Ranking of Illinois Cities and Places By Population with Irish Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 1.40M people in Illinois with Irish ancestry. Among all Illinois cities and places, Chicago city had the highest population with Irish ancestry (199.47K), followed by Naperville city (22.55K), and Joliet city (15.48K).
The chart and table below shows the top 10 cities and places with high number of people with Irish ancestry.
You can see similar information for other states and for other ancestry groups in Illinois.
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Related Topics: US Census 2021 Topic List.
Data Source: US Census Bureau.
Ranking of Illinois Cities and Places By Population with Irish Ancestry in 2021
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| Rank | City or Place | Population |
|---|---|---|
| 1 | Chicago city | 199466 |
| 2 | Naperville city | 22552 |
| 3 | Joliet city | 15483 |
| 4 | Rockford city | 13612 |
| 5 | Springfield city | 13046 |
| 6 | Aurora city | 13030 |
| 7 | Peoria city | 12439 |
| 8 | Bloomington city | 12258 |
| 9 | Tinley Park village | 11860 |
| 10 | Oak Lawn village | 11243 |
| 11 | Arlington Heights village | 10747 |
| 12 | Downers Grove village | 10330 |
| 13 | Orland Park village | 9776 |
| 14 | Elmhurst city | 9659 |
| 15 | Wheaton city | 9462 |
| 16 | Elgin city | 9403 |
| 17 | Oak Park village | 9020 |
| 18 | Decatur city | 8429 |
| 19 | Evanston city | 8347 |
| 20 | Champaign city | 8059 |
| 21 | Palatine village | 7945 |
| 22 | Park Ridge city | 7308 |
| 23 | Lombard village | 7149 |
| 24 | Normal town | 7018 |
| 25 | Glenview village | 6989 |
| 26 | DeKalb city | 6957 |
| 27 | Plainfield village | 6842 |
| 28 | New Lenox village | 6801 |
| 29 | Schaumburg village | 6688 |
| 30 | Oak Forest city | 6098 |
| 31 | Crystal Lake city | 6073 |
| 32 | Bolingbrook village | 6048 |
| 33 | Mount Prospect village | 5935 |
| 34 | Glen Ellyn village | 5656 |
| 35 | Oswego village | 5475 |
| 36 | Lockport city | 5225 |
| 37 | St. Charles city | 5197 |
| 38 | Hoffman Estates village | 5173 |
| 39 | Wilmette village | 5013 |
| 40 | Des Plaines city | 5002 |
| 41 | Mokena village | 4908 |
| 42 | McHenry city | 4822 |
| 43 | Moline city | 4808 |
| 44 | Evergreen Park village | 4781 |
| 45 | Belleville city | 4728 |
| 46 | Huntley village | 4714 |
| 47 | Bartlett village | 4501 |
| 48 | Quincy city | 4486 |
| 49 | Galesburg city | 4417 |
| 50 | Homer Glen village | 4416 |
| 51 | Rock Island city | 4349 |
| 52 | Geneva city | 4313 |
| 53 | Ottawa city | 4272 |
| 54 | Batavia city | 4263 |
| 55 | Algonquin village | 4198 |
| 56 | Carol Stream village | 4125 |
| 57 | Frankfort village | 4104 |
| 58 | Cary village | 4091 |
| 59 | Woodridge village | 4086 |
| 60 | Elk Grove Village village | 4073 |
| 61 | Lake in the Hills village | 4013 |
| 62 | Western Springs village | 3957 |
| 63 | Libertyville village | 3859 |
| 64 | La Grange village | 3854 |
| 65 | Granite City city | 3845 |
| 66 | Woodstock city | 3833 |
| 67 | Lisle village | 3810 |
| 68 | Machesney Park village | 3613 |
| 69 | Gurnee village | 3612 |
| 70 | Romeoville village | 3592 |
| 71 | Villa Park village | 3584 |
| 72 | Grayslake village | 3581 |
| 73 | Westmont village | 3560 |
| 74 | Skokie village | 3546 |
| 75 | Collinsville city | 3521 |
| 76 | Pekin city | 3516 |
| 77 | Northbrook village | 3442 |
| 78 | Lake Forest city | 3349 |
| 79 | O'Fallon city | 3346 |
| 80 | Alton city | 3293 |
| 81 | Berwyn city | 3266 |
| 82 | Bloomingdale village | 3246 |
| 83 | Channahon village | 3236 |
| 84 | Brookfield village | 3212 |
| 85 | Urbana city | 3175 |
| 86 | Edwardsville city | 3172 |
| 87 | Lake Zurich village | 3140 |
| 88 | Waukegan city | 3086 |
| 89 | Hinsdale village | 3023 |
| 90 | Lemont village | 3003 |
