Janesville, Iowa — Nationalities & Ancestry
Nationalities & Ancestry
Breakdown of the population of Janesville, Iowa by nationality. Data represents only those respondents who voluntarily listed an ancestry on their response form. Sourced from the U.S. Census Bureau's American Community Survey.
Nationalities & Ancestry
| # | Ancestry | Population | Percentage |
|---|---|---|---|
| 1. | German | 511 | 50.54% |
| 2. | Irish | 104 | 10.29% |
| 3. | English | 74 | 7.32% |
| 4. | Norwegian | 61 | 6.03% |
| 5. | French Canadian | 46 | 4.55% |
| 6. | Danish | 44 | 4.35% |
| 7. | Polish | 30 | 2.97% |
| 8. | Swedish | 25 | 2.47% |
| 9. | French (Except Basque) | 25 | 2.47% |
| 10. | Dutch | 24 | 2.37% |
| 11. | Scottish | 21 | 2.08% |
| 12. | Czech | 19 | 1.88% |
| 13. | Greek | 11 | 1.09% |
| 14. | Scotch-Irish | 5 | 0.49% |
| 15. | European | 5 | 0.49% |
| 16. | Mexican | 4 | 0.40% |
| 17. | Lithuanian | 2 | 0.20% |
| 18. | Czechoslovakian | 2 | 0.20% |