| Capital: | Ottawa |
|---|---|
| Origen y Formación del condado: | Putnam and Tazewell County |
| Población: | 113,924 habitantes |
| Área: | 1,135 sq mi |
| Localización del condado dentro de Illinois: |
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Localidades en LaSalle, Illinois
- Adams Township Lasalle County
- Allen Township Lasalle County
- Brookfield Township Lasalle County
- Bruce Township Lasalle County
- Cedar Point
- Dalzell
- Dana
- Dayton Township Lasalle County
- Deer Park Township Lasalle County
- Dimmick Township Lasalle County
- Eagle Township Lasalle County
- Earlville
- Earl Township Lasalle County
- Eden Township Lasalle County
- Fall River Township Lasalle County
- Farm Ridge Township Lasalle County
- Freedom Township Lasalle County
- Grand Rapids Township Lasalle County
- Grand Ridge
- Groveland Township Lasalle County
- Hope Township Lasalle County
- Kangley
- Lasalle Township Lasalle County
- La Salle
- Leland
- Leonore
- Lostant
- Manlius Township Lasalle County
- Marseilles
- Mendota
- Mendota Township Lasalle County
- Meriden Township Lasalle County
- Miller Township Lasalle County
- Millington
- Mission Township Lasalle County
- Naplate
- Northville Township Lasalle County
- North Utica
- Oglesby
- Ophir Township Lasalle County
- Osage Township Lasalle County
- Ottawa
- Ottawa Township Lasalle County
- Otter Creek Township Lasalle County
- Peru
- Peru Township Lasalle County
- Ransom
- Richland Township La Salle County
- Rutland
- Rutland Township Lasalle County
- Sandwich
- Seneca
- Serena Township Lasalle County
- Sheridan
- Somonauk
- South Ottawa Township Lasalle County
- Streator
- Tonica
- Triumph
- Troy Grove
- Troy Grove Township Lasalle County
- Utica Township Lasalle County
- Vermilion Township Lasalle County
- Wallace Township Lasalle County
- Waltham Township Lasalle County
- Wedron
- Wenona