| 91 | Darien city | 2996 |
| 92 | Mundelein village | 2993 |
| 93 | East Peoria city | 2975 |
| 94 | Loves Park city | 2973 |
| 95 | Wauconda village | 2937 |
| 96 | Mattoon city | 2932 |
| 97 | Alsip village | 2899 |
| 98 | Roselle village | 2893 |
| 99 | Shorewood village | 2886 |
| 100 | Winnetka village | 2883 |
| 101 | Antioch village | 2856 |
| 102 | Godfrey village | 2836 |
| 103 | Palos Heights city | 2760 |
| 104 | Highland Park city | 2749 |
| 105 | Buffalo Grove village | 2748 |
| 106 | Morris city | 2743 |
| 107 | Frankfort Square CDP | 2704 |
| 108 | Round Lake Beach village | 2641 |
| 109 | North Aurora village | 2628 |
| 110 | Danville city | 2626 |
| 111 | River Forest village | 2579 |
| 112 | Hanover Park village | 2578 |
| 113 | Yorkville city | 2571 |
| 114 | Manhattan village | 2569 |
| 115 | La Grange Park village | 2564 |
| 116 | Streamwood village | 2527 |
| 117 | Freeport city | 2499 |
| 118 | Montgomery village | 2497 |
| 119 | Minooka village | 2496 |
| 120 | Belvidere city | 2480 |
| 121 | Glendale Heights village | 2452 |
| 122 | Elmwood Park village | 2419 |
| 123 | Carpentersville village | 2410 |
| 124 | Addison village | 2398 |
| 125 | Homewood village | 2389 |
| 126 | Bourbonnais village | 2338 |
| 127 | Washington city | 2329 |
| 128 | Clarendon Hills village | 2313 |
| 129 | Sycamore city | 2288 |
| 130 | Burbank city | 2281 |
| 131 | Midlothian village | 2275 |
| 132 | Fox Lake village | 2260 |
| 133 | Cicero town | 2247 |
| 134 | Macomb city | 2245 |
| 135 | Carbondale city | 2230 |
| 136 | South Elgin village | 2223 |
| 137 | Chatham village | 2221 |
| 137 | Niles village | 2221 |
| 138 | Dixon city | 2210 |
| 139 | Crestwood village | 2140 |
| 140 | Bradley village | 2129 |
| 141 | Forest Park village | 2098 |
| 142 | Palos Hills city | 2074 |
| 143 | Morton village | 2063 |
| 144 | Riverside village | 2050 |
| 145 | Burr Ridge village | 1961 |
| 146 | Chicago Ridge village | 1956 |
| 147 | Marion city | 1943 |
| 148 | Swansea village | 1934 |
| 149 | Morton Grove village | 1933 |
| 150 | Charleston city | 1924 |
| 151 | Glen Carbon village | 1919 |
| 151 | Sterling city | 1919 |
| 152 | Streator city | 1870 |
| 153 | Westchester village | 1852 |
| 154 | Jacksonville city | 1849 |
| 155 | Lincoln city | 1848 |
| 156 | Crest Hill city | 1845 |
| 157 | Kankakee city | 1831 |
| 158 | West Chicago city | 1778 |
| 159 | Vernon Hills village | 1774 |
| 160 | Pontiac city | 1747 |
| 161 | Deerfield village | 1721 |
| 162 | Barrington village | 1714 |
| 163 | Campton Hills village | 1700 |
| 164 | Mahomet village | 1695 |
| 165 | Highland city | 1688 |
| 166 | Rolling Meadows city | 1679 |
| 167 | Plano city | 1669 |
| 168 | North Chicago city | 1654 |
| 168 | West Dundee village | 1654 |
| 169 | Mount Vernon city | 1647 |
| 170 | Lindenhurst village | 1639 |
| 171 | Peru city | 1630 |
| 172 | Johnsburg village | 1614 |
| 173 | Rantoul village | 1589 |
| 174 | Warrenville city | 1579 |
| 175 | Lansing village | 1570 |
| 176 | Manteno village | 1560 |
| 177 | Centralia city | 1555 |
| 178 | Bensenville village | 1538 |
| 179 | Steger village | 1525 |
| 180 | Fairview Heights city | 1484 |
| 181 | Kewanee city | 1482 |
| 182 | Columbia city | 1461 |
| 183 | Canton city | 1456 |
| 184 | Worth village | 1451 |
| 185 | Herrin city | 1443 |
| 186 | Wheeling village | 1432 |
| 187 | Winfield village | 1394 |
| 188 | Bridgeview village | 1390 |
| 189 | Blue Island city | 1381 |
| 190 | Island Lake village | 1375 |
| 191 | Hawthorn Woods village | 1367 |
| 192 | Bethalto village | 1343 |
| 193 | Marengo city | 1337 |
| 194 | Rochelle city | 1327 |
| 195 | Orland Hills village | 1319 |
| 196 | Gages Lake CDP | 1307 |
| 197 | Braidwood city | 1306 |
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