Oak Brook, Illinois — Nationalities & Ancestry
Nationalities & Ancestry
Breakdown of the population of Oak Brook, Illinois 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. | Italian | 1386 | 17.57% |
| 2. | German | 1198 | 15.19% |
| 3. | Asian Indian | 976 | 12.37% |
| 4. | Irish | 828 | 10.50% |
| 5. | Polish | 640 | 8.11% |
| 6. | English | 587 | 7.44% |
| 7. | Pakistani | 344 | 4.36% |
| 8. | Chinese , Except Taiwanese | 227 | 2.88% |
| 9. | Czech | 215 | 2.73% |
| 10. | Iranian | 200 | 2.54% |
| 11. | French (Except Basque) | 186 | 2.36% |
| 12. | Swedish | 182 | 2.31% |
| 13. | Dutch | 172 | 2.18% |
| 14. | Filipino | 134 | 1.70% |
| 15. | Danish | 130 | 1.65% |
| 16. | Taiwanese | 129 | 1.64% |
| 17. | Scottish | 127 | 1.61% |
| 18. | Ukrainian | 122 | 1.55% |
| 19. | Greek | 116 | 1.47% |
| 20. | Norwegian | 112 | 1.42% |
| 21. | Russian | 107 | 1.36% |
| 22. | Mexican | 96 | 1.22% |
| 23. | Chilean | 77 | 0.98% |
| 24. | Scotch-Irish | 57 | 0.72% |
| 25. | Hungarian | 52 | 0.66% |
| 26. | Croatian | 52 | 0.66% |
| 27. | Slovak | 51 | 0.65% |
| 28. | Belgian | 50 | 0.63% |
| 29. | Austrian | 48 | 0.61% |
| 30. | Welsh | 47 | 0.60% |
| 31. | Swiss | 45 | 0.57% |
| 32. | Lithuanian | 39 | 0.49% |
| 33. | Argentinean | 39 | 0.49% |
| 34. | Cuban | 39 | 0.49% |
| 35. | Spaniard | 35 | 0.44% |
| 36. | French Canadian | 34 | 0.43% |
| 37. | Lebanese | 34 | 0.43% |
| 38. | British | 30 | 0.38% |
| 39. | Yugoslavian | 28 | 0.35% |
| 40. | Czechoslovakian | 27 | 0.34% |
| 41. | Colombian | 23 | 0.29% |
| 42. | Indonesian | 22 | 0.28% |
| 43. | Puerto Rican | 21 | 0.27% |
| 44. | Thai | 20 | 0.25% |
| 45. | Slovene | 18 | 0.23% |
| 46. | Moroccan | 18 | 0.23% |
| 47. | European | 11 | 0.14% |
| 48. | Romanian | 10 | 0.13% |
| 49. | Scandinavian | 6 | 0.08% |
| 50. | Japanese | 6 | 0.08% |
| 51. | Ecuadorian | 5 | 0.06% |