| Rank | Portuguese as First Ancestry Population Percentage ▼ | School District / Population |
| 1. | 2.4% | Dodgeville School District / 8,188 |
| 2. | 0.8% | Genoa City Joint No. 2 School District / 5,453 |
| 3. | 0.8% | Hartland-Lakeside Joint No. 3 School District / 11,338 |
| 4. | 0.7% | Fox Point Joint No. 2 School District / 11,129 |
| 5. | 0.6% | Blair-Taylor School District / 4,291 |
| 6. | 0.6% | Linn Joint No. 4 School District / 1,028 |
| 7. | 0.5% | Poynette School District / 6,358 |
| 8. | 0.4% | Lake Geneva-Genoa City Union High School District / 24,342 |
| 9. | 0.3% | North Lake School District / 2,814 |
| 10. | 0.3% | Janesville School District / 62,962 |
| 11. | 0.3% | Nicolet Union High School District / 25,523 |
| 12. | 0.3% | Salem School District / 9,446 |
| 12. | 0.3% | Arrowhead Union High School District / 34,356 |
| 12. | 0.3% | Verona Area School District / 40,475 |
| 15. | 0.3% | Cedarburg School District / 19,793 |
| 16. | 0.3% | Florence School District / 4,473 |
| 17. | 0.2% | Jefferson School District / 13,304 |
| 17. | 0.2% | Random Lake School District / 5,687 |
| 19. | 0.2% | Elmwood School District / 2,162 |
| 19. | 0.2% | Suring School District / 4,052 |
| 21. | 0.2% | Clear Lake School District / 3,261 |
| 21. | 0.2% | Lake Geneva Joint No. 1 School District / 16,734 |
| 23. | 0.2% | Cochrane-Fountain City School District / 4,629 |
| 24. | 0.2% | Ladysmith-Hawkins School District / 5,256 |
| 24. | 0.2% | Oregon School District / 20,141 |
| 24. | 0.2% | Cedar Grove-Belgium Area School District / 5,598 |
| 27. | 0.2% | Tomah Area School District / 20,794 |
| 27. | 0.2% | Norway Joint No. 7 School District / 1,884 |
| 27. | 0.2% | Waupaca School District / 15,698 |
| 27. | 0.2% | North Crawford School District / 3,141 |
| 27. | 0.2% | Fontana Joint No. 8 School District / 2,363 |
| 32. | 0.2% | Germantown School District / 25,594 |
| 33. | 0.2% | Whitewater School District / 20,275 |
| 34. | 0.2% | Dodgeland School District / 5,821 |
| 35. | 0.2% | Grafton School District / 14,235 |
| 35. | 0.2% | Iowa-Grant School District / 4,543 |
| 35. | 0.2% | Wisconsin Heights School District / 5,965 |
| 35. | 0.2% | Sheboygan Area School District / 60,517 |
| 39. | 0.1% | Name N/A / 213,969 |
| 39. | 0.1% | Westosha Central High School District / 19,733 |
| 39. | 0.1% | Baraboo School District / 20,321 |
| 39. | 0.1% | Cambria-Friesland School District / 2,373 |
| 43. | 0.1% | Pewaukee School District / 17,369 |
| 43. | 0.1% | Kohler School District / 2,410 |
| 43. | 0.1% | Stanley-Boyd Area School District / 7,760 |
| 43. | 0.1% | Spring Valley School District / 4,398 |
| 47. | 0.1% | Granton Area School District / 2,223 |
| 47. | 0.1% | St. Croix Central School District / 7,585 |
| 47. | 0.1% | Elkhorn Area School District / 17,786 |
| 47. | 0.1% | Milton School District / 19,123 |
| 47. | 0.1% | Howard-Suamico School District / 29,717 |
| 47. | 0.1% | Antigo School District / 17,801 |
| 47. | 0.1% | La Crosse School District / 63,606 |
| 54. | 0.1% | Thorp School District / 4,434 |
| 54. | 0.1% | Durand School District / 7,216 |
| 54. | 0.1% | Madison Metropolitan School District / 231,979 |
| 54. | 0.1% | Brodhead School District / 6,436 |
| 54. | 0.1% | Clayton School District / 2,071 |
| 59. | 0.1% | Merrill Area School District / 20,594 |
| 59. | 0.1% | Beaver Dam School District / 22,667 |
| 59. | 0.1% | Sun Prairie Area School District / 42,859 |
| 59. | 0.1% | Hamilton School District / 25,784 |
| 59. | 0.1% | Cashton School District / 3,579 |
| 59. | 0.1% | Franklin Public School District / 29,025 |
| 59. | 0.1% | Two Rivers School District / 13,011 |
| 59. | 0.1% | Ashwaubenon School District / 16,070 |
| 67. | 0.1% | Shorewood School District / 13,245 |
| 67. | 0.1% | Wausaukee School District / 4,075 |
| 67. | 0.1% | North Lakeland School District / 2,617 |
| 67. | 0.1% | Wisconsin Dells School District / 11,762 |
| 67. | 0.1% | Westfield School District / 9,240 |
| 67. | 0.1% | Oconto Falls School District / 10,837 |
| 67. | 0.1% | Mosinee School District / 11,575 |
| 67. | 0.1% | Southern Door County School District / 7,913 |
| 67. | 0.1% | Middleton-Cross Plains School District / 39,214 |
| 67. | 0.1% | Wausau School District / 54,341 |
| 67. | 0.1% | Boscobel Area School District / 5,662 |
