| Rank | Portuguese as First Ancestry Population Percentage ▼ | School District / Population |
| 1. | 1.9% | Fredericksburg Community School District / 1,624 |
| 2. | 1.7% | Fremont Community School District / 1,129 |
| 3. | 1.1% | Lu Verne Community School District / 514 |
| 4. | 1.0% | Walnut Community School District / 1,288 |
| 5. | 1.0% | Saydel Community School District / 8,356 |
| 6. | 1.0% | Colo-Nesco Community School District / 3,209 |
| 6. | 1.0% | Sheffield Chapin Meservey Thornton Community School District / 3,025 |
| 8. | 0.9% | Tipton Community School District / 5,302 |
| 9. | 0.9% | Nishna Valley Community School District / 1,463 |
| 10. | 0.9% | East Greene Community School District / 1,765 |
| 11. | 0.8% | Knoxville Community School District / 11,532 |
| 12. | 0.6% | Forest City Community School District / 6,622 |
| 13. | 0.6% | Woodbine Community School District / 2,528 |
| 14. | 0.5% | South Page Community School District / 1,572 |
| 14. | 0.5% | Eagle Grove Community School District / 4,782 |
| 14. | 0.5% | Urbandale Community School District / 20,814 |
| 17. | 0.5% | West Bend-Mallard Community School District / 1,958 |
| 18. | 0.5% | North Cedar Community School District / 5,206 |
| 19. | 0.5% | East Buchanan Community School District / 2,950 |
| 20. | 0.5% | Centerville Community School District / 9,042 |
| 20. | 0.5% | Spirit Lake Community School District / 8,148 |
| 22. | 0.4% | Monticello Community School District / 6,594 |
| 23. | 0.4% | Laurens-Marathon Community School District / 2,295 |
| 23. | 0.4% | Boyden-Hull Community School District / 4,106 |
| 25. | 0.4% | Armstrong-Ringsted Community School District / 2,375 |
| 26. | 0.4% | Boone Community School District / 14,492 |
| 26. | 0.4% | Edgewood-Colesburg Community School District / 2,945 |
| 28. | 0.4% | Whiting Community School District / 1,028 |
| 28. | 0.4% | Eddyville-Blakesburg Community School District / 3,922 |
| 30. | 0.3% | Danville Community School District / 2,591 |
| 30. | 0.3% | Baxter Community School District / 1,929 |
| 30. | 0.3% | Glenwood Community School District / 11,095 |
| 33. | 0.3% | Aplington-Parkersburg Community School District / 4,162 |
| 34. | 0.3% | Fairfield Community School District / 15,124 |
| 35. | 0.3% | Tri-Center Community School District / 3,569 |
| 36. | 0.3% | North Fayette Community School District / 6,143 |
| 37. | 0.3% | Gilbert Community School District / 6,065 |
| 38. | 0.3% | Mason City Community School District / 29,225 |
| 38. | 0.3% | Ames Community School District / 55,030 |
| 38. | 0.3% | PCM Community School District / 4,875 |
| 38. | 0.3% | Marcus-Meriden-Cleghorn Community School District / 2,798 |
| 42. | 0.2% | Galva-Holstein Community School District / 2,733 |
| 42. | 0.2% | Aurelia Community School District / 1,907 |
| 42. | 0.2% | Ottumwa Community School District / 28,801 |
| 45. | 0.2% | IKM Community School District / 2,495 |
| 46. | 0.2% | West Sioux Community School District / 4,455 |
| 47. | 0.2% | Eldora-New Providence Community School District / 3,929 |
| 47. | 0.2% | Madrid Community School District / 3,416 |
| 49. | 0.2% | Panorama Community School District / 4,858 |
| 49. | 0.2% | Charles City Community School District / 11,277 |
| 49. | 0.2% | Mount Vernon Community School District / 5,905 |
| 49. | 0.2% | Newell-Fonda Community School District / 2,341 |
| 53. | 0.2% | West Marshall Community School District / 4,347 |
| 53. | 0.2% | Coon Rapids-Bayard Community School District / 2,508 |
| 55. | 0.2% | Twin Rivers Community School District / 1,264 |
| 55. | 0.2% | Council Bluffs Community School District / 59,123 |
| 57. | 0.2% | Malvern Community School District / 2,029 |
| 57. | 0.2% | Vinton-Shellsburg Community School District / 10,546 |
| 59. | 0.2% | Oelwein Community School District / 9,451 |
| 59. | 0.2% | Ankeny Community School District / 46,304 |
| 59. | 0.2% | Waverly-Shell Rock Community School District / 13,371 |
| 59. | 0.2% | Lone Tree Community School District / 2,954 |
| 63. | 0.1% | Iowa City Community School District / 103,013 |
| 64. | 0.1% | Spencer Community School District / 12,119 |
| 64. | 0.1% | Newton Community School District / 21,120 |
| 64. | 0.1% | East Marshall Community School District / 3,787 |
| 64. | 0.1% | Alta Community School District / 2,899 |
| 64. | 0.1% | Storm Lake Community School District / 11,960 |
| 69. | 0.1% | Muscatine Community School District / 28,877 |
| 69. | 0.1% | Anamosa Community School District / 9,405 |
| 69. | 0.1% | Pleasant Valley Community School District / 19,928 |
| 69. | 0.1% | Winfield-Mount Union Community School District / 2,229 |
| 69. | 0.1% | Allamakee Community School District / 9,033 |
| 74. | 0.1% | Grinnell-Newburg Community School District / 12,284 |
| 74. | 0.1% | Clear Creek-Amana Community School District / 11,173 |
| 76. | 0.1% | Indianola Community School District / 19,148 |
| 76. | 0.1% | River Valley Community School District / 2,759 |
| 76. | 0.1% | Waukee Community School District / 32,882 |
| 79. | 0.1% | Sioux Central Community School District / 2,686 |
| 79. | 0.1% | Des Moines Independent Community School District / 202,816 |
| 81. | 0.1% | Johnston Community School District / 28,700 |
| 81. | 0.1% | Durant Community School District / 3,280 |
| 81. | 0.1% | Maquoketa Valley Community School District / 4,516 |
| 81. | 0.1% | Sioux City Community School District / 82,522 |
| 85. | 0.1% | Wapsie Valley Community School District / 3,671 |
| 85. | 0.1% | Cedar Rapids Community School District / 119,132 |
| 87. | 0.1% | Clinton Community School District / 26,447 |
| 87. | 0.1% | Waterloo Community School District / 77,311 |
| 89. | 0.0% | Southern Cal Community School District / 3,104 |
| 89. | 0.0% | MFL MarMac Community School District / 5,721 |
| 89. | 0.0% | Davenport Community School District / 105,189 |
| 92. | 0.0% | Linn-Mar Community School District / 34,836 |
| 92. | 0.0% | Dubuque Community School District / 74,935 |
| 94. | 0.0% | Marshalltown Community School District / 30,335 |
| 95. | 0.0% | Oskaloosa Community School District / 15,690 |
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.
