LaSalle County, Illinois

LaSalle County is a county located within the Fox Valley and Illinois River Valley regions of the U.S. state of Illinois. As of the 2020 census, it had a... Wikipedia

• Founded:  January 15, 1831
• Named for:  René-Robert Cavelier, Sieur de La Salle
• Seat:  Ottawa
• Largest city:  Ottawa
• Total:  1,148 sq mi (2,973.31 km²)
• Land:  1,135 sq mi (2,939.64 km²)
• Water:  13 sq mi (33.67 km²), 1.1
• Time zone:  Central: UTC-6-5
• Data source:  DuckDuckGo