Ranking of Wisconsin Counties By Population in 2021
Updated on August 1, 2024.
Based on the US Census Vintage data estimates, in 2021, the Population for Wisconsin was 5.88M. Among all Wisconsin counties, Milwaukee County had the highest population (924.28K), followed by Dane County (561.54K), and Waukesha County (409.11K).
The chart below shows the top 10 counties, and the table below shows the ranking of all Wisconsin counties.
You can see similar ranking information for related topics, and for other states. You can also see the ranking of all counties in the United States.
Related Topics: Wisconsin Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage), 2021 Census.
See this for other years:
Ranking of Wisconsin Counties By Population in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | Milwaukee County | 924276 |
| 2 | Dane County | 561542 |
| 3 | Waukesha County | 409108 |
| 4 | Brown County | 268899 |
| 5 | Racine County | 196505 |
| 6 | Outagamie County | 191320 |
| 7 | Winnebago County | 170580 |
| 8 | Kenosha County | 168414 |
| 9 | Rock County | 164115 |
| 10 | Marathon County | 137755 |
| 11 | Washington County | 137253 |
| 12 | La Crosse County | 119331 |
| 13 | Sheboygan County | 117687 |
| 14 | Eau Claire County | 106017 |
| 15 | Walworth County | 105296 |
| 16 | Fond du Lac County | 104116 |
| 17 | St. Croix County | 94998 |
| 18 | Ozaukee County | 92600 |
| 19 | Dodge County | 88689 |
| 20 | Jefferson County | 85782 |
| 21 | Manitowoc County | 81506 |
| 22 | Wood County | 74005 |
| 23 | Portage County | 69433 |
| 24 | Chippewa County | 66590 |
| 25 | Sauk County | 65702 |
| 26 | Columbia County | 58445 |
| 27 | Calumet County | 52583 |
| 28 | Waupaca County | 51986 |
| 29 | Grant County | 51296 |
| 30 | Barron County | 46709 |
| 31 | Monroe County | 46083 |
| 32 | Polk County | 45466 |
| 33 | Dunn County | 44518 |
| 34 | Douglas County | 44055 |
| 35 | Marinette County | 41858 |
| 36 | Pierce County | 41606 |
| 37 | Shawano County | 40829 |
| 38 | Oconto County | 39421 |
| 39 | Oneida County | 38249 |
| 40 | Green County | 37066 |
| 41 | Clark County | 34762 |
| 42 | Vernon County | 30917 |
| 43 | Trempealeau County | 30723 |
| 44 | Door County | 30425 |
| 45 | Lincoln County | 28457 |
| 46 | Juneau County | 26763 |
| 47 | Waushara County | 24760 |
| 48 | Iowa County | 23807 |
| 49 | Vilas County | 23508 |
| 50 | Jackson County | 20915 |
| 51 | Adams County | 20837 |
| 52 | Kewaunee County | 20589 |
| 53 | Taylor County | 19938 |
| 54 | Langlade County | 19479 |
| 55 | Green Lake County | 19249 |
| 56 | Sawyer County | 18226 |
| 57 | Richland County | 17199 |
| 58 | Lafayette County | 16830 |
| 59 | Burnett County | 16755 |
| 60 | Washburn County | 16748 |
| 61 | Bayfield County | 16322 |
| 62 | Crawford County | 16097 |
| 63 | Ashland County | 16048 |
| 64 | Marquette County | 15784 |
| 65 | Rusk County | 14085 |
| 66 | Price County | 14048 |
| 67 | Buffalo County | 13325 |
| 68 | Forest County | 9257 |
| 69 | Pepin County | 7374 |
| 70 | Iron County | 6172 |
| 71 | Florence County | 4593 |
| 72 | Menominee County | 4297 |