Data / Rankings / Median age / Counties in Wisconsin

Counties in Wisconsin by median age

Iron County had the highest median age of 72 counties in 2023, at 55.9 years. Menominee County had the lowest, at 33.8 years. The median was 43.4 years and the figure for Wisconsin was 40.1 years. Source: the U.S. Census Bureau.

Highest55.9Iron County
Lowest33.8Menominee County
Median43.472 counties
Wisconsin40.1History

Top 40 counties, 2023

CSVChart (SVG)

Iron CountyIron County: 55.9 years55.9Adams CountyAdams County: 55.5 years55.5Vilas CountyVilas County: 55.5 years55.5Burnett CountyBurnett County: 55.2 years55.2Florence CountyFlorence County: 54.8 years54.8Bayfield CountyBayfield County: 54.1 years54.1Door CountyDoor County: 54.1 years54.1Price CountyPrice County: 52.5 years52.5Washburn CountyWashburn County: 52.4 years52.4Oneida CountyOneida County: 52.2 years52.2Sawyer CountySawyer County: 52.2 years52.2Marquette CountyMarquette County: 50.5 years50.5Waushara CountyWaushara County: 49.9 years49.9Lincoln CountyLincoln County: 49.2 years49.2Forest CountyForest County: 49.1 years49.1Rusk CountyRusk County: 49.1 years49.1Langlade CountyLanglade County: 49 years49Marinette CountyMarinette County: 48.8 years48.8Oconto CountyOconto County: 47.4 years47.4Crawford CountyCrawford County: 47.3 years47.3Polk CountyPolk County: 46.5 years46.5Buffalo CountyBuffalo County: 46.4 years46.4Richland CountyRichland County: 46.4 years46.4Pepin CountyPepin County: 46.3 years46.3Juneau CountyJuneau County: 45.9 years45.9Green Lake CountyGreen Lake County: 45.5 years45.5Shawano CountyShawano County: 45.5 years45.5Waupaca CountyWaupaca County: 45.4 years45.4Manitowoc CountyManitowoc County: 45 years45Barron CountyBarron County: 44.8 years44.8Kewaunee CountyKewaunee County: 44.4 years44.4Taylor CountyTaylor County: 44.1 years44.1Ozaukee CountyOzaukee County: 44 years44Wood CountyWood County: 43.9 years43.9Iowa CountyIowa County: 43.7 years43.7Washington CountyWashington County: 43.5 years43.5Columbia CountyColumbia County: 43.3 years43.3Waukesha CountyWaukesha County: 43.3 years43.3Ashland CountyAshland County: 43.1 years43.1Green CountyGreen County: 43.1 years43.1
years. Source: U.S. Census Bureau. Retrieved 2026-10-08.

Full ranking

RankCounties2023
years		Change on 2022
1Iron County55.9-0.2
2Adams County55.5+0.4
2Vilas County55.5+0.2
4Burnett County55.2+0.8
5Florence County54.8+0.7
6Bayfield County54.1+0.5
6Door County54.1+0.5
8Price County52.5+0.4
9Washburn County52.4+0.2
10Oneida County52.2+0.4
10Sawyer County52.2+0.8
12Marquette County50.5+0.1
13Waushara County49.90
14Lincoln County49.2+0.1
15Forest County49.1+0.4
15Rusk County49.1+0.1
17Langlade County49+0.4
18Marinette County48.80
19Oconto County47.4-0.1
20Crawford County47.3+0.1
21Polk County46.50
22Buffalo County46.40
22Richland County46.4-0.1
24Pepin County46.30
25Juneau County45.9+0.2
26Green Lake County45.5+0.2
26Shawano County45.5+0.1
28Waupaca County45.4+0.1
29Manitowoc County450
30Barron County44.8+0.2
31Kewaunee County44.40
32Taylor County44.1+0.1
33Ozaukee County44+0.2
34Wood County43.90
35Iowa County43.7+0.2
36Washington County43.5+0.1
37Columbia County43.3+0.5
37Waukesha County43.30
39Ashland County43.1+0.9
39Green County43.1+0.1
41Dodge County42.9+0.2
42Douglas County42.8+0.2
43Jackson County42.6+0.4
44Fond du Lac County41.90
45Sheboygan County41.8+0.3
46Calumet County41.70
46Chippewa County41.7+0.3
48Vernon County41.5+0.2
49Jefferson County41.3-0.2
49Sauk County41.3+0.2
51Marathon County41.2+0.2
52Walworth County41.1+0.4
53Lafayette County40.9-0.8
54Racine County40.5+0.3
55Rock County40.1+0.1
56St. Croix County39.8+0.1
56Trempealeau County39.8-1.1
58Monroe County39.6-0.1
59Kenosha County39.2+0.3
60Outagamie County38.7+0.2
61Pierce County38.4+0.7
61Winnebago County38.40
63Portage County38.1+0.3
64Brown County37.9+0.1
65La Crosse County37.1+0.5
66Clark County37-0.1
67Grant County36.9+0.1
68Dunn County35.8+0.4
68Eau Claire County35.8+0.3
70Dane County35.6+0.1
71Milwaukee County35.4+0.1
72Menominee County33.8+1.7

Other periods

About this ranking

Age that divides the resident population into two halves of equal size. Spain and the EU: on 1 January. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. American Community Survey 5-year estimates, table B01002: median age, total population. https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b01002.dat. Retrieved 2026-10-08.

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Questions

Which county has the highest median age?

Iron County, with 55.9 years in 2023, according to the U.S. Census Bureau.

Which county has the lowest median age?

Menominee County, with 33.8 years in 2023.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, American Community Survey 5-year estimates, table B01002: median age, total population. Retrieved 2026-10-08.

Median age: other rankings

Counties in Wisconsin: more rankings