| Rank | Welsh as First Ancestry Population Percentage ▼ | School District / Population |
| 1. | 2.6% | Sitka Borough School District / 8,957 |
| 2. | 2.4% | Petersburg City School District / 3,212 |
| 3. | 2.3% | Wrangell City School District / 2,383 |
| 4. | 1.9% | Denali Borough School District / 2,048 |
| 5. | 1.8% | Skagway School District / 996 |
| 6. | 1.7% | Kodiak Island Borough School District / 13,924 |
| 7. | 1.7% | Dillingham City School District / 2,255 |
| 8. | 1.6% | Chatham School District / 1,297 |
| 9. | 1.6% | Haines Borough School District / 2,557 |
| 10. | 1.3% | Yukon Flats School District / 1,299 |
| 11. | 1.3% | Fairbanks North Star Borough School District / 99,319 |
| 12. | 1.2% | Kenai Peninsula Borough School District / 56,687 |
| 13. | 1.1% | Matanuska-Susitna Borough School District / 93,843 |
| 14. | 1.0% | Juneau Borough School District / 32,200 |
| 15. | 0.9% | Anchorage School District / 298,178 |
| 16. | 0.8% | Southeast Island School District / 1,794 |
| 17. | 0.8% | Ketchikan Gateway Borough School District / 13,676 |
| 18. | 0.7% | Nenana City School District / 438 |
| 19. | 0.7% | Craig City School District / 1,295 |
| 20. | 0.7% | Yukon-Koyukuk School District / 2,124 |
| 21. | 0.6% | Valdez City School District / 4,002 |
| 22. | 0.5% | Copper River School District / 2,405 |
| 23. | 0.5% | Alaska Gateway School District / 2,414 |
| 24. | 0.3% | Kuspuk School District / 1,543 |
| 25. | 0.3% | Delta/Greely School District / 4,861 |
| 26. | 0.2% | Unalaska City School District / 4,536 |
| 27. | 0.2% | Northwest Arctic Borough School District / 7,672 |
| 28. | 0.2% | Nome School District / 3,745 |
| 29. | 0.2% | North Slope Borough School District / 9,618 |
| 30. | 0.1% | Lake And Peninsula School District / 1,490 |
| 31. | 0.1% | Bering Strait School District / 6,047 |
| 32. | 0.1% | Bristol Bay Borough School District / 995 |
| 33. | 0.1% | Aleutians East Borough School District / 3,296 |
| 34. | 0.1% | Lower Kuskokwim School District / 14,593 |
Please note that we only rank locations with 'Welsh as First Ancestry Population Percentage' data. The rank above might not be a complete list. Locations without 'Welsh as First Ancestry Population Percentage' data are not listed.
