| Rank | Welsh as First Ancestry Population Percentage ▼ | School District / Population |
| 1. | 3.7% | Sitka Borough School District / 8,909 |
| 2. | 3.0% | Dillingham City School District / 2,161 |
| 3. | 2.8% | Hoonah City School District / 694 |
| 4. | 2.5% | Chatham School District / 1,368 |
| 5. | 2.3% | Denali Borough School District / 1,917 |
| 6. | 2.3% | Petersburg City School District / 3,163 |
| 7. | 2.0% | Wrangell City School District / 2,368 |
| 8. | 1.9% | Craig City School District / 1,268 |
| 9. | 1.7% | Kodiak Island Borough School District / 13,710 |
| 10. | 1.5% | Juneau Borough School District / 31,636 |
| 11. | 1.5% | Aleutian Region School District / 514 |
| 12. | 1.3% | Kenai Peninsula Borough School District / 55,474 |
| 13. | 1.3% | Yukon Flats School District / 1,263 |
| 14. | 1.2% | Ketchikan Gateway Borough School District / 13,525 |
| 15. | 1.2% | Fairbanks North Star Borough School District / 97,523 |
| 16. | 1.1% | Matanuska-Susitna Borough School District / 89,319 |
| 16. | 1.1% | Nenana City School District / 472 |
| 18. | 1.1% | Southeast Island School District / 1,913 |
| 18. | 1.1% | Chugach School District / 390 |
| 20. | 1.0% | Skagway School District / 1,050 |
| 21. | 1.0% | Anchorage School District / 291,470 |
| 22. | 0.9% | Valdez City School District / 3,962 |
| 23. | 0.7% | Cordova City School District / 2,441 |
| 24. | 0.7% | Haines Borough School District / 2,500 |
| 25. | 0.6% | Alaska Gateway School District / 2,327 |
| 26. | 0.5% | Bristol Bay Borough School District / 929 |
| 27. | 0.5% | Unalaska City School District / 4,262 |
| 28. | 0.4% | Delta/Greely School District / 4,870 |
| 29. | 0.4% | Yukon-Koyukuk School District / 2,085 |
| 30. | 0.3% | North Slope Borough School District / 9,317 |
| 31. | 0.3% | Copper River School District / 2,663 |
| 31. | 0.3% | Yupiit School District / 1,435 |
| 33. | 0.2% | Northwest Arctic Borough School District / 7,601 |
| 34. | 0.1% | Kuspuk School District / 1,456 |
| 35. | 0.1% | Aleutians East Borough School District / 3,114 |
| 36. | 0.1% | Bering Strait School District / 5,942 |
| 37. | 0.1% | Lake And Peninsula School District / 1,551 |
| 38. | 0.0% | Lower Kuskokwim School District / 14,274 |
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.
*ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.
