Wasco County, Oregon was formed from Clackamas, Linn and Marion counties in 1854.
1850 Wasco County, Oregon Census
- Free 1850 Census Form for your Research
- Free 1850 Census Images (partially indexed)
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1860 Wasco County, Oregon Census
- Free 1860 Census Form for your Research
- Free 1860 Census Images and Index
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- Free 1860 Census Transcription
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1870 Wasco County, Oregon Census
- Free 1870 Census Form for your Research
- Free 1870 Census Images and Index
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1880 Wasco County, Oregon Census
- Free 1880 Census Form for your Research
- Free 1880 Census Transcription
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1890 Wasco County, Oregon Census
- Free 1890 Census Form for your Research
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1900 Wasco County, Oregon Census
- Free 1900 Census Form for your Research
- Free 1900 Census Images and Index
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- Free 1900 Census Transcription
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1910 Wasco County, Oregon Census
- Free 1910 Census Form for your Research
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1920 Wasco County, Oregon Census
- Free 1920 Census Form for your Research
- Free 1920 Census Images and Index (partial)
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1930 Wasco County, Oregon Census
- Free 1930 Census Form for your Research
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