| 1 | South Elgin village (southwest) | 9,341 |
| 2 | Hampshire village (south-southwest) | 9,303 |
| 3 | Gilberts village (north-northwest) | 8,629 |
| 4 | Aurora city (east-southeast 2) | 8,552 |
| 5 | Prestbury CDP (west-northwest) | 8,481 |
| 6 | South Elgin village (south-southeast) | 8,282 |
| 7 | East Dundee village (north-northwest) | 8,047 |
| 8 | Carpentersville village (west) | 7,595 |
| 9 | Elburn village (southeast) | 7,552 |
| 10 | Campton Hills village (east-northeast) | 7,510 |
| 11 | Elburn village (south) | 7,480 |
| 12 | St. Charles city (east-southeast) | 7,437 |
| 13 | Batavia city (north-northeast) | 7,276 |
| 14 | Carpentersville village (south-southwest) | 7,270 |
| 15 | Sleepy Hollow village (north 2) | 7,241 |
| 16 | Pingree Grove village (northwest) | 7,199 |
| 17 | Elgin city (north-northeast) | 6,875 |
| 18 | Batavia city (north-northwest) | 6,861 |
| 19 | Sleepy Hollow village (southwest) | 6,827 |
| 20 | East Dundee village (east-southeast) | 6,802 |
| 21 | South Elgin village (northeast) | 6,737 |
| 22 | Batavia city (northwest 2) | 6,695 |
| 23 | Prestbury CDP (southwest) | 6,560 |
| 24 | South Elgin village (north-northeast) | 6,469 |
| 25 | Carpentersville village (east) | 6,432 |
| 26 | Wayne village (west) | 6,410 |
| 27 | Geneva city (east) | 6,318 |
| 28 | Sleepy Hollow village (north 1) | 6,303 |
| 29 | Elburn village (west-southwest) | 6,295 |
| 30 | Aurora city (north 2) | 6,262 |
| 31 | Batavia city (north) | 6,192 |
| 32 | Sleepy Hollow village (east-southeast) | 6,001 |
| 33 | South Elgin village (west-northwest) | 5,984 |
| 34 | Prestbury CDP (south-southeast) | 5,745 |
| 35 | South Elgin village (west-southwest) | 5,669 |
| 36 | Aurora city (west 1) | 5,615 |
| 37 | Aurora city (southeast 1) | 5,545 |
| 38 | Batavia city (east-southeast) | 5,451 |
| 39 | Aurora city (southwest) | 5,397 |
| 40 | Batavia city (south-southeast 2) | 5,368 |
| 41 | Lily Lake village (northeast) | 5,248 |
| 42 | Pingree Grove village (east-southeast) | 5,177 |
| 43 | Aurora city (northwest 1) | 5,157 |
| 44 | Prestbury CDP (east-southeast) | 5,110 |
| 45 | Geneva city (north-northwest 1) | 5,092 |
| 46 | Elburn village (east-northeast) | 5,039 |
| 47 | Kaneville village | 5,039 |
| 48 | Geneva city (southwest) | 4,954 |
| 49 | Hampshire village (east-northeast) | 4,875 |
| 50 | Gilberts village (south-southeast) | 4,817 |
| 51 | Batavia city (south-southeast 3) | 4,795 |
| 52 | Aurora city (southeast 2) | 4,732 |
| 53 | Aurora city (south-southeast 1) | 4,638 |
| 54 | Batavia city (south-southeast 4) | 4,638 |
| 55 | Pingree Grove village (west-southwest) | 4,606 |
| 56 | Aurora city (north 1) | 4,474 |
| 57 | Elburn village (northwest) | 4,438 |
| 58 | Aurora city (east-northeast 2) | 4,371 |
| 59 | Sleepy Hollow village (southeast) | 4,351 |
| 60 | Wayne village (north-northeast) | 4,326 |
| 61 | East Dundee village (west-southwest) | 4,318 |
| 62 | Aurora city (south) | 4,316 |
| 63 | Geneva city (southeast) | 4,315 |
| 64 | St. Charles city (north) | 4,297 |
| 65 | Sleepy Hollow village (south) | 4,205 |
| 66 | Elgin city (west-southwest) | 4,163 |
| 67 | Geneva city (north-northwest 2) | 4,131 |
| 68 | Batavia city (northwest 1) | 4,091 |
| 69 | Elburn village (northeast) | 4,086 |
| 70 | East Dundee village (northeast) | 4,075 |
| 71 | Sleepy Hollow village (west-southwest) | 4,045 |
| 72 | West Dundee village | 3,984 |
| 73 | Aurora city (northeast) | 3,867 |
| 74 | Prestbury CDP (east-northeast) | 3,836 |
| 75 | Aurora city (north-northwest) | 3,815 |
| 76 | Aurora city (west 2) | 3,812 |
| 77 | Lily Lake village (northwest) | 3,715 |
| 78 | Prestbury CDP (north-northwest) | 3,630 |
| 79 | Elgin city (south-southeast) | 3,627 |
| 80 | Campton Hills village (south-southwest) | 3,512 |
| 81 | Lily Lake village (south-southwest) | 3,511 |
| 82 | South Elgin village (north) | 3,431 |
| 83 | Lily Lake village (east-northeast) | 3,402 |
| 84 | Geneva city (west-northwest) | 3,335 |
| 85 | Elgin city (northeast) | 3,271 |
| 86 | Batavia city (west) | 3,217 |
| 87 | Aurora city (west-northwest) | 3,191 |
| 88 | Aurora city (east) | 3,161 |
| 89 | Aurora city (northwest 2) | 2,981 |
| 90 | South Elgin village (south-southwest) | 2,927 |
| 91 | Aurora city (east-northeast 1) | 2,863 |
| 92 | Batavia city (south-southeast 5) | 2,761 |
| 93 | Wayne village (southeast) | 2,749 |
| 94 | Lily Lake village (southwest) | 2,690 |
| 95 | Campton Hills village (northwest) | 2,684 |
| 96 | Aurora city (east-southeast 1) | 2,683 |
| 97 | East Dundee village (south) | 2,420 |
| 98 | Burlington village | 2,263 |
| 99 | Aurora city (west-southwest) | 2,123 |
| 100 | Aurora city (south-southeast 2) | 2,083 |
| 101 | Batavia city (south-southeast 1) | 2,063 |
| 102 | St. Charles city (west-southwest) | 1,853 |
| 103 | Hampshire village (west-northwest) | 1,665 |
| 104 | South Elgin village (east-northeast) | 1,045 |