Washington County OH Census Records

1800 Federal U.S. Census MyHeritage

1800 U.S. Federal Census Ancestry

1803 Washington County, Ohio, US Territorial Census Population Schedules Ancestry

1810 Federal U.S. Census MyHeritage

1810 U.S. Federal Census Ancestry

1820 Federal U.S. Census MyHeritage

1820 U.S. Federal Census Ancestry

1830 Federal U.S. Census MyHeritage

1830 U.S. Federal Census Ancestry

1840 Federal U.S. Census MyHeritage

1840 U.S. Federal Census Ancestry

1850 Federal U.S. Census MyHeritage

1850 U.S. Federal Census Ancestry

1860 Federal U.S. Census MyHeritage

1860 U.S. Federal Census Ancestry

1870 Federal U.S. Census MyHeritage

1870 U.S. Federal Census Ancestry

1880 Federal U.S. Census MyHeritage

1880 U.S. Federal Census Ancestry

1890 census, veterans & widows of the Civil War, Washington County, Ohio FamilySearch Library

1900 Federal U.S. Census MyHeritage

1900 U.S. Federal Census Ancestry

1910 Federal U.S. Census MyHeritage

1910 U.S. Federal Census Ancestry

1920 Federal U.S. Census MyHeritage

1920 U.S. Federal Census Ancestry

1930 Federal U.S. Census MyHeritage

1930 U.S. Federal Census Ancestry

1940 Federal U.S. Census MyHeritage

1940 U.S. Federal Census Ancestry

1950 United States Federal Census MyHeritage

1950 United States Federal Census Ancestry

Federal Census 1810, 1850 US Gen Web Archives

Federal Census of 1940, Palmer Township in Washington County, Ohio LDS Genealogy

Federal Census of 1940, Washington Township in Washington County, Ohio LDS Genealogy

Federal Population Census of the U.S. 1790-1940 Archives.com

Index for Washington County, Northwest Territory, Ohio, 1800 census and index for Washington County marriages, 1791-1803 : also revolutionary soldiers buried in Washington County, birth and death data on many early settlers FamilySearch Library

Indexes : census 1800, 1803, 1810; death notices, 1811-1830; lives of early settlers - Hildreth; account book, 1818-1819; Supreme Court, Washington Cy., 1810; Henderson-Tomlinson journal and papers; Nahum Ward letters FamilySearch Library

Indexes, Washington County, Northwest Territory, Ohio, 1800 census before Ohio's statehood; Washington County marriages, 1791-1803 FamilySearch Library

Manuscript census of Washington County Ohio, 1830 : may be found at Campus Martius Museum, numbers of members of family and ages are indicated on original manuscript FamilySearch Library

Northwest Territory, Washington County, Ohio 1800 census index : taken before Ohio's statehood FamilySearch Library

Second census of the United States, 1800, population schedules, Washington County. Territory Northwest of the River Ohio; and population census, 1803, Washington County, Ohio (M1804) FamilySearch Library

Southeastern Ohio mortality schedules : including the counties of Belmont, Guernsey, Harrison, Jefferson, Monroe, Morgan, Noble and Washington WorldCat

Third census of the United States, 1810, population schedules, Washington County, Ohio (M1803) FamilySearch Library

U.S. Federal Census 1790-1950 Ancestry

U.S. Federal Census 1790-1950 MyHeritage

United States Federal Census, 1790-1950 Family Search

Washington County, Ohio 1860 census FamilySearch Library

Washington County, Ohio 1870 census FamilySearch Library

Washington County, Ohio 1880 census FamilySearch Library

Washington County, Ohio 1900 census FamilySearch Library