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Oregon Historical County Records Guide

Washington County Records Inventory

Census Records

1845-1930

Series documents the population, property, and agricultural production of the county. Records may include census rolls and abstracts, farm schedules, abstract of assessment and census, enumeration of inhabitants and industrial products, and enumeration of inhabitants and military enrollment. Information includes number of males and females per age category; head of household; name, age, and gender of household members; occupation and relationship of household members to head of household; and description and value of real and personal property. Information may also include nationality, physical description, birthplace, health, and religion of household members and agricultural production statistics.

Records at the Oregon State Archives:
Census Roll [Tuality-Washington County-container 22], 1845-1846 (.10 cu.ft.);
Census [Tuality-Washington County], 1846-1848 (1 reel of microfilm).

Records at the Washington County Museum, Research Library and Archives:
1880 U.S. Census Washington County Oregon [Abstract-Genealogical Forum of Portland], 1880 (1 volume);
[Census Washington County-title varies], 1845-1846 (1 reel of microfilm); 1850 (1 reel of microfilm); 1900 (1 reel of microfilm); 1910 (1 reel of microfilm); 1920 (1 reel of microfilm); 1930 (1 reel of microfilm);
United States Census of Northwest Oregon [Abstract-includes Washington County], 1870 (1 volume);
Washington County 1857 Census [Abstract], 1857 (1 volume);
Washington County Oregon U.S. Census [Transcription-Washington County Family History Society], 1900 (2 volumes).

Records at the Oregon Historical Society:
Mss. 1 [Enumeration Roll], 1856 (.05 cu.ft.);
Mss. 1283 Census for Twality County [typescript], 1845-1846 (.05 cu.ft.).

Records at a Related Web Site:
Clatsop County Census [Abstract-included Washington County area], 1850 (US GenWeb Project);
Tuality County Census [Abstract], 1845 (rootsweb.ancestry.com);
Washington County Federal Census
[Abstract], 1860 (US GenWeb Project).

Oregon Secretary of State • 136 State Capitol • Salem, OR 97310-0722
Phone: (503) 986-1523 • Fax: (503) 986-1616 • oregon.sos@state.or.us

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