| Rank | Portuguese as First Ancestry Population Percentage ▼ | School District / Population |
| 1. | 1.6% | Starmont Community School District / 3,814 |
| 2. | 1.1% | BCLUW Community School District / 3,214 |
| 3. | 1.0% | Walnut Community School District / 1,219 |
| 4. | 1.0% | Williamsburg Community School District / 6,496 |
| 5. | 0.9% | Stanton Community School District / 1,214 |
| 6. | 0.8% | Eddyville-Blakesburg Community School District / 5,108 |
| 7. | 0.8% | H-L-V Community School District / 2,207 |
| 8. | 0.7% | Perry Community School District / 10,091 |
| 9. | 0.7% | Glenwood Community School District / 11,075 |
| 10. | 0.6% | Woodbine Community School District / 2,660 |
| 11. | 0.6% | North Fayette Community School District / 6,122 |
| 12. | 0.6% | Baxter Community School District / 1,717 |
| 13. | 0.5% | Villisca Community School District / 2,189 |
| 14. | 0.5% | Oelwein Community School District / 8,702 |
| 15. | 0.5% | Sheffield Chapin Meservey Thornton Community School District / 4,716 |
| 16. | 0.5% | Lu Verne Community School District / 506 |
| 17. | 0.4% | Boone Community School District / 14,429 |
| 17. | 0.4% | Urbandale Community School District / 20,873 |
| 19. | 0.4% | Northeast Community School District / 2,941 |
| 20. | 0.4% | Whiting Community School District / 1,328 |
| 21. | 0.4% | Van Meter Community School District / 3,282 |
| 21. | 0.4% | Clearfield Community School District / 688 |
| 23. | 0.3% | Forest City Community School District / 7,723 |
| 23. | 0.3% | Mormon Trail Community School District / 1,675 |
| 23. | 0.3% | Cardinal Community School District / 4,014 |
| 26. | 0.3% | Lisbon Community School District / 2,816 |
| 26. | 0.3% | East Buchanan Community School District / 2,905 |
| 28. | 0.3% | Red Oak Community School District / 6,975 |
| 28. | 0.3% | North Central Community School District / 5,594 |
| 28. | 0.3% | River Valley Community School District / 2,583 |
| 31. | 0.3% | Pleasant Valley Community School District / 20,099 |
| 31. | 0.3% | Armstrong-Ringsted Community School District / 2,149 |
| 33. | 0.3% | Northeast Hamilton Community School District / 1,390 |
| 33. | 0.3% | West Sioux Community School District / 3,988 |
| 33. | 0.3% | Garner-Hayfield Community School District / 3,852 |
| 33. | 0.3% | South Hamilton Community School District / 3,602 |
| 37. | 0.3% | North Cedar Community School District / 5,101 |
| 38. | 0.2% | Wayne Community School District / 3,819 |
| 38. | 0.2% | Tri-County Community School District / 1,682 |
| 40. | 0.2% | Howard-Winneshiek Community School District / 9,042 |
| 40. | 0.2% | Melcher-Dallas Community School District / 1,674 |
| 42. | 0.2% | Ames Community School District / 58,297 |
| 43. | 0.2% | Cherokee Community School District / 6,432 |
| 43. | 0.2% | Twin Rivers Community School District / 1,193 |
| 45. | 0.2% | Sibley-Ocheyedan Community School District / 4,603 |
| 45. | 0.2% | Madrid Community School District / 3,512 |
| 45. | 0.2% | Malvern Community School District / 3,384 |
| 48. | 0.2% | Manson Northwest Webster Community School District / 4,280 |
| 48. | 0.2% | Fort Madison Community School District / 17,216 |
| 50. | 0.2% | Hampton-Dumont Community School District / 6,739 |
| 50. | 0.2% | Marion Independent School District / 12,255 |
| 50. | 0.2% | Winfield-Mount Union Community School District / 1,651 |
| 50. | 0.2% | North Iowa Community School District / 3,147 |
| 54. | 0.1% | Grinnell-Newburg Community School District / 12,345 |
| 55. | 0.1% | Lake Mills Community School District / 3,576 |
| 55. | 0.1% | Waverly-Shell Rock Community School District / 13,825 |
