Wisconsin Counties by Population (2026)
by Kristen Carney
Updated: February 9, 2026
The most populous counties in Wisconsin are Milwaukee County with 926,331, Dane County at 572,674, Waukesha County with 411,762, Brown County at 270,892, and Racine County with 197,532. You can get the most current Census population data for all 72 Wisconsin counties, sorted from the most populous counties in Wisconsin to the least, according to the 2024 American Community Survey.
Sure, you can copy this list right into your favorite spreadsheet tool. Or save yourself formatting headaches and grab the latest Wisconsin counties population data as a ready-to-use Excel™ file below. It's time to stop searching and start digging into data!
| Rank | County | Population |
|---|---|---|
| 1 | Milwaukee County | 926,331 |
| 2 | Dane County | 572,674 |
| 3 | Waukesha County | 411,762 |
| 4 | Brown County | 270,892 |
| 5 | Racine County | 197,532 |
| 6 | Outagamie County | 192,826 |
| 7 | Winnebago County | 171,769 |
| 8 | Kenosha County | 168,438 |
| 9 | Rock County | 164,350 |
| 10 | Marathon County | 138,403 |
| 11 | Washington County | 137,879 |
| 12 | La Crosse County | 120,488 |
| 13 | Sheboygan County | 117,991 |
| 14 | Eau Claire County | 107,116 |
| 15 | Walworth County | 105,657 |
| 16 | Fond du Lac County | 104,137 |
| 17 | St. Croix County | 96,033 |
| 18 | Ozaukee County | 92,966 |
| 19 | Dodge County | 88,742 |
| 20 | Jefferson County | 86,003 |
| 21 | Manitowoc County | 81,406 |
| 22 | Wood County | 74,004 |
| 23 | Portage County | 70,832 |
| 24 | Chippewa County | 66,799 |
| 25 | Sauk County | 66,009 |
| 26 | Columbia County | 58,272 |
| 27 | Calumet County | 52,942 |
| 28 | Grant County | 51,770 |
| 29 | Waupaca County | 51,569 |
| 30 | Barron County | 46,797 |
| 31 | Monroe County | 46,208 |
| 32 | Polk County | 45,555 |
| 33 | Dunn County | 45,527 |
| 34 | Douglas County | 44,229 |
| 35 | Pierce County | 42,584 |
| 36 | Marinette County | 42,046 |
| 37 | Shawano County | 41,039 |
| 38 | Oconto County | 39,589 |
| 39 | Oneida County | 38,167 |
| 40 | Green County | 37,017 |
| 41 | Clark County | 34,739 |
| 42 | Vernon County | 31,049 |
| 43 | Trempealeau County | 30,839 |
| 44 | Door County | 30,445 |
| 45 | Lincoln County | 28,426 |
| 46 | Juneau County | 26,689 |
| 47 | Waushara County | 24,868 |
| 48 | Iowa County | 23,867 |
| 49 | Vilas County | 23,647 |
| 50 | Adams County | 21,123 |
| 51 | Jackson County | 20,981 |
| 52 | Kewaunee County | 20,664 |
| 53 | Taylor County | 20,024 |
| 54 | Langlade County | 19,490 |
| 55 | Green Lake County | 19,263 |
| 56 | Sawyer County | 18,476 |
| 57 | Richland County | 17,205 |
| 58 | Lafayette County | 16,942 |
| 59 | Burnett County | 16,916 |
| 60 | Washburn County | 16,854 |
| 61 | Bayfield County | 16,575 |
| 62 | Ashland County | 16,080 |
| 63 | Crawford County | 16,042 |
| 64 | Marquette County | 15,746 |
| 65 | Rusk County | 14,179 |
| 66 | Price County | 14,092 |
| 67 | Buffalo County | 13,393 |
| 68 | Forest County | 9,369 |
| 69 | Pepin County | 7,431 |
| 70 | Iron County | 6,210 |
| 71 | Florence County | 4,646 |
| 72 | Menominee County | 4,252 |
|
United States Census Bureau. B01001 SEX BY AGE, 2024 American Community Survey 5-Year Estimates. U.S. Census Bureau, American Community Survey Office. Web. January 29, 2026. http://www.census.gov/. |
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