Columbia County, Oregon Census

Last Updated on April 20, 2023 by Dennis

Columbia County, Oregon was formed from Washington County in 1854.

1860 Columbia County, Oregon Census

• Free 1860 Census Form for your Research
• Free 1860 Census Images and Index
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• Free 1860 Census Index
  • Surnames A-Z
• Free 1860 Census Transcription
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• Hosted at Census Guide
  • 1860 U.S. Census Guide

1870 Columbia County, Oregon Census

• Free 1870 Census Form for your Research
• Free 1870 Census Images and Index
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  • 1870 Columbia County, Census (images and index) $
  • 1810-1890 Accelerated Indexing Systems $
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  • 1870 U.S. Census Guide

1880 Columbia County, Oregon Census

• Free 1880 Census Form for your Research
• Free 1880 Census Transcription
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  • 1880 Columbia County, Census (images and index) $
  • 1810-1890 Accelerated Indexing Systems $
• Free 1880 Census Index
  • Surnames A-Z
• Hosted at Census Guide
  • 1880 U.S. Census Guide

1890 Columbia County, Oregon Census

• Free 1890 Census Form for your Research
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  • 1890 Veterans Schedule $
  • 1810-1890 Accelerated Indexing Systems $
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  • 1890 U.S. Census Guide

1900 Columbia County, Oregon Census

• Free 1900 Census Form for your Research
• Free 1900 Census Images and Index
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  • 1900 Columbia County, Census (images and index) $
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  • 1900 U.S. Census Guide

1910 Columbia County, Oregon Census

• Free 1910 Census Form for your Research
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  • 1910 Columbia County, Census (images and index) $
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  • 1910 U.S. Census Guide

1920 Columbia County, Oregon Census

• Free 1920 Census Form for your Research
• Free 1920 Census Images and Index (partial)
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  • 1920 Columbia County, Census (images and index) $
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  • 1920 U.S. Census Guide

1930 Columbia County, Oregon Census

• Free 1930 Census Form for your Research
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  • 1930 Columbia County, Census (images and index) $
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  • 1930 U.S. Census Guide