Ranking of Illinois Counties By Natural Population Increase in 2015
Updated on January 26, 2024.
Based on the US Census Vintage data estimates, in 2015, the Natural Population Increase for Illinois was 51.69K. Among all Illinois counties, Cook County had the highest natural population increase (28.75K), followed by DuPage County (4.76K), and Kane County (3.60K).
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), 2015 Census.
See this for other years:
Ranking of Illinois Counties By Natural Population Increase in 2015
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| Rank | County | Natural Pop. Increase |
|---|---|---|
| 1 | Cook County | 28754 |
| 2 | DuPage County | 4764 |
| 3 | Kane County | 3602 |
| 4 | Will County | 3600 |
| 5 | Lake County | 3418 |
| 6 | McHenry County | 1258 |
| 7 | Champaign County | 1151 |
| 8 | Kendall County | 1052 |
| 9 | St. Clair County | 960 |
| 10 | McLean County | 913 |
| 11 | Peoria County | 833 |
| 12 | Winnebago County | 593 |
| 13 | DeKalb County | 501 |
| 14 | Sangamon County | 358 |
| 15 | Rock Island County | 283 |
| 16 | Jackson County | 265 |
| 17 | Madison County | 236 |
| 18 | Kankakee County | 228 |
| 19 | Grundy County | 210 |
| 20 | Boone County | 208 |
| 21 | Tazewell County | 95 |
| 22 | Williamson County | 90 |
| 23 | Jefferson County | 87 |
| 24 | Effingham County | 67 |
| 25 | Clinton County | 64 |
| 26 | Douglas County | 56 |
| 27 | Whiteside County | 55 |
| 28 | Macon County | 45 |
| 29 | Monroe County | 38 |
| 30 | Jasper County | 30 |
| 31 | Cass County | 25 |
| 32 | Warren County | 24 |
| 33 | Fayette County | 20 |
| 33 | Henry County | 20 |
| 34 | Hancock County | 19 |
| 35 | Washington County | 15 |
| 36 | Woodford County | 13 |
| 37 | Saline County | 10 |
| 38 | Piatt County | 9 |
| 39 | Brown County | 6 |
| 40 | Wabash County | 4 |
| 41 | Putnam County | 3 |
| 42 | Adams County | 2 |
| 43 | Ogle County | 0 |
| 44 | Clay County | -1 |
| 45 | Morgan County | -3 |
| 46 | Alexander County | -4 |
| 46 | Calhoun County | -4 |
| 46 | Marion County | -4 |
| 47 | Edwards County | -6 |
| 48 | Cumberland County | -8 |
| 49 | Coles County | -9 |
| 49 | Hamilton County | -9 |
| 50 | Pope County | -12 |
| 50 | Scott County | -12 |
| 51 | Richland County | -15 |
| 51 | Stephenson County | -15 |
| 52 | Moultrie County | -16 |
| 53 | Marshall County | -17 |
| 53 | Schuyler County | -17 |
| 53 | Shelby County | -17 |
| 53 | Vermilion County | -17 |
| 54 | Gallatin County | -18 |
| 55 | Bureau County | -20 |
| 55 | De Witt County | -20 |
| 55 | Henderson County | -20 |
| 56 | Livingston County | -21 |
| 57 | Clark County | -22 |
| 57 | Pike County | -22 |
| 58 | Bond County | -24 |
| 59 | Johnson County | -25 |
| 59 | Lawrence County | -25 |
| 60 | Wayne County | -27 |
| 61 | Menard County | -28 |
| 62 | Carroll County | -29 |
| 63 | Stark County | -30 |
| 64 | Pulaski County | -33 |
| 65 | Mercer County | -37 |
| 66 | Crawford County | -38 |
| 66 | Logan County | -38 |
| 67 | Union County | -39 |
| 68 | Greene County | -41 |
| 69 | Hardin County | -42 |
| 70 | Lee County | -45 |
| 71 | Franklin County | -56 |
| 72 | Mason County | -60 |
| 73 | Ford County | -63 |
| 74 | Jo Daviess County | -64 |
| 75 | McDonough County | -65 |
| 76 | Perry County | -66 |
| 77 | Edgar County | -69 |
| 77 | Jersey County | -69 |
| 78 | White County | -70 |
| 79 | Massac County | -73 |
| 80 | Montgomery County | -75 |
| 81 | Christian County | -80 |
| 82 | Randolph County | -91 |
| 83 | Macoupin County | -97 |
| 84 | Iroquois County | -101 |
| 85 | Fulton County | -112 |
| 86 | LaSalle County | -122 |
| 87 | Knox County | -128 |