Champaign County Founded in 1805
The following maps are available for previewing. The evolution of the area today known as Champaign County is reproduced from Randolph Downes, "Evolution of Ohio County Boundaries in Ohio Archaeological and Historical Quarterly XXXVI". 340-477. *Courtesy of the Champaign County Engineer's Office.
Ohio 1790	Ohio 1806
Ohio 1792	Ohio 1808
Ohio 1797	Ohio 1810
Ohio 1799	Ohio 1812
Ohio 1801	Ohio 1818
Ohio 1803
Champaign County as a part of the 1784 Virginia Military Survey and the Ordinance of 1787
*Champaign County's State Highways through villages and cities
*City maps within Champaign County  MechanicsburgSaint ParisUrbana
The Simon Kenton Memorial State Highway
Urbana Historical Districts  DowntownScioto Street
Courtesy of the City of Urbana