Coos County, Oregon was formed from Jackson and Umpqua counties in 1853.
1860 Coos County, Oregon Census
- Free 1860 Census Form for your Research
- Free 1860 Census Images and Index
- Hosted at Ancestry.com – Ancestry Free Trial
- Hosted at Census Guide
1870 Coos County, Oregon Census
- Free 1870 Census Form for your Research
- Free 1870 Census Images and Index
- Hosted at Ancestry.com – Ancestry Free Trial
- Hosted at Census Guide
1880 Coos County, Oregon Census
- Free 1880 Census Form for your Research
- Free 1880 Census Transcription
- Hosted at Ancestry.com – Ancestry Free Trial
- Hosted at Census Guide
1890 Coos County, Oregon Census
- Free 1890 Census Form for your Research
- Hosted at Ancestry.com – Ancestry Free Trial
- Hosted at Census Guide
1900 Coos 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 Coos County, Oregon Census
- Free 1910 Census Form for your Research
- Hosted at Ancestry.com – Ancestry Free Trial
- Hosted at Census Guide
1920 Coos 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 Coos County, Oregon Census
- Free 1930 Census Form for your Research
- Hosted at Ancestry.com – Ancestry Free Trial
- Hosted at Census Guide