| Rank | Portuguese as First Ancestry Population Percentage ▼ | School District / Population |
| 1. | 1.6% | New Holstein School District / 8,839 |
| 2. | 1.0% | Norway Joint No. 7 School District / 2,042 |
| 3. | 0.8% | Cameron School District / 4,503 |
| 4. | 0.7% | Blair-Taylor School District / 4,244 |
| 5. | 0.4% | Oconto Falls School District / 11,042 |
| 6. | 0.4% | Durand School District / 7,399 |
| 7. | 0.4% | Union Grove Joint No. 1 School District / 5,418 |
| 8. | 0.4% | Owen-Withee School District / 4,309 |
| 9. | 0.3% | Green Lake School District / 2,839 |
| 10. | 0.3% | Ashland School District / 12,362 |
| 10. | 0.3% | Rhinelander School District / 20,486 |
| 12. | 0.3% | Poynette School District / 6,309 |
| 12. | 0.3% | North Lake School District / 2,674 |
| 12. | 0.3% | Swallow School District / 3,248 |
| 12. | 0.3% | Baraboo School District / 19,864 |
| 16. | 0.3% | Wisconsin Heights School District / 5,719 |
| 17. | 0.3% | Marathon City School District / 4,710 |
| 18. | 0.3% | Two Rivers School District / 13,110 |
| 18. | 0.3% | Janesville School District / 63,176 |
| 20. | 0.2% | North Crawford School District / 2,892 |
| 21. | 0.2% | South Milwaukee School District / 20,971 |
| 21. | 0.2% | Greenfield School District / 28,183 |
| 21. | 0.2% | Elmwood School District / 2,094 |
| 24. | 0.2% | West Allis School District / 68,122 |
| 24. | 0.2% | Verona Area School District / 36,326 |
| 26. | 0.2% | Manitowoc School District / 40,014 |
| 27. | 0.2% | D.C. Everest Area School District / 32,767 |
| 27. | 0.2% | Seneca School District / 1,881 |
| 29. | 0.2% | Ladysmith-Hawkins School District / 6,026 |
| 29. | 0.2% | Monticello School District / 2,435 |
| 29. | 0.2% | Genoa City Joint No. 2 School District / 4,920 |
| 32. | 0.2% | Granton Area School District / 2,053 |
| 32. | 0.2% | Marshall School District / 5,944 |
| 32. | 0.2% | Princeton School District / 3,192 |
| 35. | 0.2% | Boscobel Area School District / 5,664 |
| 35. | 0.2% | St. Croix Central School District / 7,544 |
| 37. | 0.2% | Stratford School District / 4,921 |
| 37. | 0.2% | Clinton Community School District / 5,720 |
| 37. | 0.2% | Gibraltar Area School District / 5,460 |
| 37. | 0.2% | Whitefish Bay School District / 13,988 |
| 41. | 0.1% | Benton School District / 1,644 |
| 41. | 0.1% | Necedah Area School District / 4,642 |
| 41. | 0.1% | Union Grove Union High School District / 13,069 |
| 41. | 0.1% | Reedsburg School District / 16,395 |
| 41. | 0.1% | Fennimore Community School District / 4,817 |
| 46. | 0.1% | Mukwonago School District / 28,227 |
| 46. | 0.1% | Middleton-Cross Plains School District / 36,520 |
| 46. | 0.1% | Lodi School District / 9,515 |
| 46. | 0.1% | Cashton School District / 3,601 |
| 46. | 0.1% | Wauwatosa School District / 46,179 |
| 46. | 0.1% | Cornell School District / 2,742 |
| 46. | 0.1% | Fond du Lac School District / 52,114 |
| 46. | 0.1% | Nekoosa School District / 9,383 |
| 54. | 0.1% | Albany School District / 2,850 |
| 54. | 0.1% | Hartland-Lakeside Joint No. 3 School District / 11,458 |
| 54. | 0.1% | Southern Door County School District / 8,290 |
| 54. | 0.1% | Loyal School District / 4,110 |
| 58. | 0.1% | Waterford Union High School District / 18,533 |
| 58. | 0.1% | Campbellsport School District / 10,873 |
| 60. | 0.1% | Barneveld School District / 2,260 |
| 60. | 0.1% | Turtle Lake School District / 3,458 |
| 60. | 0.1% | Adams-Friendship Area School District / 14,801 |
| 60. | 0.1% | Clear Lake School District / 3,290 |
| 60. | 0.1% | Wrightstown Community School District / 6,578 |
| 60. | 0.1% | Tomah Area School District / 19,552 |
| 60. | 0.1% | Peshtigo School District / 6,331 |
| 60. | 0.1% | Pewaukee School District / 16,268 |
| 60. | 0.1% | Shorewood School District / 13,144 |
| 60. | 0.1% | Tomahawk School District / 10,005 |
