Bureau County, Illinois in the Civil War - Bureau County Regiments - about 3,600 men. The Political Graveyard - U.S. political history and cemeteries in Bureau County. 93rd Illinois Infantry - History of the Ninety - Third Regiment Illinois Volunteer Infantry: From organization to muster out statistics. ILGenWeb Project: Bureau County - Local genealogy and history information. Bureau County Democrats - News and information about Democratic candidates, elected officials and events for the county, its townships and Illinois. Bureau County - Lists county board members and committees. Bureau County - Maps, history, and county information. US Census Bureau: Bureau County, Illinois - Population, demographic, and housing information from the latest census.