Lacon
Lacon is a city in, and the county seat of, Marshall County, Illinois, United States. It is part of the Peoria, Illinois Metropolitan Statistical Area. The population was 1,937 at the 2010 census, down from 1,979 in 2000.
Lacon is a city in, and the county seat of, Marshall County, Illinois, United States. It is part of the Peoria, Illinois Metropolitan Statistical Area. The population was 1,937 at the 2010 census, down from 1,979 in 2000.