Facts
- Population
- 12,710,158 (2024)
- Change since 2020
- -0.9 %
- Natural change, 2023
- 10,090
- Unemployment rate
- 5.0 % (2024)
- Population base, April 2020
- 12,821,814 (2020)
- Births
- 127,001 (2023)
- Births per 1,000 residents, 2023
- 10.0
- Deaths
- 116,911 (2023)
- Deaths per 1,000 residents, 2023
- 9.2
- International migration
- 92,822 (2023)
- Domestic migration
- -81,875 (2023)
- Net migration
- 10,947 (2023)
- Net migration per 1,000, 2023
- 0.9
- Postal code
- IL
- FIPS code
- 17
Sources: US Census Bureau — Population Estimates, Bureau of Labor Statistics — LAUS
Population estimates, 2020–2024
| Period | Value |
|---|---|
| 2024 | 12,710,158 |
| 2023 | 12,642,259 |
| 2022 | 12,621,821 |
| 2021 | 12,700,641 |
| 2020 | 12,799,088 |
Unemployment rate, annual average
| Period | Value |
|---|---|
| 2024 | 5.0 % |
| 2023 | 4.5 % |
| 2022 | 4.6 % |
| 2021 | 6.1 % |
| 2020 | 9.3 % |
Counties · 102
| # | County | Population | Change since 2020 | Unemployment rate |
|---|---|---|---|---|
| 1 | Cook County | 5,182,617 | -1.8 % | 4.8 % |
| 2 | DuPage County | 937,142 | 0.4 % | 3.9 % |
| 3 | Lake County | 718,604 | 0.6 % | 4.7 % |
| 4 | Will County | 708,583 | 1.6 % | 4.6 % |
| 5 | Kane County | 520,997 | 0.8 % | 4.7 % |
| 6 | McHenry County | 315,959 | 1.8 % | 4.1 % |
| 7 | Winnebago County | 283,790 | -0.6 % | 5.4 % |
| 8 | Madison County | 263,017 | -1.1 % | 4.0 % |
| 9 | St. Clair County | 251,149 | -2.5 % | 4.5 % |
| 10 | Champaign County | 212,374 | 2.9 % | 4.1 % |
| 11 | Sangamon County | 194,345 | -1.1 % | 4.4 % |
| 12 | Peoria County | 179,630 | -1.3 % | 5.3 % |
| 13 | McLean County | 172,069 | 0.5 % | 3.9 % |
| 14 | Kendall County | 143,171 | 8.6 % | 4.3 % |
| 15 | Rock Island County | 142,731 | -1.3 % | 5.2 % |
| 16 | Tazewell County | 129,821 | -1.3 % | 4.5 % |
| 17 | LaSalle County | 108,390 | -1.1 % | 5.4 % |
| 18 | Kankakee County | 106,410 | -1.1 % | 5.5 % |
| 19 | DeKalb County | 101,335 | 0.8 % | 4.5 % |
| 20 | Macon County | 100,737 | -3.1 % | 5.8 % |
| 21 | Vermilion County | 71,106 | -4.2 % | 5.6 % |
| 22 | Williamson County | 67,064 | -0.1 % | 4.2 % |
| 23 | Adams County | 64,109 | -2.5 % | 3.5 % |
| 24 | Whiteside County | 54,657 | -1.9 % | 4.6 % |
| 25 | Grundy County | 53,835 | 2.4 % | 4.7 % |
| 26 | Boone County | 53,313 | -0.2 % | 5.5 % |
| 27 | Jackson County | 53,199 | -0.3 % | 4.8 % |
| 28 | Ogle County | 51,345 | -1.0 % | 4.7 % |
| 29 | Knox County | 48,716 | -2.5 % | 5.1 % |
| 30 | Henry County | 48,177 | -2.3 % | 5.1 % |
| 31 | Coles County | 46,423 | -1.6 % | 3.8 % |
| 32 | Macoupin County | 43,895 | -2.5 % | 4.5 % |
| 33 | Stephenson County | 43,088 | -3.6 % | 4.5 % |
| 34 | Woodford County | 38,290 | -0.4 % | 3.7 % |
| 35 | Clinton County | 37,087 | 0.5 % | 3.3 % |
| 36 | Franklin County | 37,033 | -2.1 % | 5.0 % |
| 37 | Marion County | 36,437 | -3.4 % | 4.8 % |
| 38 | Jefferson County | 36,107 | -2.7 % | 4.9 % |
| 39 | Livingston County | 35,375 | -1.3 % | 4.0 % |
| 40 | Monroe County | 34,969 | 0.0 % | 3.0 % |
