LaSalle County, Illinois cities by population
Number of cities: 29
Population: 109,986
Largest city: Ottawa
| City | Type | Population |
|---|---|---|
| Ottawa | city | 18,719 |
| Streator | city | 12,135 |
| Peru | city | 9,862 |
| LaSalle | city | 9,607 |
| Mendota | city | 6,996 |
| Lake Holiday | CDP | 5,581 |
| Marseilles | city | 4,384 |
| Oglesby | city | 3,570 |
| Sheridan | village | 2,744 |
| Seneca | village | 2,648 |
| Earlville | city | 1,932 |
| Somonauk | village | 1,757 |
| North Utica | village | 1,157 |
| Wenona | city | 1,116 |
| Leland | village | 996 |
| Tonica | village | 706 |
| Millington | village | 656 |
| Grand Ridge | village | 650 |
| Dalzell | village | 647 |
| Dayton | CDP | 463 |
| Lostant | village | 450 |
| Naplate | village | 443 |
| Ransom | village | 302 |
| Cedar Point | village | 255 |
| Kangley | village | 240 |
| Rutland | village | 209 |
| Troy Grove | village | 190 |
| Dana | village | 148 |
| Leonore | village | 135 |
What is the largest city in LaSalle County, Illinois?
Ottawa is the largest city in LaSalle County, Illinois with a population of 18,719.
TOP-5 cities by population in LaSalle County, Illinois:
- Ottawa
- Streator
- Peru
- LaSalle
- Mendota