Wisconsin Citizen Population By County in 2020 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2020, the citizen population for Wisconsin was 5,653,295 and represented 97.35% of the total Wisconsin population.

Among all Wisconsin counties, Milwaukee had the highest citizen population (899.32K), followed by Dane (515.51K), and Waukesha (393.29K).

In terms of percentages, Florence had the highest percentage of its population being citizens (100.00%), followed by Menominee (99.89%), and Oconto (99.71%).

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

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

You may also be interested in:
Wisconsin Citizen Voting-age Population By County in 2020

Data Source: US Census - ACS 5-Year (CVAP).

See this for other years:

Wisconsin Citizen Population By County in 2020

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County	Citizen Population	% of County Population
Milwaukee	899320	94.75
Dane	515510	95.03
Waukesha	393290	97.68
Brown	253520	96.56
Racine	190845	97.44
Outagamie	183580	98.26
Winnebago	168340	98.49
Kenosha	162540	96.18
Rock	158340	97.42
Washington	134180	99.00
Marathon	133405	98.47
La Crosse	117155	99.14
Sheboygan	112350	97.57
Eau Claire	102830	98.75
Fond du Lac	100370	97.77
Walworth	100250	96.96
St. Croix	88875	99.08
Ozaukee	87585	98.21
Dodge	86510	98.79
Jefferson	83190	98.06
Manitowoc	77810	98.53
Wood	72015	98.80
Portage	69220	97.74
Chippewa	63805	99.42
Sauk	62805	97.90
Columbia	56530	98.61
Grant	51075	99.04
Waupaca	50415	98.86
Calumet	49550	99.09
Monroe	45560	98.71
Barron	44585	98.68
Dunn	44435	98.68
Polk	43335	99.51
Douglas	42990	98.84
Pierce	41875	98.91
Shawano	40615	99.51
Marinette	40090	99.45
Oconto	37760	99.71
Green	36335	98.76
Oneida	35310	99.52
Clark	34025	98.14
Vernon	30540	99.29
Trempealeau	28645	97.02
Lincoln	27535	99.46
Door	27210	98.52
Juneau	26370	99.12
Waushara	24000	98.95
Iowa	23470	99.32
Vilas	21820	99.52
Jackson	20305	98.78
Taylor	20120	99.02
Kewaunee	20065	98.36
Adams	19975	98.84
Langlade	18980	99.04
Green Lake	18620	99.02
Richland	17160	98.56
Sawyer	16400	99.55
Lafayette	16365	98.11
Crawford	16045	99.32
Washburn	15620	99.33
Ashland	15450	99.52
Marquette	15305	99.51
Burnett	15300	99.58
Bayfield	15020	99.54
Rusk	14015	99.57
Price	13195	98.84
Buffalo	12960	99.05
Forest	8960	99.50
Pepin	7200	99.17
Iron	5655	99.56
Menominee	4560	99.89
Florence	4310	100.00