| Place Name | Oskaloosa |
| Place Type | City |
| ZIP Code(s) | 52577 |
| County | Mahaska County |
| Area Code(s) | 641 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 11,494 |
| Population Growth Rate (2010-19) | 0.83% |
| Majority Ethnicity | White 91.13% |
| Metro/Micro Stats Area | Oskaloosa, IA |
| US Congressional District(s) | Iowa 2nd |
| State House Districts | 79 |
| State Senate Districts | 40 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 91.13% |
| African American | 2.83% |
| Hispanic | 0.13% |
| Asian | 2.18% |
| Native American | 0.25% |
| Hawaiin/Pacific Islander | 3.48% |