| 55. | 0.1% | Maquoketa Valley Community School District / 4,450 |
| 55. | 0.1% | Corwith-Wesley Community School District / 921 |
| 59. | 0.1% | Mason City Community School District / 28,622 |
| 59. | 0.1% | Allison-Bristow Community School District / 4,070 |
| 59. | 0.1% | Brooklyn-Guernsey-Malcom Community School District / 3,173 |
| 59. | 0.1% | Woodbury Central Community School District / 2,901 |
| 59. | 0.1% | Washington Community School District / 10,221 |
| 59. | 0.1% | Linn-Mar Community School District / 37,068 |
| 65. | 0.1% | Carroll Community School District / 14,060 |
| 65. | 0.1% | Charter Oak-Ute Community School District / 2,099 |
| 65. | 0.1% | Newton Community School District / 21,242 |
| 68. | 0.1% | Newell-Fonda Community School District / 2,569 |
| 68. | 0.1% | Emmetsburg Community School District / 4,971 |
| 68. | 0.1% | Carlisle Community School District / 8,924 |
| 68. | 0.1% | College Community School District / 24,875 |
| 68. | 0.1% | Des Moines Independent Community School District / 205,612 |
| 68. | 0.1% | Knoxville Community School District / 11,702 |
| 68. | 0.1% | Mount Pleasant Community School District / 12,907 |
| 68. | 0.1% | MOC-Floyd Valley Community School District / 11,218 |
| 68. | 0.1% | Humboldt Community School District / 7,467 |
| 77. | 0.1% | Spencer Community School District / 12,952 |
| 77. | 0.1% | South Page Community School District / 1,510 |
| 77. | 0.1% | Wapsie Valley Community School District / 3,790 |
| 77. | 0.1% | Union Community School District / 6,347 |
| 77. | 0.1% | Harmony Community School District / 2,823 |
| 77. | 0.1% | Edgewood-Colesburg Community School District / 2,949 |
| 83. | 0.1% | Indianola Community School District / 20,037 |
| 83. | 0.1% | Griswold Community School District / 3,404 |
| 83. | 0.1% | Southern Cal Community School District / 2,962 |
| 86. | 0.1% | Okoboji Community School District / 6,700 |
| 86. | 0.1% | Dubuque Community School District / 76,893 |
| 86. | 0.1% | Fairfield Community School District / 15,659 |
| 86. | 0.1% | Iowa Valley Community School District / 3,512 |
| 86. | 0.1% | West Marshall Community School District / 4,951 |
| 91. | 0.1% | Roland-Story Community School District / 5,841 |
| 92. | 0.1% | Iowa City Community School District / 110,675 |
| 92. | 0.1% | Cedar Rapids Community School District / 120,797 |
| 92. | 0.1% | Davenport Community School District / 108,996 |
| 92. | 0.1% | Ar-We-Va Community School District / 2,230 |
| 92. | 0.1% | Clinton Community School District / 25,889 |
| 92. | 0.1% | Bettendorf Community School District / 23,151 |
| 98. | 0.0% | Norwalk Community School District / 11,717 |
| 98. | 0.0% | Martensdale-St. Marys Community School District / 3,019 |
| 98. | 0.0% | MFL MarMac Community School District / 5,471 |
| 98. | 0.0% | Dallas Center-Grimes Community School District / 10,190 |
| 98. | 0.0% | Durant Community School District / 3,345 |
| 98. | 0.0% | Southeast Polk Community School District / 33,956 |
| 104. | 0.0% | Harlan Community School District / 8,844 |
| 104. | 0.0% | West Monona Community School District / 4,003 |
| 104. | 0.0% | Midland Community School District / 3,620 |
| 104. | 0.0% | Ottumwa Community School District / 28,949 |
| 104. | 0.0% | Sioux City Community School District / 83,385 |
| 109. | 0.0% | Gilbert Community School District / 6,714 |
| 109. | 0.0% | Cedar Falls Community School District / 41,989 |
| 109. | 0.0% | Ankeny Community School District / 53,970 |
| 109. | 0.0% | Waterloo Community School District / 77,406 |
| 113. | 0.0% | Council Bluffs Community School District / 59,876 |
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.
