Wisconsin Citizen Voting-age Population By County in 2015 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2015, the citizen voting-age population for Wisconsin was 4,294,320 and represented 74.79% of the total Wisconsin population.

Among all Wisconsin counties, Milwaukee had the highest citizen voting-age population (676.08K), followed by Dane (378.45K), and Waukesha (296.02K).

In terms of percentages, Iron had the highest percentage of its population being citizens of voting-age (83.91%), followed by Adams (83.25%), and Florence (82.57%).

The chart and table below shows the citizen voting-age population of each county and the percentage of each county's population that were citizens of voting-age.

You can see similar information for other states and by state for the United States.

See this for other years:
Wisconsin Citizen Voting-age Population By County in 2015
Wisconsin Citizen Voting-age Population By County in 2015
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County Citizen Voting-age Population % of County Population
Milwaukee 676080 70.72
Dane 378450 74.18
Waukesha 296015 75.16
Brown 183965 72.22
Racine 143070 73.41
Outagamie 133040 73.74
Winnebago 131150 77.60
Kenosha 122035 72.75
Rock 117855 73.33
Marathon 101100 74.79
Washington 100595 75.68
La Crosse 91705 78.35
Sheboygan 85920 74.57
Eau Claire 79045 78.05
Fond du Lac 77385 75.93
Walworth 76295 74.04
Dodge 68870 77.78
Ozaukee 66535 76.24
Jefferson 63305 75.06
St. Croix 62980 73.13
Manitowoc 62525 77.65
Wood 56905 76.89
Portage 55495 78.80
Chippewa 48395 76.56
Sauk 47485 75.39
Columbia 43455 76.77
Grant 40480 78.62
Waupaca 40335 77.38
Calumet 36325 73.12
Barron 35320 77.31
Dunn 34775 78.75
Douglas 34345 78.41
Polk 33545 76.99
Monroe 33165 73.25
Marinette 32980 79.88
Shawano 32140 77.33
Pierce 31670 77.62
Oconto 29410 78.48
Oneida 29230 81.98
Green 27915 75.35
Clark 23705 68.67
Door 22805 82.24
Lincoln 22480 79.48
Vernon 22305 73.66
Trempealeau 21530 73.21
Juneau 20830 78.62
Waushara 19280 79.28
Iowa 18010 75.77
Vilas 17600 82.42
Adams 17025 83.25
Jackson 15895 77.37
Kewaunee 15685 76.57
Taylor 15495 75.33
Langlade 15445 79.00
Green Lake 14145 74.58
Richland 13590 76.58
Sawyer 13085 79.38
Crawford 12920 78.37
Washburn 12540 79.87
Lafayette 12415 73.75
Burnett 12400 80.86
Ashland 12325 77.06
Bayfield 12175 80.90
Marquette 11970 79.06
Price 11290 81.81
Rusk 11200 78.02
Buffalo 10360 77.78
Forest 7195 78.63
Pepin 5685 77.14
Iron 4955 83.91
Florence 3695 82.57
Menominee 2980 66.97