Total Population in Waukesha County, WI

ACS 2024 5-Year Estimates

Total Population
411,762
Rank #181 of 3,222
94th percentile

How Waukesha County Compares

Waukesha County
411,762
Wisconsin Average
411,762
Rank #3 of 72 in state
National
330M
99.9% below

National Distribution

Where Waukesha County falls among all 3,222 U.S. counties for total population.

33 9,808,667

■ Waukesha County: 411,762

Ranking Context

Rank County Value
#178 St. Charles County, MO 414,535
#179 Lake County, FL 412,924
#180 Mobile County, AL 412,590
#181 Waukesha County, WI 411,762
#182 Orange County, NY 406,616
#183 Madison County, AL 405,718
#184 Genesee County, MI 403,305
View full ranking →

Total Population in Waukesha County, Wisconsin

Waukesha County, Wisconsin has a total population of 411,762, which ranks #181 of 3,222 out of 3,222 counties nationwide. This is 99.9% below the national value of 330M.

Within Wisconsin, Waukesha County ranks #3 of 72 out of 72 counties. This places it in the 94th percentile nationally.

Total population count from the American Community Survey. All data comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates for 2024.

About this data

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.