Sherman County, Oregon was formed from Wasco County in 1889.
1890 Sherman County, Oregon Census
- Free 1890 Census Form for your Research
- Hosted at Ancestry.com – Ancestry Free Trial
- Hosted at Census Guide
1900 Sherman County, Oregon Census
- Free 1900 Census Form for your Research
- Free 1900 Census Images and Index
- Hosted at Ancestry.com – Ancestry Free Trial
- Hosted at Census Guide
1910 Sherman County, Oregon Census
- Free 1910 Census Form for your Research
- Hosted at Ancestry.com – Ancestry Free Trial
- Hosted at Census Guide
1920 Sherman County, Oregon Census
- Free 1920 Census Form for your Research
- Free 1920 Census Images and Index (partial)
- Hosted at Ancestry.com – Ancestry Free Trial
- Hosted at Census Guide
1930 Sherman County, Oregon Census
- Free 1930 Census Form for your Research
- Hosted at Ancestry.com – Ancestry Free Trial
- Hosted at Census Guide