About Waukesha County
Waukesha County is a city located in United States, in the Wisconsin region. According to the latest available data (2026), the population of Waukesha County is approximately 406,978 residents, making it the #185 most populous city in United States.
Globally, Waukesha County ranks #4,542 among the world's most populated cities.
Waukesha County City Statistics
| City | Waukesha County |
| Country |  United States |
| Population | 406,978 |
| Global Rank | #4,542 |
| Rank in United States | #185 of 867 cities |
| City Category | city |
| Region | Wisconsin |
| Latitude | 43.02 |
| Longitude | -88.31 |
| Data Year | 2026 |
Where is Waukesha County Located?
Waukesha County is located in United States, in the Wisconsin region, at coordinates 43.02° latitude and -88.31° longitude. Located in the mid-latitudes, Waukesha County experiences distinct four-season weather patterns.
Nearby Cities
Other Cities in United States
Largest Cities in United States
| # | City | Population |
|---|---|---|
| 1 | Harris County | 4,731,145 |
| 2 | Los Angeles | 3,898,747 |
| 3 | San Diego County | 3,298,634 |
| 4 | Brooklyn | 2,736,074 |
| 5 | Miami-Dade County | 2,701,767 |
Frequently Asked Questions
What is the population of Waukesha County?
The population of Waukesha County is approximately 406,978 residents according to the latest available data (2026).
Where is Waukesha County located?
Waukesha County is located in United States at approximately 43.02° latitude and -88.31° longitude.
Is Waukesha County one of the largest cities in United States?
With a population of 406,978, Waukesha County is one of the notable urban areas in United States. It ranks #185 out of 867 cities in the country.
