Place:Columbia, Oregon, United States

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source: Family History Library Catalog


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Columbia County is a county located in the U.S. state of Oregon. As of the 2010 census, the population was 49,351. The county seat is St. Helens. It was named for the Columbia River, which forms its eastern and northern borders.

Columbia County is included in the Portland metropolitan area.

Contents

History

the text in this section is copied from an article in Wikipedia

The Chinook and Clatskanie Native Americans inhabited this region for centuries prior to the arrival of Robert Gray, captain of the ship Columbia Rediviva, in 1792. The Lewis and Clark Expedition traveled and camped along the Columbia River shore in the area later known as Columbia County in late 1805 and on their return journey in early 1806.

Columbia County was created in 1854 from the northern half of Washington County. Milton served as the county seat until 1857 when it was moved to St. Helens.

Columbia County has been afflicted by numerous flooding disasters, the most recent in December 2007. Heavy rains caused the Nehalem River to escape its banks and flood the city of Vernonia and rural areas nearby. Columbia County received a presidential disaster declaration for this event.

Timeline

Date Event Source
1850 Land records recorded Source:Red Book: American State, County, and Town Sources
1850 Probate records recorded Source:Red Book: American State, County, and Town Sources
1854 County formed Source:Red Book: American State, County, and Town Sources
1854 Court records recorded Source:Red Book: American State, County, and Town Sources
1854 Marriage records recorded Source:Red Book: American State, County, and Town Sources
1860 First census Source:Population of States and Counties of the United States: 1790-1990
1890 No significant boundary changes after this year Source:Population of States and Counties of the United States: 1790-1990
1907 Birth records recorded Source:Red Book: American State, County, and Town Sources

Population History

source: Source:Population of States and Counties of the United States: 1790-1990
Census Year Population
1860 532
1870 863
1880 2,042
1890 5,191
1900 6,237
1910 10,580
1920 13,960
1930 20,047
1940 20,971
1950 22,967
1960 22,379
1970 28,790
1980 35,646
1990 37,557

Research Tips

External links

www.co.columbia.or.us/


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