Ranking of Illinois Cities and Places By Percentage of Population with Unclassified Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 2.60M people in Illinois with Unclassified ancestry (20.25% of Illinois population). Among all Illinois cities and places with a population of at least 10K, Taylorville city had the highest percentage of its population with Unclassified ancestry (40.35%), followed by Plano city (35.57%), and Wood River city (34.71%).
The chart and table below shows the top 10 cities with high percentage of its population having Unclassified ancestry.
You can see similar information for other states and for other ancestry groups in Illinois.
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Related Topics: Illinois ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of Illinois Cities and Places By Percentage of Population with Unclassified Ancestry in 2021
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| Rank | Ciy or Place | Percentage of Pop. (%) |
|---|---|---|
| 1 | Taylorville city | 40.35 |
| 2 | Plano city | 35.57 |
| 3 | Wood River city | 34.71 |
| 4 | Charleston city | 34.66 |
| 5 | Mount Vernon city | 34.49 |
| 6 | Granite City city | 34.04 |
| 7 | Herrin city | 34.03 |
| 8 | Marion city | 33.26 |
| 9 | Pekin city | 33.14 |
| 10 | Centralia city | 32.08 |
| 11 | East Moline city | 32.01 |
| 12 | Carbondale city | 31.73 |
| 12 | Fairview Heights city | 31.73 |
| 13 | East Peoria city | 31.57 |
| 14 | Cahokia village | 31.53 |
| 15 | Moline city | 31.19 |
| 16 | Mattoon city | 31.13 |
| 17 | Chatham village | 30.75 |
| 18 | Canton city | 30.52 |
| 19 | Troy city | 30.37 |
| 20 | Galesburg city | 30.03 |
| 21 | Macomb city | 29.99 |
| 22 | Quincy city | 29.97 |
| 23 | Lincoln city | 28.83 |
| 24 | Rantoul village | 28.26 |
| 25 | Kewanee city | 27.86 |
| 26 | Beach Park village | 27.63 |
| 27 | Rock Island city | 27.59 |
| 28 | Jacksonville city | 26.85 |
| 29 | Markham city | 26.68 |
| 30 | Danville city | 26.56 |
| 31 | Bridgeview village | 26.49 |
| 32 | Belleville city | 26.34 |
| 33 | Springfield city | 25.83 |
| 34 | Edwardsville city | 25.69 |
| 35 | Champaign city | 25.67 |
| 36 | Wauconda village | 25.59 |
| 37 | Montgomery village | 25.53 |
| 38 | Machesney Park village | 25.40 |
| 39 | Decatur city | 25.18 |
| 40 | Shiloh village | 25.17 |
| 41 | Freeport city | 24.87 |
| 42 | Peoria city | 24.85 |
| 43 | Antioch village | 24.82 |
| 44 | Bellwood village | 24.53 |
| 45 | Loves Park city | 24.44 |
| 46 | Alton city | 24.38 |
| 47 | Streator city | 23.91 |
| 48 | East St. Louis city | 23.86 |
| 49 | Godfrey village | 23.84 |
| 50 | Dixon city | 23.55 |
| 51 | Collinsville city | 23.26 |
| 52 | South Elgin village | 22.89 |
| 53 | Belvidere city | 22.62 |
| 54 | Zion city | 22.60 |
| 55 | O'Fallon city | 22.40 |
| 56 | Sterling city | 22.35 |
| 57 | Ottawa city | 22.34 |
| 58 | Roscoe village | 22.31 |
| 59 | Hickory Hills city | 22.01 |
| 60 | Effingham city | 21.96 |
| 61 | Waterloo city | 21.93 |
| 62 | Normal town | 21.90 |
| 63 | Romeoville village | 21.52 |
| 64 | Highland city | 21.32 |
| 64 | Morton village | 21.32 |
| 65 | South Holland village | 21.31 |
| 66 | Swansea village | 21.15 |
| 67 | Deerfield village | 21.12 |
| 68 | Bourbonnais village | 21.08 |
| 69 | North Aurora village | 20.94 |
| 69 | Urbana city | 20.94 |
| 70 | DeKalb city | 20.81 |
| 71 | Woodstock city | 20.78 |
| 72 | Channahon village | 20.75 |
| 72 | North Chicago city | 20.75 |
| 73 | Crystal Lake city | 20.67 |
| 74 | Aurora city | 20.64 |
| 75 | Yorkville city | 20.61 |
| 76 | Pontiac city | 20.58 |
| 77 | Washington city | 20.55 |
| 78 | Matteson village | 20.46 |
| 79 | Summit village | 20.21 |
| 80 | Kankakee city | 20.16 |
| 81 | Alsip village | 20.14 |
| 82 | Lake in the Hills village | 20.13 |
| 83 | Joliet city | 19.95 |
| 84 | Lake Zurich village | 19.76 |
| 85 | Oak Forest city | 19.71 |
| 86 | Carpentersville village | 19.67 |
