Waukesha County, WI — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
409,040
Male
202,810
49.6%
Female
206,230
50.4%
Median Age
43.3 yrs
Avg Household Size
2.4
Foreign Born
5.3%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher34.2%
High School or Higher48.9%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
4.6%
Disability
0.0%
Non-English Home
2.0%
Married
48.8%
Waukesha County, WI has a population of 409,040 according to 2023 Census Bureau estimates. The median age is 43.3 years. The largest racial or ethnic group is White at 87.9% of the population. 34.2% of residents hold a bachelor's degree or higher. 5.3% of residents are foreign-born.