| 1 | Franklinville CDP (west) | 8,799 |
| 2 | Prairie Grove village (east-northeast) | 7,686 |
| 3 | Lakemoor village | 7,516 |
| 4 | Algonquin village (south) | 7,191 |
| 5 | Lake in the Hills village (north-northwest) | 6,977 |
| 6 | Harmony CDP | 6,718 |
| 7 | McHenry city (west) | 6,573 |
| 8 | Riley CDP (south) | 6,447 |
| 9 | Bull Valley village (west-northwest 1) | 6,123 |
| 10 | Johnsburg village (north) | 5,860 |
| 11 | Cary village (east-northeast) | 5,849 |
| 12 | Hartland CDP (south-southeast) | 5,733 |
| 13 | Fox River Grove village | 5,710 |
| 14 | Johnsburg village (south) | 5,678 |
| 15 | Trout Valley village (north) | 5,650 |
| 16 | Ridgefield CDP (east-northeast) | 5,549 |
| 17 | Lake in the Hills village (north) | 5,512 |
| 18 | Ridgefield CDP (south-southeast) | 5,455 |
| 19 | Lakewood village (southeast) | 5,411 |
| 20 | Lakewood village (north-northeast) | 5,405 |
| 21 | Franklinville CDP (north) | 5,304 |
| 22 | Lakewood village (south-southwest) | 5,303 |
| 23 | Algonquin village (west) | 5,220 |
| 24 | Cary village (southeast) | 5,164 |
| 25 | Trout Valley village (west) | 5,092 |
| 26 | Trout Valley village (east-northeast) | 5,061 |
| 27 | Crystal Lake city (north-northwest) | 4,944 |
| 28 | McCullom Lake village (east) | 4,889 |
| 29 | Richmond village (west) | 4,878 |
| 30 | Huntley village (east-northeast) | 4,832 |
| 31 | Ridgefield CDP (west-northwest) | 4,769 |
| 32 | Woodstock city | 4,765 |
| 33 | Lawrence CDP | 4,740 |
| 34 | Prairie Grove village (north-northwest) | 4,607 |
| 35 | McCullom Lake village (west) | 4,508 |
| 36 | Algonquin village (east-southeast) | 4,458 |
| 37 | Greenwood village (east-northeast) | 4,447 |
| 38 | Holiday Hills village | 4,439 |
| 39 | Lake in the Hills village (south-southeast) | 4,325 |
| 40 | Hartland CDP (north-northwest) | 4,305 |
| 41 | Burtons Bridge CDP (east-southeast) | 4,300 |
| 42 | Greenwood village (northwest) | 4,299 |
| 43 | Trout Valley village (south) | 4,266 |
| 44 | Franklinville CDP (south-southeast) | 4,254 |
| 45 | Algonquin village (north-northwest) | 4,213 |
| 46 | Burtons Bridge CDP (west-northwest) | 4,105 |
| 47 | Cary village (west-northwest) | 4,067 |
| 48 | Lakewood village (northwest) | 3,986 |
| 49 | Riley CDP (north) | 3,965 |
| 50 | Greenwood village (south-southwest) | 3,955 |
| 51 | Richmond village (southeast) | 3,939 |
| 52 | Prairie Grove village (south-southwest) | 3,901 |
| 53 | Bull Valley village (east-southeast) | 3,876 |
| 54 | Huntley village (northwest) | 3,834 |
| 55 | Huntley village (west-southwest) | 3,834 |
| 56 | McHenry city (east) | 3,749 |
| 57 | Lake in the Hills village (southwest) | 3,733 |
| 58 | Lake in the Hills village (southeast) | 3,601 |
| 59 | Pistakee Highlands CDP | 3,452 |
| 60 | Bull Valley village (south-southeast) | 3,384 |
| 61 | Bull Valley village (west-northwest 2) | 3,359 |
| 62 | Richmond village (northeast) | 2,735 |
| 63 | Hebron village | 2,633 |
| 64 | Crystal Lake city (south-southeast) | 2,034 |