Share of the population by age and sex, five-year groups

Population of Wisconsin, 2010–2025 · click to pick a year
Estimates up to 2019 are built on the 2010 Census, those from 2020 on the 2020 Census. A line that steps up or down between 2019 and 2020 reflects this re-basing, not a sudden change in population.

Year

-5 -1   2021  +1 +5

5,882,128 people lived in Wisconsin on July 1, 2021: the 20th-largest population among the 50 states and the District of Columbia. The median age was 40.4 years (United States: 38.9); more residents are 65 or older (18.6%) than under 15 (17.7%): an ageing, top-heavy pyramid. There were 98.9 men for every 100 women. Since 2010 the population has grown by 3.4%. Source: U.S. Census Bureau, Population Estimates Program, Vintage 2025 estimates (resident population on July 1; public domain). Median age, shares, dependency ratios and rankings are calculated by PopulationPyramid.net from these estimates; the Census Bureau does not endorse this site.

Key indicators, 2021
Population
5,882,128
Rank by population
20th of 51
Median age
40.4
Men per 100 women
98.9
Under 15
17.7%
15–64
63.7%
65 and over
18.6%
Child dependency
27.8
Old-age dependency
29.3
Change since 2010
+3.4%
Dependency ratios count children under 15 or adults 65 and over per 100 residents aged 15 to 64.
Show the population by age group, 2021
AgeMenWomenTotalShare
0-4162,843155,742318,5855.4%
5-9178,002169,752347,7545.9%
10-14192,099182,720374,8196.4%
15-19194,115184,030378,1456.4%
20-24193,725187,663381,3886.5%
25-29181,510173,660355,1706.0%
30-34190,718185,906376,6246.4%
35-39190,074187,283377,3576.4%
40-44180,985176,710357,6956.1%
45-49164,362161,770326,1325.5%
50-54182,463181,938364,4016.2%
55-59202,100205,877407,9776.9%
60-64206,742213,031419,7737.1%
65-69178,211186,387364,5986.2%
70-74141,073152,586293,6595.0%
75-7986,523101,173187,6963.2%
80-8453,63470,381124,0152.1%
85+45,94680,394126,3402.1%
How Wisconsin compares with similar-sized states, 2021
RankStateResidentsRelative
17 Indiana 6,814,223
18 Maryland 6,176,035
19 Missouri 6,172,551
20 Wisconsin 5,882,128
21 Colorado 5,814,368
22 Minnesota 5,714,055
23 South Carolina 5,194,346
Frequently asked questions about Wisconsin's population
What is the population of Wisconsin?
Wisconsin had an estimated 5,882,128 residents on July 1, 2021, according to the U.S. Census Bureau, Population Estimates Program. That ranks 20th among the 51 states and the District of Columbia.
What is the median age in Wisconsin?
The median age in Wisconsin was 40.4 years in 2021, the 13th oldest of the 51 states and DC. That is 1.5 years older than the national median of 38.9.
How many people in Wisconsin are 65 or older?
About 1,096,308 residents of Wisconsin (18.6%) were 65 or older in 2021, against 17.7% under 15 and 63.7% aged 15 to 64.
What does the population pyramid of Wisconsin show?
In 2021, Wisconsin: more residents are 65 or older (18.6%) than under 15 (17.7%): an ageing, top-heavy pyramid. There were 98.9 men for every 100 women.
How fast is the population of Wisconsin changing?
The population of Wisconsin grew by 3.4% between 2010 and 2021, and by -0.3% in the last year.
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