Wallowa County, Oregon was formed from Union County in 1887.
1890 Wallowa County, Oregon Census
- Free 1890 Census Form for your Research
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- Hosted at Census Guide
1900 Wallowa County, Oregon Census
- Free 1900 Census Form for your Research
- Combined 1900-1910 Census for Flora, Oregon
- Free 1900 Census Images and Index
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- Free 1900 Census Transcription
- Divide Precinct
- Enterprise Town
- Enterprise Precinct, 1 of 2
- Enterprise Precinct, 2 of 2
- Grouse Precinct
- Imnaha Precinct
- Joseph Precinct
- Joseph Town
- Lost Prairie Precinct
- Lostine Precinct
- Lostine Precinct Cont.
- Paradise Precinct
- Paradise Precinct Con.
- Park Precinct
- Pine Creek Precinct
- Prairie Creek Precinct
- Promise Precinct
- Trout Creek Precinct
- Wallowa Town
- Wallowa Precinct, 1 of 2
- Hosted at Census Guide
1910 Wallowa County, Oregon Census
- Free 1910 Census Form for your Research
- Combined 1900-1910 Census for Flora, Oregon
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- Hosted at Census Guide
1920 Wallowa County, Oregon Census
- Free 1920 Census Form for your Research
- Free 1920 Census Images and Index (partial)
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- Hosted at Census Guide
1930 Wallowa County, Oregon Census
- Free 1930 Census Form for your Research
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- Hosted at Census Guide