Ranking of Illinois Counties By Natural Population Increase in 2020
Updated on January 26, 2024.
Based on the US Census Vintage data estimates, in 2020, the Natural Population Increase for Illinois was 22.60K. Among all Illinois counties, Cook County had the highest natural population increase (13.84K), followed by DuPage County (2.76K), and Kane County (2.40K).
The chart below shows the top 10 counties, and the table below shows the ranking of all Illinois counties.
You can see similar ranking information for related topics, and for other states. You can also see the ranking of all counties in the United States.
Related Topics: Illinois Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage), 2020 Census.
See this for other years:
Ranking of Illinois Counties By Natural Population Increase in 2020
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| Rank | County | Natural Pop. Increase |
|---|---|---|
| 1 | Cook County | 13837 |
| 2 | DuPage County | 2764 |
| 3 | Kane County | 2396 |
| 4 | Will County | 1984 |
| 5 | Lake County | 1759 |
| 6 | Kendall County | 822 |
| 7 | Champaign County | 672 |
| 8 | McHenry County | 568 |
| 9 | Peoria County | 491 |
| 10 | Winnebago County | 468 |
| 11 | McLean County | 434 |
| 12 | DeKalb County | 308 |
| 13 | Rock Island County | 150 |
| 14 | Grundy County | 109 |
| 15 | Jackson County | 96 |
| 16 | Boone County | 87 |
| 17 | Effingham County | 80 |
| 18 | St. Clair County | 59 |
| 19 | Douglas County | 44 |
| 20 | Livingston County | 38 |
| 21 | Marion County | 37 |
| 22 | Monroe County | 35 |
| 23 | Edwards County | 22 |
| 24 | Jasper County | 19 |
| 25 | Pike County | 16 |
| 26 | Cass County | 14 |
| 27 | Moultrie County | 8 |
| 28 | Warren County | 7 |
| 29 | Ogle County | 6 |
| 30 | Brown County | 3 |
| 31 | Wabash County | 1 |
| 32 | Washington County | -1 |
| 33 | Fayette County | -3 |
| 34 | Pope County | -8 |
| 35 | Jersey County | -9 |
| 35 | Piatt County | -9 |
| 36 | Macon County | -11 |
| 37 | Scott County | -12 |
| 38 | Cumberland County | -16 |
| 38 | Schuyler County | -16 |
| 39 | Marshall County | -17 |
| 39 | Stark County | -17 |
| 40 | Wayne County | -24 |
| 41 | Pulaski County | -25 |
| 41 | Woodford County | -25 |
| 42 | Putnam County | -28 |
| 43 | Clark County | -29 |
| 44 | Bond County | -30 |
| 44 | Henderson County | -30 |
| 44 | Logan County | -30 |
| 45 | Richland County | -31 |
| 46 | Calhoun County | -32 |
| 47 | Clinton County | -34 |
| 48 | Hardin County | -35 |
| 49 | Hamilton County | -36 |
| 50 | Clay County | -39 |
| 50 | Ford County | -39 |
| 50 | Hancock County | -39 |
| 51 | Mercer County | -40 |
| 52 | Alexander County | -41 |
| 52 | Shelby County | -41 |
| 53 | Greene County | -44 |
| 53 | Jefferson County | -44 |
| 53 | Menard County | -44 |
| 54 | Gallatin County | -45 |
| 55 | Massac County | -46 |
| 56 | Iroquois County | -49 |
| 57 | Mason County | -51 |
| 58 | Johnson County | -54 |
| 59 | Christian County | -55 |
| 60 | Coles County | -57 |
| 60 | Crawford County | -57 |
| 61 | De Witt County | -59 |
| 62 | Union County | -61 |
| 63 | McDonough County | -62 |
| 64 | Whiteside County | -67 |
| 65 | Morgan County | -68 |
| 66 | Perry County | -71 |
| 67 | Carroll County | -72 |
| 68 | Saline County | -73 |
| 69 | Kankakee County | -75 |
| 70 | Edgar County | -77 |
| 70 | Lawrence County | -77 |
| 71 | White County | -78 |
| 72 | Knox County | -87 |
| 73 | Vermilion County | -101 |
| 74 | Franklin County | -102 |
| 74 | Lee County | -102 |
| 75 | Montgomery County | -104 |
| 76 | Bureau County | -108 |
| 77 | Jo Daviess County | -111 |
| 78 | Stephenson County | -126 |
| 79 | Randolph County | -130 |
| 80 | Henry County | -135 |
| 81 | Williamson County | -147 |
| 82 | Sangamon County | -149 |
| 83 | Macoupin County | -152 |
| 84 | Adams County | -163 |
| 85 | Fulton County | -182 |
| 86 | LaSalle County | -211 |
| 87 | Tazewell County | -217 |
| 88 | Madison County | -273 |