20 | DeKalb County | 41,678 |
| 21 | Vermilion County | 34,327 |
| 22 | Williamson County | 32,084 |
| 23 | Adams County | 30,302 |
| 24 | Jackson County | 27,727 |
| 25 | Whiteside County | 25,837 |
| 26 | Knox County | 23,758 |
| 27 | Ogle County | 22,682 |
| 28 | Coles County | 22,681 |
| 29 | Henry County | 22,210 |
| 30 | Grundy County | 21,384 |
| 31 | Stephenson County | 21,330 |
| 32 | Macoupin County | 21,139 |
| 33 | Boone County | 20,291 |
| 34 | Franklin County | 18,462 |
| 35 | Marion County | 17,334 |
| 36 | Jefferson County | 16,629 |
| 37 | Livingston County | 15,930 |
| 38 | Fulton County | 15,848 |
| 39 | Clinton County | 15,765 |
| 40 | Woodford County | 15,758 |
| 41 | Bureau County | 15,630 |
| 42 | Effingham County | 15,413 |
| 43 | Christian County | 15,184 |
| 44 | Morgan County | 15,016 |
| 45 | Lee County | 14,995 |
| 46 | Monroe County | 14,759 |
| 47 | McDonough County | 13,587 |
| 48 | Jo Daviess County | 13,440 |
| 49 | Randolph County | 13,422 |
| 50 | Iroquois County | 12,789 |
| 51 | Montgomery County | 12,495 |
| 52 | Logan County | 11,967 |
| 53 | Saline County | 11,547 |
| 54 | Shelby County | 10,060 |
| 55 | Jersey County | 9,958 |
| 56 | Perry County | 9,152 |
| 57 | Hancock County | 8,938 |
| 58 | Fayette County | 8,808 |
| 59 | Douglas County | 8,507 |
| 60 | Crawford County | 8,457 |
| 61 | Edgar County | 8,214 |
| 62 | Carroll County | 8,204 |
| 63 | Union County | 7,851 |
| 64 | Wayne County | 7,680 |
| 65 | Warren County | 7,587 |
| 66 | Piatt County | 7,412 |
| 67 | Richland County | 7,363 |
| 68 | De Witt County | 7,320 |
| 69 | Clark County | 7,307 |
| 70 | Mercer County | 7,285 |
| 71 | Pike County | 7,273 |
| 72 | Bond County | 6,899 |
| 73 | Massac County | 6,822 |
| 74 | White County | 6,730 |
| 75 | Mason County | 6,622 |
| 76 | Washington County | 6,415 |
| 77 | Lawrence County | 6,407 |
| 78 | Ford County | 6,263 |
| 79 | Moultrie County | 6,240 |
| 80 | Clay County | 6,165 |
| 81 | Marshall County | 5,815 |
| 82 | Greene County | 5,785 |
| 83 | Cass County | 5,676 |
| 84 | Menard County | 5,600 |
| 85 | Johnson County | 5,541 |
| 86 | Wabash County | 5,410 |
| 87 | Cumberland County | 4,726 |
| 88 | Jasper County | 4,226 |
| 89 | Hamilton County | 3,803 |
| 90 | Henderson County | 3,366 |
| 91 | Schuyler County | 3,306 |
| 92 | Putnam County | 3,090 |
| 93 | Edwards County | 3,045 |
| 94 | Alexander County | 2,938 |
| 95 | Pulaski County | 2,851 |
| 96 | Stark County | 2,573 |
| 97 | Gallatin County | 2,505 |
| 98 | Scott County | 2,384 |
| 99 | Hardin County | 2,337 |
| 100 | Brown County | 2,321 |
| 101 | Calhoun County | 2,300 |
| 102 | Pope County | 2,225 |