Ranking of Wisconsin Counties By Population Density from Census 2020
According to the data from the US 2020 Census, as at April 2020, among all Wisconsin counties, Milwaukee County had the highest population density per square mile (3.89K people per sqr mile), followed by Waukesha County (740.34 people per sqr mile), and Kenosha County (622.25 people per sqr mile).
On the other hand, Iron County had the lowest population density (8.09 people per sqr mile), followed by Forest County (9.05 people per sqr mile), and Florence County (9.34 people per sqr mile).
The chart below shows the top 10 counties with high population density, and the table below shows the ranking of all Wisconsin counties.
You can also see similar ranking of counties information for other states as well as for all counties in the United States.
| Rank | County | Population Density |
|---|---|---|
| 1 | Milwaukee County | 3890.52 |
| 2 | Waukesha County | 740.34 |
| 3 | Kenosha County | 622.25 |
| 4 | Racine County | 594.42 |
| 5 | Brown County | 506.97 |
| 6 | Dane County | 469.29 |
| 7 | Winnebago County | 395.06 |
| 8 | Ozaukee County | 392.69 |
| 9 | Washington County | 317.57 |
| 10 | Outagamie County | 299.12 |
| 11 | La Crosse County | 267.34 |
| 12 | Sheboygan County | 230.75 |
| 13 | Rock County | 227.92 |
| 14 | Walworth County | 191.72 |
| 15 | Eau Claire County | 165.71 |
| 16 | Calumet County | 164.78 |
| 17 | Jefferson County | 152.56 |
| 18 | Fond du Lac County | 144.75 |
| 19 | Manitowoc County | 138.06 |
| 20 | St. Croix County | 129.52 |
| 21 | Dodge County | 102.09 |
| 22 | Wood County | 93.57 |
| 23 | Marathon County | 89.32 |
| 24 | Portage County | 87.88 |
| 25 | Sauk County | 79.09 |
| 26 | Columbia County | 76.40 |
| 27 | Pierce County | 73.54 |
| 28 | Waupaca County | 69.30 |
| 29 | Chippewa County | 65.75 |
| 30 | Green County | 63.51 |
| 31 | Door County | 62.38 |
| 32 | Kewaunee County | 60.05 |
| 33 | Green Lake County | 54.41 |
| 34 | Barron County | 54.12 |
| 35 | Dunn County | 53.45 |
| 36 | Monroe County | 51.36 |
| 37 | Polk County | 49.19 |
| 38 | Shawano County | 45.77 |
| 39 | Grant County | 45.29 |
| 40 | Trempealeau County | 41.97 |
| 41 | Waushara County | 39.16 |
| 42 | Oconto County | 39.06 |
| 43 | Vernon County | 38.80 |
| 44 | Juneau County | 34.83 |
| 45 | Marquette County | 34.22 |
| 46 | Oneida County | 33.97 |
| 47 | Douglas County | 33.96 |
| 48 | Lincoln County | 32.34 |
| 49 | Adams County | 31.99 |
| 50 | Pepin County | 31.54 |
| 51 | Iowa County | 31.09 |
| 52 | Marinette County | 29.92 |
| 53 | Richland County | 29.52 |
| 54 | Clark County | 28.65 |
| 55 | Crawford County | 28.24 |
| 56 | Vilas County | 26.87 |
| 57 | Lafayette County | 26.22 |
| 58 | Langlade County | 22.39 |
| 59 | Jackson County | 21.40 |
| 60 | Washburn County | 20.85 |
| 61 | Taylor County | 20.42 |
| 62 | Burnett County | 20.11 |
| 63 | Buffalo County | 19.71 |
| 64 | Rusk County | 15.53 |
| 65 | Ashland County | 15.34 |
| 66 | Sawyer County | 14.37 |
| 67 | Menominee County | 11.90 |
| 68 | Price County | 11.21 |
| 69 | Bayfield County | 10.98 |
| 70 | Florence County | 9.34 |
| 71 | Forest County | 9.05 |
| 72 | Iron County | 8.09 |