Most Common Ancestries in Montana (2019)

According to the U.S. Census Bureau's 2019 American Community Survey, the largest self-reported ancestry groups in Montana are:

1. German – 28.4%
2. Norwegian – 15.2%
3. Irish – 12.0%
4. English – 10.5%
5. Native American – 6.5%
6. French – 3.9%
7. Swedish – 3.7%
8. Scottish – 3.4%
9. Danish – 3.3%
10. Italian – 3.2%

These figures reflect Montana's strong Northern European heritage, alongside a significant Indigenous population.