Ranking of Wisconsin Counties By Population Aged 25 years and above with an Educational attainment of High School Graduate or Equivalent in 2021 (ACS-5Yrs)

Updated on September 3, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the population of Wisconsin (aged 25 years and above) who had an educational attainment of High School Graduate or Equivalent was 1,209,751. Among all Wisconsin counties, Milwaukee County had the highest population (aged 25 years and above) with an educational attainment of High School Graduate or Equivalent (178,071), followed by Dane County (64,956), and Waukesha County (59,902).

The chart below shows the top 10 Wisconsin counties, and the table below shows the ranking of all Wisconsin counties.

You can see similar information for other educational attainments.

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

Ranking of Wisconsin Counties By Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
Milwaukee County
Dane County
Waukesha County
Brown County
Racine County
Outagamie County
Rock County
Winnebago County
Kenosha County
Marathon County
Ranking of Wisconsin Counties By Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
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Rank County Number of People
1 Milwaukee County 178071
2 Dane County 64956
3 Waukesha County 59902
4 Brown County 52402
5 Racine County 41240
6 Outagamie County 39515
7 Rock County 38340
8 Winnebago County 37563
9 Kenosha County 32250
10 Marathon County 31571
11 Washington County 28273
12 Sheboygan County 27812
13 Dodge County 26216
14 Fond du Lac County 26132
15 Walworth County 21520
16 Manitowoc County 21097
17 Wood County 20444
18 La Crosse County 19758
19 Jefferson County 18834
20 Eau Claire County 17634
21 Waupaca County 16189
22 St. Croix County 15958
23 Chippewa County 15730
24 Sauk County 15128
25 Portage County 14425
26 Columbia County 13564
27 Ozaukee County 13252
28 Shawano County 12741
29 Marinette County 11975
30 Oconto County 11812
31 Barron County 11797
32 Polk County 11732
33 Calumet County 11389
34 Monroe County 11189
35 Grant County 11023
36 Douglas County 9191
37 Green County 9081
38 Oneida County 9079
39 Dunn County 9044
40 Lincoln County 8768
41 Clark County 8521
42 Pierce County 8272
43 Juneau County 7957
44 Trempealeau County 7833
45 Waushara County 7752
46 Vernon County 7636
47 Adams County 6783
48 Door County 6462
49 Jackson County 6286
50 Taylor County 6060
51 Langlade County 5855
52 Iowa County 5775
53 Kewaunee County 5753
54 Vilas County 5697
55 Green Lake County 5175
56 Marquette County 5065
57 Richland County 5011
58 Burnett County 4783
59 Crawford County 4745
60 Lafayette County 4581
61 Sawyer County 4526
62 Price County 4375
63 Washburn County 4278
64 Rusk County 4258
65 Ashland County 4142
66 Buffalo County 3833
67 Bayfield County 3359
68 Forest County 2605
69 Pepin County 1928
70 Iron County 1594
71 Florence County 1257
72 Menominee County 997