Identifiers: village · city
| Rank | Community | Population |
|---|---|---|
| 1 | Schaumburg (village), IL | 78,723 |
| 2 | Evanston (city), IL | 78,110 |
| 3 | Arlington Heights (village), IL | 77,676 |
| 4 | Palatine (village), IL | 67,908 |
| 5 | Skokie (village), IL | 67,824 |
| 6 | Des Plaines (city), IL | 60,675 |
| 7 | Mount Prospect (village), IL | 56,852 |
| 8 | Hoffman Estates (village), IL | 52,530 |
| 9 | Glenview (village), IL | 48,705 |
| 10 | Elmhurst (city), IL | 45,786 |
| 11 | Buffalo Grove (village), IL | 43,212 |
| 12 | Park Ridge (city), IL | 39,656 |
| 13 | Wheeling (village), IL | 39,137 |
| 14 | Northbrook (village), IL | 35,222 |
| 15 | Elk Grove Village (village), IL | 32,812 |
| 16 | Mundelein (village), IL | 31,560 |
| 17 | Niles (village), IL | 30,912 |
| 18 | North Chicago (city), IL | 30,759 |
| 19 | Gurnee (village), IL | 30,706 |
| 20 | Highland Park (city), IL | 30,176 |