| Place Name | Oconomowoc |
| Place Type | City |
| ZIP Code(s) | 53066 |
| County | Waukesha County |
| Area Code(s) | 262 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 15,667 |
| Population Growth Rate (2010-19) | 15.51% |
| Majority Ethnicity | White 94.92% |
| Metro/Micro Stats Area | Milwaukee-Waukesha, WI |
| US Congressional District(s) | Wisconsin 5th |
| State Assembly Districts | 38 |
| State Senate Districts | 13 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 94.92% |
| African American | 1.85% |
| Hispanic | 0.25% |
| Asian | 0.36% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.62% |