| Rank | Portuguese as First Ancestry Population Percentage ▼ | School District / Population |
| 1. | 2.2% | Fredericksburg Community School District / 1,624 |
| 2. | 1.6% | Fremont Community School District / 1,237 |
| 3. | 1.3% | Iowa Falls Community School District / 6,603 |
| 4. | 1.1% | Saydel Community School District / 7,682 |
| 5. | 0.9% | Sheffield Chapin Meservey Thornton Community School District / 3,037 |
| 6. | 0.9% | Colo-Nesco Community School District / 3,301 |
| 7. | 0.9% | Tipton Community School District / 4,792 |
| 8. | 0.9% | East Greene Community School District / 1,916 |
| 9. | 0.8% | Baxter Community School District / 1,783 |
| 9. | 0.8% | Knoxville Community School District / 10,886 |
| 11. | 0.8% | Lu Verne Community School District / 587 |
| 12. | 0.8% | Nishna Valley Community School District / 1,263 |
| 13. | 0.7% | Centerville Community School District / 8,933 |
| 14. | 0.7% | Cal Community School District / 1,803 |
| 15. | 0.6% | Tripoli Community School District / 2,583 |
| 15. | 0.6% | West Bend-Mallard Community School District / 1,871 |
| 17. | 0.6% | Monticello Community School District / 6,409 |
| 18. | 0.6% | Spirit Lake Community School District / 8,264 |
| 19. | 0.5% | Fairfield Community School District / 14,061 |
| 20. | 0.5% | Laurens-Marathon Community School District / 2,220 |
| 21. | 0.5% | Boyden-Hull Community School District / 4,032 |
| 22. | 0.4% | South Page Community School District / 1,616 |
| 23. | 0.4% | Tri-Center Community School District / 3,386 |
| 24. | 0.4% | Eagle Grove Community School District / 4,497 |
| 24. | 0.4% | Perry Community School District / 10,784 |
| 26. | 0.4% | Marcus-Meriden-Cleghorn Community School District / 2,912 |
| 27. | 0.3% | North Cedar Community School District / 5,421 |
| 27. | 0.3% | Armstrong-Ringsted Community School District / 2,493 |
| 29. | 0.3% | Aplington-Parkersburg Community School District / 4,150 |
| 30. | 0.3% | PCM Community School District / 5,095 |
| 30. | 0.3% | Edgewood-Colesburg Community School District / 2,990 |
| 30. | 0.3% | Galva-Holstein Community School District / 2,813 |
| 33. | 0.3% | Danville Community School District / 2,985 |
| 33. | 0.3% | Ar-We-Va Community School District / 2,043 |
| 35. | 0.3% | Ottumwa Community School District / 28,330 |
| 35. | 0.3% | Council Bluffs Community School District / 58,251 |
| 37. | 0.3% | West Marshall Community School District / 4,267 |
| 38. | 0.2% | Gilbert Community School District / 5,698 |
| 38. | 0.2% | Malvern Community School District / 1,989 |
| 38. | 0.2% | Aurelia Community School District / 1,998 |
| 41. | 0.2% | Newell-Fonda Community School District / 2,434 |
| 42. | 0.2% | Ames Community School District / 53,049 |
| 42. | 0.2% | IKM Community School District / 2,562 |
| 42. | 0.2% | Panorama Community School District / 4,900 |
| 45. | 0.2% | Eldora-New Providence Community School District / 3,900 |
| 45. | 0.2% | West Sioux Community School District / 4,074 |
| 45. | 0.2% | Rockwell City-Lytton Community School District / 3,351 |
| 48. | 0.2% | Coon Rapids-Bayard Community School District / 2,464 |
| 49. | 0.2% | Charles City Community School District / 11,090 |
| 49. | 0.2% | Urbandale Community School District / 22,991 |
| 49. | 0.2% | Oelwein Community School District / 9,040 |
| 52. | 0.2% | Ankeny Community School District / 43,435 |
| 52. | 0.2% | Mount Vernon Community School District / 5,740 |
| 54. | 0.2% | Allamakee Community School District / 8,966 |
| 55. | 0.1% | Storm Lake Community School District / 11,200 |
| 55. | 0.1% | Mason City Community School District / 28,767 |
| 55. | 0.1% | Anamosa Community School District / 9,203 |
| 55. | 0.1% | River Valley Community School District / 2,629 |
| 59. | 0.1% | Vinton-Shellsburg Community School District / 10,430 |
| 60. | 0.1% | Muscatine Community School District / 28,688 |
| 60. | 0.1% | Iowa City Community School District / 102,262 |
| 60. | 0.1% | Glenwood Community School District / 11,205 |
| 60. | 0.1% | Lone Tree Community School District / 2,744 |
| 64. | 0.1% | Sioux Central Community School District / 2,962 |
| 64. | 0.1% | North Fayette Community School District / 6,172 |
| 64. | 0.1% | New Hampton Community School District / 7,204 |
| 67. | 0.1% | Waterloo Community School District / 76,129 |
| 67. | 0.1% | Des Moines Independent Community School District / 197,619 |
| 67. | 0.1% | Clear Creek-Amana Community School District / 10,235 |
| 70. | 0.1% | Johnston Community School District / 28,305 |
| 70. | 0.1% | Maquoketa Valley Community School District / 4,718 |
| 70. | 0.1% | Central Community School District / 3,470 |
| 70. | 0.1% | A-H-S-T Community School District / 3,501 |
| 74. | 0.1% | Sioux City Community School District / 82,070 |
| 74. | 0.1% | Alta Community School District / 3,032 |
| 74. | 0.1% | Durant Community School District / 3,357 |
| 77. | 0.1% | Waukee Community School District / 25,308 |
| 77. | 0.1% | Cedar Rapids Community School District / 120,689 |
| 77. | 0.1% | East Marshall Community School District / 3,755 |
| 77. | 0.1% | North Scott Community School District / 14,502 |
| 81. | 0.1% | Boone Community School District / 14,151 |
| 81. | 0.1% | Clinton Community School District / 26,148 |
| 83. | 0.0% | Davenport Community School District / 106,281 |
| 83. | 0.0% | Southern Cal Community School District / 3,204 |
| 85. | 0.0% | Indianola Community School District / 18,698 |
| 86. | 0.0% | Marshalltown Community School District / 29,263 |
| 86. | 0.0% | MFL MarMac Community School District / 5,597 |
| 86. | 0.0% | West Des Moines Community School District / 67,878 |
| 86. | 0.0% | Le Mars Community School District / 12,579 |
| 86. | 0.0% | Dubuque Community School District / 73,917 |
| 86. | 0.0% | Oskaloosa Community School District / 15,548 |
Please note that we only rank locations with 'Portuguese as First Ancestry Population Percentage' data. The rank above might not be a complete list. Locations without 'Portuguese 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.