| 70. | 0.1% | Webster School District / 5,930 |
| 70. | 0.1% | Arrowhead Union High School District / 33,537 |
| 70. | 0.1% | Northland Pines School District / 11,119 |
| 70. | 0.1% | Riverdale School District / 4,954 |
| 70. | 0.1% | Bangor School District / 3,784 |
| 70. | 0.1% | Racine School District / 139,222 |
| 70. | 0.1% | New Berlin School District / 34,833 |
| 77. | 0.1% | Hurley School District / 3,948 |
| 77. | 0.1% | Madison Metropolitan School District / 222,505 |
| 77. | 0.1% | Mequon-Thiensville School District / 26,398 |
| 77. | 0.1% | Osceola School District / 9,068 |
| 77. | 0.1% | Waunakee Community School District / 17,713 |
| 77. | 0.1% | New London School District / 15,575 |
| 77. | 0.1% | Grafton School District / 13,377 |
| 77. | 0.1% | Stevens Point Area School District / 56,140 |
| 77. | 0.1% | Fall Creek School District / 3,993 |
| 86. | 0.1% | New Glarus School District / 4,360 |
| 86. | 0.1% | Sheboygan Area School District / 61,243 |
| 86. | 0.1% | North Fond du Lac School District / 7,732 |
| 86. | 0.1% | Cadott Community School District / 4,863 |
| 86. | 0.1% | Waupun School District / 19,499 |
| 91. | 0.1% | Birchwood School District / 1,873 |
| 91. | 0.1% | Cumberland School District / 5,960 |
| 91. | 0.1% | Elmbrook School District / 44,865 |
| 91. | 0.1% | Milwaukee School District / 589,660 |
| 91. | 0.1% | Mondovi School District / 5,904 |
| 91. | 0.1% | Howard-Suamico School District / 27,407 |
| 91. | 0.1% | Melrose-Mindoro School District / 4,044 |
| 91. | 0.1% | Seymour Community School District / 13,414 |
| 91. | 0.1% | Stanley-Boyd Area School District / 7,357 |
| 91. | 0.1% | Oconomowoc Area School District / 32,215 |
| 91. | 0.1% | Hamilton School District / 25,545 |
| 91. | 0.1% | Kimberly Area School District / 25,126 |
| 103. | 0.1% | Luxemburg-Casco School District / 11,024 |
| 103. | 0.1% | Beloit School District / 36,988 |
| 103. | 0.1% | Unity School District / 7,077 |
| 103. | 0.1% | Franklin Public School District / 28,331 |
| 103. | 0.1% | Valders Area School District / 6,918 |
| 103. | 0.1% | Green Bay Area School District / 135,804 |
| 103. | 0.1% | Holmen School District / 18,459 |
| 103. | 0.1% | Amery School District / 9,888 |
| 103. | 0.1% | Thorp School District / 4,323 |
| 103. | 0.1% | West De Pere School District / 19,425 |
| 103. | 0.1% | Pardeeville Area School District / 6,848 |
| 114. | 0.0% | Name N/A / 211,008 |
| 114. | 0.0% | Sun Prairie Area School District / 39,969 |
| 114. | 0.0% | West Bend School District / 50,925 |
| 114. | 0.0% | Westby Area School District / 7,858 |
| 114. | 0.0% | Winter School District / 2,779 |
| 114. | 0.0% | Wisconsin Rapids School District / 34,227 |
| 114. | 0.0% | Lake Geneva-Genoa City Union High School District / 24,206 |
| 114. | 0.0% | La Crosse School District / 62,715 |
| 114. | 0.0% | Eau Claire Area School District / 80,230 |
| 114. | 0.0% | Westfield School District / 9,326 |
| 114. | 0.0% | Northern Ozaukee School District / 5,679 |
| 114. | 0.0% | Mosinee School District / 12,002 |
| 114. | 0.0% | River Falls School District / 22,575 |
| 114. | 0.0% | Portage Community School District / 17,337 |
| 128. | 0.0% | Port Washington-Saukville School District / 17,054 |
| 128. | 0.0% | Pittsville School District / 3,930 |
| 128. | 0.0% | Black River Falls School District / 12,027 |
| 128. | 0.0% | Monroe School District / 15,877 |
| 128. | 0.0% | Kenosha School District / 126,607 |
| 133. | 0.0% | Medford Area School District / 14,466 |
| 133. | 0.0% | Hayward Community School District / 13,613 |
| 133. | 0.0% | Waukesha School District / 92,894 |
| 133. | 0.0% | Barron Area School District / 9,413 |
| 137. | 0.0% | Menomonie Area School District / 26,646 |
| 137. | 0.0% | Appleton Area School District / 94,043 |
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.
