Warren County, county in Illinois, United States. As of 2020 county had an estimated population of 16,696 inhabitants. The county was created 199 years ago in 1825. Its county seat is Monmouth.
There are 8 city/town in Warren County, IL. The largest city of Warren County is Monmouth with a population of 8,801. Other cities include, Roseville population 885, Alexis population 778, Kirkwood population 670, Greenbush population 508
Roseville, Village in Illinois
Alexis, Village in Mercer and Warran counties in Illinois, United States
List of cities, towns, neighborhoods & other populated places in Warren County.
City Name | Title | Population |
---|---|---|
Alexis | Village in Mercer and Warran counties in Illinois, United States | 778 |
Berwick | Unincorporated community in Illinois | 300 |
Coldbrook | Township in Warren County, Illinois, United States | 452 |
Greenbush | Township in Warren County, Illinois | 508 |
Kirkwood | Village in Warren County, Illinois, United States | 670 |
Little York | Village in Warren County, Illinois, United States | 304 |
Monmouth | City in Warren County, Illinois, United States | 8,801 |
Roseville | Village in Illinois | 885 |