Wisconsin Voting-age Population By County in 2021 (ACS-5Yrs)
Updated on February 28, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, the voting-age population of Wisconsin was 4.58M which was 77.98% of the total Wisconsin population. Among all Wisconsin counties, Milwaukee had the highest voting-age population (712.11K), followed by Dane (442.10K), and Waukesha (317.88K).
On the other hand, the counties with the least voting-age population were: Menominee (2.92K), Florence (3.81K), and Iron (5.15K).
The chart and table below shows the voting-age population of each county and the percentage of each county's population that are of voting-age.
You can see similar information for other states and by state for the United States.
Related Topics: Wisconsin ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates, 2021 Census.
Wisconsin Voting-age Population By County in 2021
Wisconsin Voting-age Population By County in 2021
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| County | Voting-age Population | % of County Population |
|---|---|---|
| Adams | 17517 | 85.43 |
| Ashland | 12506 | 78.15 |
| Barron | 36398 | 78.23 |
| Bayfield | 13283 | 82.86 |
| Brown | 203742 | 76.20 |
| Buffalo | 10588 | 79.53 |
| Burnett | 13503 | 82.56 |
| Calumet | 39831 | 76.41 |
| Chippewa | 51321 | 77.90 |
| Clark | 24307 | 70.14 |
| Columbia | 45814 | 78.69 |
| Crawford | 12890 | 79.73 |
| Dane | 442096 | 79.59 |
| Dodge | 71509 | 80.10 |
| Door | 24719 | 83.19 |
| Douglas | 35320 | 80.21 |
| Dunn | 36357 | 80.34 |
| Eau Claire | 83697 | 79.56 |
| Florence | 3811 | 83.91 |
| Fond du Lac | 81570 | 78.52 |
| Forest | 7372 | 80.27 |
| Grant | 41232 | 78.97 |
| Green | 28840 | 77.74 |
| Green Lake | 14784 | 77.85 |
| Iowa | 18358 | 77.41 |
| Iron | 5145 | 84.71 |
| Jackson | 16376 | 77.97 |
| Jefferson | 66980 | 78.98 |
| Juneau | 21212 | 79.76 |
| Kenosha | 130384 | 77.27 |
| Kewaunee | 16203 | 78.90 |
| La Crosse | 96358 | 80.10 |
| Lafayette | 12596 | 75.60 |
| Langlade | 15638 | 80.32 |
| Lincoln | 23139 | 81.54 |
| Manitowoc | 64258 | 79.23 |
| Marathon | 105959 | 77.01 |
| Marinette | 33714 | 80.81 |
| Marquette | 12500 | 80.57 |
| Menominee | 2921 | 67.65 |
| Milwaukee | 712110 | 75.83 |
| Monroe | 34371 | 74.57 |
| Oconto | 30902 | 79.87 |
| Oneida | 30905 | 82.48 |
| Outagamie | 144865 | 76.40 |
| Ozaukee | 71489 | 78.53 |
| Pepin | 5773 | 78.78 |
| Pierce | 33480 | 79.33 |
| Polk | 35485 | 79.20 |
| Portage | 56786 | 80.69 |
| Price | 11460 | 81.84 |
| Racine | 151534 | 76.77 |
| Richland | 13569 | 78.19 |
| Rock | 125561 | 76.79 |
| Rusk | 11253 | 79.35 |
| St. Croix | 69593 | 75.24 |
| Sauk | 50407 | 77.04 |
| Sawyer | 14392 | 80.80 |
| Shawano | 32071 | 78.54 |
| Sheboygan | 91443 | 77.81 |
| Taylor | 15263 | 76.47 |
| Trempealeau | 22786 | 74.70 |
| Vernon | 22606 | 73.59 |
| Vilas | 18893 | 82.82 |
| Walworth | 84136 | 79.42 |
| Washburn | 13441 | 81.16 |
| Washington | 106491 | 78.13 |
| Waukesha | 317879 | 78.42 |
| Waupaca | 41113 | 79.42 |
| Waushara | 20020 | 81.62 |
| Winnebago | 135961 | 79.37 |
| Wood | 57931 | 78.17 |