Waukesha County, Wisconsin Facts
| Facts | |
| State | Wisconsin |
| Land area | 549.6 square miles |
| Population Density | 709.4 persons per square mile. |
| Population | |
| Population (2013) | 393,843 |
| Population change | 1% | Under 5 years of age | 5.2% |
| Under 18 | 22.7% |
| 65 and over | 15.9% |
| Females | 50.9% |
| White | 93.9 |
| Hispanic or Latino of any race | 4.5 |
| Asian | 3.1% |
| Two or more races | 1.2% |
| Black or African American | 1.4% |
| Native American | 0.3% |
| Pacific Islander | 0.1% |
| Had graduated from high school | 96% |
| Had a bachelor’s degree or higher | 40.2% |
| Veterans | 26,579 |
| Households and Housing | |
| Households | 153,422 |
| Persons per household | 2.5 |
| Living in the same house for one year or more | 89.2% |
| Median household income | $75,850 |
| The per capita income | $37,577 |
| Live below the poverty line. | 5.4% |
| housing units | 161,677 |
| Multi-unit structures | 23% |
| The median value of owner-occupied housing | $253,800 |
| Residents owning their homes. | 76.9% |
| Business Facts | |
| Total number of firms | 36,589 |
| Women-owned firms | 24.7% |
| Asian-owned firms | 2.2% |
| Hispanic-owned firms | 1% |
| Black-owned firms | 0.8% |
| Native American-owned firms | 0.3% |
| Pacific Islander-owned firms | 0% |
| Retail sales | $5,955,006 |
| Retail sales per capita | $15,712 |
| Manufacturers shipments | $15,663,482 |
| Merchant wholesaler sales | $6,882,092 |