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"Population of Civil Divisions Less than Counties"(PDF). Statistics of the Population of the United States at the Tenth Census. U.S. Census Bureau. 1880. Archived(PDF) from the original on June 29, 2014. Retrieved November 28, 2013.
"Population: Ohio"(PDF). 1910 U.S. Census. U.S. Census Bureau. Archived(PDF) from the original on November 10, 2013. Retrieved November 28, 2013.
"Population: Ohio"(PDF). 1930 US Census. U.S. Census Bureau. Archived(PDF) from the original on June 9, 2011. Retrieved November 28, 2013.