| Place Name | Knoxville |
| Place Type | City |
| ZIP Code(s) | 50138 |
| County | Marion County |
| Area Code(s) | 641 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 7,353 |
| Population Growth Rate (2010-19) | 3.86% |
| Majority Ethnicity | White 96.51% |
| Metro/Micro Stats Area | Pella, IA |
| US Congressional District(s) | Iowa 2nd |
| State House Districts | 28 |
| State Senate Districts | 14 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 96.51% |
| African American | 0.43% |
| Hispanic | 0% |
| Asian | 0.88% |
| Native American | 0.12% |
| Hawaiin/Pacific Islander | 2.07% |