| 87 | Lake Forest city | 19.62 |
| 88 | Hanover Park village | 19.49 |
| 89 | Calumet City city | 19.36 |
| 90 | Riverdale village | 19.30 |
| 91 | Bradley village | 19.26 |
| 92 | Hinsdale village | 19.12 |
| 93 | Oswego village | 19.06 |
| 94 | Campton Hills village | 18.74 |
| 94 | Waukegan city | 18.74 |
| 95 | Crest Hill city | 18.68 |
| 96 | Elgin city | 18.50 |
| 97 | West Chicago city | 18.49 |
| 98 | Evergreen Park village | 18.45 |
| 99 | Country Club Hills city | 18.04 |
| 100 | Rockford city | 18.00 |
| 101 | Shorewood village | 17.69 |
| 102 | Libertyville village | 17.61 |
| 103 | Highland Park city | 17.53 |
| 103 | Mundelein village | 17.53 |
| 104 | Algonquin village | 17.51 |
| 104 | Glen Ellyn village | 17.51 |
| 105 | Crestwood village | 17.47 |
| 106 | Morris city | 17.45 |
| 107 | Chicago Ridge village | 17.43 |
| 108 | Lockport city | 17.38 |
| 109 | Glen Carbon village | 17.37 |
| 110 | Vernon Hills village | 17.33 |
| 111 | Oak Lawn village | 17.31 |
| 112 | Round Lake Beach village | 17.24 |
| 113 | Round Lake village | 17.21 |
| 114 | Winnetka village | 17.06 |
| 115 | Schaumburg village | 17.03 |
| 116 | Lansing village | 17.02 |
| 117 | Hazel Crest village | 17.00 |
| 118 | McHenry city | 16.92 |
| 118 | Warrenville city | 16.92 |
| 119 | New Lenox village | 16.90 |
| 120 | Bloomington city | 16.88 |
| 121 | Brookfield village | 16.84 |
| 122 | Naperville city | 16.77 |
| 123 | Sycamore city | 16.71 |
| 124 | Glendale Heights village | 16.70 |
| 125 | Addison village | 16.66 |
| 125 | Homewood village | 16.66 |
| 126 | Woodridge village | 16.53 |
| 127 | Cary village | 16.50 |
| 128 | Bolingbrook village | 16.47 |
| 129 | Frankfort village | 16.46 |
| 130 | River Grove village | 16.40 |
| 131 | Park Forest village | 16.37 |
| 132 | Batavia city | 16.33 |
| 133 | Chicago city | 16.23 |
| 134 | River Forest village | 16.22 |
| 135 | Fox Lake village | 16.20 |
| 136 | Skokie village | 16.18 |
| 137 | Harvey city | 16.11 |
| 137 | Midlothian village | 16.11 |
| 137 | Minooka village | 16.11 |
| 138 | Northbrook village | 15.92 |
| 139 | Richton Park village | 15.86 |
| 140 | Dolton village | 15.83 |
| 141 | Lindenhurst village | 15.82 |
| 141 | Wood Dale city | 15.82 |
| 142 | Columbia city | 15.78 |
| 143 | Glenview village | 15.64 |
| 144 | Lombard village | 15.60 |
| 145 | Tinley Park village | 15.59 |
| 146 | Gurnee village | 15.56 |
| 146 | Plainfield village | 15.56 |
| 147 | Lincolnwood village | 15.51 |
| 148 | St. Charles city | 15.48 |
| 149 | Geneva city | 15.45 |
| 150 | Gages Lake CDP | 15.27 |
| 151 | Westmont village | 15.26 |
| 152 | Wheeling village | 15.24 |
| 153 | Wheaton city | 15.23 |
| 154 | Downers Grove village | 15.20 |
| 154 | Elmhurst city | 15.20 |
| 155 | Carol Stream village | 15.18 |
| 156 | Blue Island city | 15.17 |
| 157 | Homer Glen village | 15.13 |
| 158 | Bloomingdale village | 15.10 |
| 159 | Franklin Park village | 15.03 |
| 160 | Mokena village | 15.02 |
| 161 | Maywood village | 15.01 |
| 162 | Wilmette village | 14.96 |
| 163 | Bartlett village | 14.92 |
| 164 | Palatine village | 14.86 |
| 164 | Palos Heights city | 14.86 |
| 165 | Lyons village | 14.85 |
| 166 | Des Plaines city | 14.83 |
| 167 | Lisle village | 14.81 |
| 168 | Streamwood village | 14.68 |
| 169 | Niles village | 14.67 |
| 170 | Norridge village | 14.65 |
| 171 | Oak Park village | 14.52 |
| 172 | Prospect Heights city | 14.49 |
| 173 | Justice village | 14.45 |
| 174 | Park Ridge city | 14.37 |
| 175 | Darien city | 14.32 |
| 176 | Villa Park village | 14.27 |
| 177 | Buffalo Grove village | 14.14 |
| 177 | Burbank city | 14.14 |
| 178 | Rolling Meadows city | 14.13 |
| 179 | Roselle village | 14.12 |
| 180 | Grayslake village | 14.11 |
| 181 | Berwyn city | 14.02 |
| 182 | La Grange village | 13.98 |
| 183 | Western Springs village | 13.87 |
| 184 | Elk Grove Village village | 13.83 |
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