| Name | Waukesha County |
| State | Wisconsin |
| FIPS Code | 55133 |
| Timezone | Central Daylight Time (CDT) |
| Population (2020) | 406,978 |
| Population Growth Rate(2000-2020) | 4.4% |
| Majority Ethnicity | White 90.24% |
| Public School Majority Ethnicity | White 79% |
| Partisan Voting Index | Republican:+10 |
| Unemployment Rate | 3.4% |
| Race/Ethnicy | Percentage of Population (2018) |
|---|---|
| White | 90.24% |
| African American | 1.57% |
| Hispanic | 4.53% |
| Asian | 3.39% |
| Native American | 0.24% |
| Hawaiin/Pacific Islander | 0.03% |
| Race/Ethnicy | Percentage of Public School Students (2018) |
|---|---|
| White | 79.15% |
| African American | 2.77% |
| Hispanic | 9.09% |
| Asian | 5.24% |
| Native American | 0.23% |
| Hawaiin/Pacific Islander | 0.09% |