Ranking of Wisconsin Counties By Population in 2015
Updated on June 21, 2025.
Based on the US Census Vintage data estimates, in 2015, the Population for Wisconsin was 5.76M. Among all Wisconsin counties, Milwaukee County had the highest population (958.61K), followed by Dane County (523.40K), and Waukesha County (396.38K).
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), 2015 Census.
See this for other years:
Ranking of Wisconsin Counties By Population in 2015
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| Rank | County | Population |
|---|---|---|
| 1 | Milwaukee County | 958606 |
| 2 | Dane County | 523399 |
| 3 | Waukesha County | 396377 |
| 4 | Brown County | 257916 |
| 5 | Racine County | 194725 |
| 6 | Outagamie County | 183311 |
| 7 | Winnebago County | 169383 |
| 8 | Kenosha County | 168044 |
| 9 | Rock County | 161095 |
| 10 | Marathon County | 135361 |
| 11 | Washington County | 133920 |
| 12 | La Crosse County | 117782 |
| 13 | Sheboygan County | 115209 |
| 14 | Walworth County | 102508 |
| 15 | Eau Claire County | 102142 |
| 16 | Fond du Lac County | 101970 |
| 17 | Ozaukee County | 87991 |
| 18 | Dodge County | 87838 |
| 19 | St. Croix County | 87207 |
| 20 | Jefferson County | 84501 |
| 21 | Manitowoc County | 79488 |
| 22 | Wood County | 73360 |
| 23 | Portage County | 70544 |
| 24 | Chippewa County | 63438 |
| 25 | Sauk County | 63290 |
| 26 | Columbia County | 56683 |
| 27 | Grant County | 52103 |
| 28 | Waupaca County | 51684 |
| 29 | Calumet County | 49823 |
| 30 | Barron County | 45375 |
| 31 | Monroe County | 45314 |
| 32 | Dunn County | 44300 |
| 33 | Douglas County | 43553 |
| 34 | Polk County | 43240 |
| 35 | Pierce County | 41117 |
| 36 | Shawano County | 41058 |
| 37 | Marinette County | 40676 |
| 38 | Oconto County | 37474 |
| 39 | Green County | 36928 |
| 40 | Oneida County | 35307 |
| 41 | Clark County | 34350 |
| 42 | Vernon County | 30331 |
| 43 | Trempealeau County | 29444 |
| 44 | Lincoln County | 27864 |
| 45 | Door County | 27320 |
| 46 | Juneau County | 26319 |
| 47 | Waushara County | 23966 |
| 48 | Iowa County | 23597 |
| 49 | Vilas County | 21455 |
| 50 | Jackson County | 20526 |
| 51 | Kewaunee County | 20329 |
| 52 | Taylor County | 20314 |
| 53 | Adams County | 20027 |
| 54 | Langlade County | 19051 |
| 55 | Green Lake County | 18703 |
| 56 | Richland County | 17568 |
| 57 | Lafayette County | 16785 |
| 58 | Crawford County | 16315 |
| 59 | Sawyer County | 16297 |
| 60 | Ashland County | 15808 |
| 61 | Washburn County | 15515 |
| 62 | Burnett County | 15140 |
| 63 | Marquette County | 15112 |
| 64 | Bayfield County | 14980 |
| 65 | Rusk County | 14119 |
| 66 | Price County | 13577 |
| 67 | Buffalo County | 13245 |
| 68 | Forest County | 9015 |
| 69 | Pepin County | 7238 |
| 70 | Iron County | 5724 |
| 71 | Menominee County | 4510 |
| 72 | Florence County | 4343 |
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