Santa Cruz County was formed in 1899 from Pima County.
1900 Santa Cruz County, Arizona Census
- Free 1900 Census Form for your Research
- Hosted at Ancestry.com – 14 Days Free
- Hosted at Census Guide
1910 Santa Cruz County, Arizona Census
- Free 1910 Census Form for your Research
- Hosted at Ancestry.com – 14 Days Free
- Hosted at Census Guide
1920 Santa Cruz County, Arizona Census
- Free 1920 Census Form for your Research
- Hosted at Ancestry.com – 14 Days Free
- Hosted at Census Guide
1930 Santa Cruz County, Arizona Census
- Free 1930 Census Form for your Research
- Hosted at Ancestry.com – 14 Days Free
- Hosted at Census Guide