| 67. | 0.1% | Adams-Friendship Area School District / 14,373 |
| 67. | 0.1% | Lac du Flambeau No. 1 School District / 3,439 |
| 80. | 0.1% | Benton School District / 1,446 |
| 80. | 0.1% | Holmen School District / 19,880 |
| 80. | 0.1% | Unity School District / 7,384 |
| 80. | 0.1% | Wrightstown Community School District / 7,476 |
| 84. | 0.1% | Monroe School District / 15,685 |
| 84. | 0.1% | Manawa School District / 5,076 |
| 84. | 0.1% | Stevens Point Area School District / 56,966 |
| 84. | 0.1% | Delavan-Darien School District / 17,140 |
| 84. | 0.1% | Wild Rose School District / 5,153 |
| 89. | 0.1% | Nekoosa School District / 8,698 |
| 89. | 0.1% | New Holstein School District / 8,948 |
| 89. | 0.1% | Mondovi School District / 5,877 |
| 89. | 0.1% | D.C. Everest Area School District / 34,571 |
| 89. | 0.1% | Hudson School District / 30,864 |
| 89. | 0.1% | Marshall School District / 5,829 |
| 89. | 0.1% | Port Washington-Saukville School District / 17,300 |
| 89. | 0.1% | Elmbrook School District / 45,085 |
| 89. | 0.1% | Pittsville School District / 4,042 |
| 89. | 0.1% | River Ridge School District / 3,807 |
| 89. | 0.1% | Whitnall School District / 17,477 |
| 89. | 0.1% | Wauwatosa School District / 46,838 |
| 101. | 0.1% | Owen-Withee School District / 4,552 |
| 101. | 0.1% | Pardeeville Area School District / 7,116 |
| 101. | 0.1% | Big Foot Union High School District / 9,326 |
| 101. | 0.1% | Fennimore Community School District / 4,720 |
| 101. | 0.1% | New Berlin School District / 35,101 |
| 101. | 0.1% | Flambeau School District / 4,318 |
| 101. | 0.1% | Mequon-Thiensville School District / 26,543 |
| 101. | 0.1% | Drummond Area School District / 4,565 |
| 101. | 0.1% | Kenosha School District / 128,596 |
| 101. | 0.1% | DeForest Area School District / 20,770 |
| 111. | 0.0% | Chippewa Falls Area School District / 33,735 |
| 111. | 0.0% | South Milwaukee School District / 21,210 |
| 111. | 0.0% | Burlington Area School District / 23,139 |
| 111. | 0.0% | Rosendale-Brandon School District / 5,591 |
| 111. | 0.0% | Bayfield School District / 2,763 |
| 111. | 0.0% | Gibraltar Area School District / 5,633 |
| 111. | 0.0% | Webster School District / 5,650 |
| 111. | 0.0% | Markesan School District / 6,710 |
| 111. | 0.0% | Green Bay Area School District / 137,011 |
| 111. | 0.0% | Winneconne Community School District / 8,945 |
| 111. | 0.0% | Lancaster Community School District / 6,028 |
| 111. | 0.0% | Milwaukee School District / 598,035 |
| 111. | 0.0% | Kickapoo Area School District / 3,162 |
| 124. | 0.0% | Valders Area School District / 6,970 |
| 124. | 0.0% | Wittenberg-Birnamwood School District / 7,656 |
| 124. | 0.0% | Beloit School District / 36,451 |
| 124. | 0.0% | Westby Area School District / 7,902 |
| 124. | 0.0% | Luxemburg-Casco School District / 10,957 |
| 124. | 0.0% | Prescott School District / 7,902 |
| 124. | 0.0% | Lakeland Union High School District / 17,992 |
| 124. | 0.0% | Oconomowoc Area School District / 33,489 |
| 132. | 0.0% | Appleton Area School District / 95,613 |
| 132. | 0.0% | Waupun School District / 19,002 |
| 132. | 0.0% | West Bend School District / 51,889 |
| 132. | 0.0% | Waterford Union High School District / 18,481 |
| 132. | 0.0% | Manitowoc School District / 38,734 |
| 132. | 0.0% | Cudahy School District / 18,321 |
| 132. | 0.0% | Spooner Area School District / 10,344 |
| 132. | 0.0% | Sevastopol School District / 5,120 |
| 132. | 0.0% | Medford Area School District / 14,425 |
| 132. | 0.0% | Platteville School District / 15,055 |
| 132. | 0.0% | Mauston School District / 9,862 |
| 132. | 0.0% | Richland School District / 11,095 |
| 144. | 0.0% | Superior School District / 33,504 |
| 144. | 0.0% | Mukwonago School District / 29,112 |
| 144. | 0.0% | Marshfield School District / 27,462 |
| 144. | 0.0% | New Richmond School District / 17,211 |
| 144. | 0.0% | Eau Claire Area School District / 82,084 |
| 144. | 0.0% | West De Pere School District / 21,072 |
| 144. | 0.0% | West Allis School District / 68,357 |
| 144. | 0.0% | River Falls School District / 22,810 |
| 144. | 0.0% | Black River Falls School District / 12,464 |
| 144. | 0.0% | Waukesha School District / 93,541 |
| 154. | 0.0% | Oshkosh Area School District / 80,425 |
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.
