Data / Rankings / Median age / Counties in Wisconsin

Counties in Wisconsin by median age, 2024

Iron County had the highest median age of 72 counties in 2024, at 56.1 years. Menominee County had the lowest, at 34.3 years. The median was 43.8 years and the figure for Wisconsin was 40.2 years. Source: the U.S. Census Bureau.

Highest56.1Iron County
Lowest34.3Menominee County
Median43.872 counties
Wisconsin40.2History

Top 40 counties, 2024

CSVChart (SVG)

Iron CountyIron County: 56.1 years56.1Burnett CountyBurnett County: 56 years56Adams CountyAdams County: 55.7 years55.7Vilas CountyVilas County: 55.7 years55.7Florence CountyFlorence County: 55.3 years55.3Bayfield CountyBayfield County: 54.6 years54.6Door CountyDoor County: 54.3 years54.3Sawyer CountySawyer County: 52.8 years52.8Oneida CountyOneida County: 52.7 years52.7Washburn CountyWashburn County: 52.7 years52.7Price CountyPrice County: 52.6 years52.6Marquette CountyMarquette County: 50.7 years50.7Waushara CountyWaushara County: 50.2 years50.2Forest CountyForest County: 49.3 years49.3Lincoln CountyLincoln County: 49.3 years49.3Rusk CountyRusk County: 49.2 years49.2Langlade CountyLanglade County: 48.7 years48.7Marinette CountyMarinette County: 48.7 years48.7Oconto CountyOconto County: 47.5 years47.5Crawford CountyCrawford County: 47.4 years47.4Polk CountyPolk County: 46.7 years46.7Richland CountyRichland County: 46.6 years46.6Buffalo CountyBuffalo County: 46.5 years46.5Pepin CountyPepin County: 46 years46Juneau CountyJuneau County: 45.8 years45.8Green Lake CountyGreen Lake County: 45.6 years45.6Shawano CountyShawano County: 45.6 years45.6Waupaca CountyWaupaca County: 45.3 years45.3Manitowoc CountyManitowoc County: 45.1 years45.1Barron CountyBarron County: 44.9 years44.9Kewaunee CountyKewaunee County: 44.6 years44.6Taylor CountyTaylor County: 44.2 years44.2Iowa CountyIowa County: 44 years44Ozaukee CountyOzaukee County: 43.9 years43.9Washington CountyWashington County: 43.8 years43.8Wood CountyWood County: 43.8 years43.8Columbia CountyColumbia County: 43.7 years43.7Green CountyGreen County: 43.6 years43.6Waukesha CountyWaukesha County: 43.5 years43.5Jackson CountyJackson County: 43.4 years43.4
years. Source: U.S. Census Bureau. Retrieved 2026-10-08.

Full ranking

RankCounties2024
years		Change on 2023
1Iron County56.1+0.2
2Burnett County56+0.8
3Adams County55.7+0.2
3Vilas County55.7+0.2
5Florence County55.3+0.5
6Bayfield County54.6+0.5
7Door County54.3+0.2
8Sawyer County52.8+0.6
9Oneida County52.7+0.5
9Washburn County52.7+0.3
11Price County52.6+0.1
12Marquette County50.7+0.2
13Waushara County50.2+0.3
14Forest County49.3+0.2
14Lincoln County49.3+0.1
16Rusk County49.2+0.1
17Langlade County48.7-0.3
17Marinette County48.7-0.1
19Oconto County47.5+0.1
20Crawford County47.4+0.1
21Polk County46.7+0.2
22Richland County46.6+0.2
23Buffalo County46.5+0.1
24Pepin County46-0.3
25Juneau County45.8-0.1
26Green Lake County45.6+0.1
26Shawano County45.6+0.1
28Waupaca County45.3-0.1
29Manitowoc County45.1+0.1
30Barron County44.9+0.1
31Kewaunee County44.6+0.2
32Taylor County44.2+0.1
33Iowa County44+0.3
34Ozaukee County43.9-0.1
35Washington County43.8+0.3
35Wood County43.8-0.1
37Columbia County43.7+0.4
38Green County43.6+0.5
39Waukesha County43.5+0.2
40Jackson County43.4+0.8
41Ashland County43.10
42Dodge County43+0.1
43Douglas County42.7-0.1
44Chippewa County42.2+0.5
45Fond du Lac County41.90
45Vernon County41.9+0.4
47Calumet County41.70
47Sheboygan County41.7-0.1
49Sauk County41.6+0.3
50Jefferson County41.5+0.2
51Walworth County41.4+0.3
52Marathon County41.3+0.1
53Lafayette County40.8-0.1
54Racine County40.50
55St. Croix County40.4+0.6
56Rock County40.3+0.2
57Trempealeau County39.9+0.1
58Monroe County39.7+0.1
59Kenosha County39.4+0.2
60Outagamie County38.9+0.2
61Pierce County38.8+0.4
62Winnebago County38.7+0.3
63Brown County38.2+0.3
64Portage County38-0.1
65La Crosse County37.5+0.4
66Grant County36.8-0.1
67Clark County36.7-0.3
68Dunn County36.1+0.3
69Eau Claire County35.80
70Dane County35.7+0.1
71Milwaukee County35.5+0.1
72Menominee County34.3+0.5

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/2024/table-based-SF/data/5YRData/acsdt5y2024-b01002.dat. Retrieved 2026-10-08.

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Questions

Which county has the highest median age?

Iron County, with 56.1 years in 2024, according to the U.S. Census Bureau.

Which county has the lowest median age?

Menominee County, with 34.3 years in 2024.

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