Brown County, Illinois

Brown County is a county located in the U.S. state of Illinois. As of the 2010 census, the population was 6,937. Its county seat is Mount Sterling.Siloam Springs State Park is located partly in this county.HistoryBrown County was formed out of Schuyler County in 1839. It is named in honor of U.S. General Jacob Brown, who defeated the British at the Battle of Sackett's Harbor in 1813. GeographyAccording to the U.S. Census Bureau, the county has a total area of, of which is land and (0.5%) is water. The Illinois River flows along part of the county's eastern border.Adjacent countiesSchuyler County - northCass County - eastMorgan County - southeastPike County - southAdams County - westMajor highways 25px US Route 24 25px Illinois Route 99 25px Illinois Route 107