1870 Custer County, Montana Census
- Free 1870 Census Form for your Research
- Hosted at Ancestry.com – 14 Days Free
- Hosted at Census Guide
1880 Custer County, Montana Census
- Free 1880 Census Form for your Research
- Hosted at Ancestry.com – 14 Days Free
- Hosted at Census Guide
- Hosted at USGenWeb Archives
1890 Custer County, Montana Census
- Free 1890 Census Form for your Research
- Hosted at Ancestry.com – 14 Days Free
- Hosted at Census Guide
1900 Custer County, Montana Census
- Free 1900 Census Form for your Research
- Hosted at Ancestry.com – 14 Days Free
- Hosted at Census Guide
1910 Custer County, Montana Census
- Free 1910 Census Form for your Research
- Hosted at Ancestry.com – 14 Days Free
- Hosted at Census Guide
1920 Custer County, Montana Census
- Free 1920 Census Form for your Research
- Hosted at Ancestry.com – 14 Days Free
- Hosted at Census Guide
1930 Custer County, Montana Census
- Free 1930 Census Form for your Research
- Hosted at Ancestry.com – 14 Days Free
- Hosted at Census GuideHosted at USGenWeb Census Project
School District #24 Tee Dee - Whitney Township
- Willison Township
- Coalwood Township
- Bobcat Township
- 1930 Federal Census Index
- 1930 Federal Census, partial