Waukesha County Flag

Waukesha County

State:
Wisconsin
County Seat:
Waukesha

Waukesha County's estimated 2025 population is 417,227 with a growth rate of 0.56% in the past year according to the most recent United States census data. Waukesha County is the 3rd largest county in Wisconsin. The 2010 population was 390,051 and has seen a growth of 6.97% since that time.

417,227
Total Population
759
Population Density (mi²)
3
Population Rank (State)
2.3K 0.56%
Annual Population Growth

Waukesha County Population

Demographics

Economics and Income Statistics