sentences:  LaSalle County borders Woodford, Marshall, Putnam, Bureau, Livingston, Lee, DeKalb, Kendall, and Grundy counties.Though LaSalle County is in the Chicago media market, it retains a unique identity with a mix of pleasant river towns, and vast expanses of farmland.The county is at the intersection of the Chicago, Peoria, Quad Cities and Rockford television markets, with all four regions advertising (and businesses from the respective regions) and having a strong influence on the area such that despite the county's short distance from Chicago, approximately .