| 41 | Effingham County | 34,602 | -0.2 % | 3.6 % |
| 42 | Lee County | 33,544 | -1.8 % | 4.6 % |
| 43 | Christian County | 33,247 | -2.4 % | 4.3 % |
| 44 | Morgan County | 32,618 | -2.8 % | 4.1 % |
| 45 | Fulton County | 32,510 | -3.5 % | 4.8 % |
| 46 | Bureau County | 32,486 | -2.4 % | 5.2 % |
| 47 | Randolph County | 29,903 | -0.8 % | 3.9 % |
| 48 | Montgomery County | 27,615 | -2.5 % | 4.6 % |
| 49 | Logan County | 27,518 | -1.7 % | 4.8 % |
| 50 | McDonough County | 26,662 | -2.2 % | 4.4 % |
| 51 | Iroquois County | 26,067 | -3.7 % | 4.9 % |
| 52 | Saline County | 22,826 | -4.2 % | 4.6 % |
| 53 | Jo Daviess County | 21,528 | -2.5 % | 3.8 % |
| 54 | Fayette County | 21,157 | -1.5 % | 4.9 % |
| 55 | Jersey County | 21,150 | -1.7 % | 3.8 % |
| 56 | Shelby County | 20,542 | -2.1 % | 3.9 % |
| 57 | Perry County | 20,272 | -3.2 % | 5.0 % |
| 58 | Douglas County | 19,824 | 0.4 % | 3.7 % |
| 59 | Crawford County | 18,388 | -1.5 % | 3.9 % |
| 60 | Hancock County | 17,008 | -3.5 % | 3.7 % |
| 61 | Union County | 16,886 | -2.7 % | 4.6 % |
| 62 | Piatt County | 16,628 | -0.3 % | 3.6 % |
| 63 | Bond County | 16,576 | -1.9 % | 4.2 % |
| 64 | Edgar County | 16,398 | -2.8 % | 4.1 % |
| 65 | Warren County | 16,217 | -3.7 % | 4.4 % |
| 66 | Wayne County | 15,928 | -1.7 % | 4.2 % |
| 67 | Carroll County | 15,444 | -1.7 % | 4.8 % |
| 68 | Richland County | 15,362 | -2.9 % | 3.7 % |
| 69 | De Witt County | 15,319 | -1.3 % | 3.9 % |
| 70 | Mercer County | 15,292 | -2.6 % | 5.1 % |
| 71 | Clark County | 15,076 | -2.6 % | 4.7 % |
| 72 | Lawrence County | 14,801 | -3.3 % | 4.5 % |
| 73 | Moultrie County | 14,365 | -1.2 % | 3.8 % |
| 74 | Pike County | 14,258 | -3.2 % | 4.7 % |
| 75 | Massac County | 13,627 | -3.8 % | 4.1 % |
| 76 | Washington County | 13,535 | -1.7 % | 3.4 % |
| 77 | Ford County | 13,451 | -0.5 % | 4.3 % |
| 78 | White County | 13,395 | -3.5 % | 4.6 % |
| 79 | Johnson County | 13,320 | 0.1 % | 5.0 % |
| 80 | Clay County | 12,821 | -3.5 % | 5.0 % |
| 81 | Cass County | 12,713 | -2.5 % | 4.6 % |
| 82 | Mason County | 12,543 | -4.1 % | 4.7 % |
| 83 | Menard County | 11,963 | -2.7 % | 4.1 % |
| 84 | Marshall County | 11,552 | -1.6 % | 5.1 % |
| 85 | Greene County | 11,417 | -4.7 % | 3.9 % |
| 86 | Wabash County | 10,979 | -3.3 % | 3.8 % |
| 87 | Cumberland County | 10,305 | -1.5 % | 3.5 % |
| 88 | Jasper County | 9,092 | -2.2 % | 3.6 % |
| 89 | Hamilton County | 7,818 | -2.1 % | 4.6 % |
| 90 | Schuyler County | 6,750 | -2.2 % | 5.1 % |
| 91 | Brown County | 6,307 | 0.9 % | 3.1 % |
| 92 | Henderson County | 6,048 | -5.3 % | 4.1 % |
| 93 | Edwards County | 5,984 | -4.2 % | 4.3 % |
| 94 | Putnam County | 5,633 | -0.1 % | 5.0 % |
| 95 | Stark County | 5,272 | -2.4 % | 5.2 % |
| 96 | Scott County | 4,880 | -3.9 % | 4.9 % |
| 97 | Pulaski County | 4,879 | -6.3 % | 6.0 % |
| 98 | Gallatin County | 4,690 | -5.3 % | 4.7 % |
| 99 | Alexander County | 4,594 | -12.3 % | 6.8 % |
| 100 | Calhoun County | 4,224 | -4.7 % | 4.7 % |
| 101 | Pope County | 3,703 | -1.7 % | 5.3 % |
| 102 | Hardin County | 3,550 | -2.8 % | 5.3 % |