Coconino County was formed in 1891 from Yavapai County.
1900 Coconino County, Arizona Census
- Free 1900 Census Form for your Research
- Hosted at Ancestry.com – 14 Days Free
- Hosted at Census Guide
1910 Coconino County, Arizona Census
- Free 1910 Census Form for your Research
- Hosted at the USGenWeb Census Project – Arizona
- Coconino County 1910 Census
- ED 21
- 1910 Federal Census Coconino County, Arizona Territory (ED 21: Page 1 of 1)
- ED 22
- 1910 Federal Census Coconino County, Arizona Territory (ED 22: Page 1 of 6)
- 1910 Federal Census Coconino County, Arizona Territory (ED 22: Page 2 of 6)
- 1910 Federal Census Coconino County, Arizona Territory (ED 22: Page 3 of 6)
- 1910 Federal Census Coconino County, Arizona Territory (ED 22: Page 4 of 6)
- 1910 Federal Census Coconino County, Arizona Territory (ED 22: Page 5 of 6)
- 1910 Federal Census Coconino County, Arizona Territory (ED 22: Page 6 of 6)
- ED 23
- 1910 Federal Census Coconino County, Arizona Territory (ED 23: Page 1 of 3)
- 1910 Federal Census Coconino County, Arizona Territory (ED 23: Page 2 of 3)
- 1910 Federal Census Coconino County, Arizona Territory (ED 23: Page 3 of 3)
- ED 21
- Coconino County 1910 Census
- Hosted at Ancestry.com – 14 Days Free
- Hosted at Census Guide
1920 Coconino County, Arizona Census
- Free 1920 Census Form for your Research
- Hosted at Ancestry.com – 14 Days Free
- Hosted at Census Guide
1930 Coconino County, Arizona Census
- Free 1930 Census Form for your Research
- Hosted at Ancestry.com – 14 Days Free
- Hosted at Census Guide