| Place Name | Rock Port |
| Place Type | City |
| ZIP Code(s) | 64482 |
| County | Atchison County |
| Area Code(s) | 660 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 1,386 |
| Population Growth Rate (2010-19) | -3.03% |
| Majority Ethnicity | White 95.76% |
| US Congressional District(s) | Missouri 6th |
| State House Districts | 1 |
| State Senate Districts | 12 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 95.76% |
| African American | 0.54% |
| Hispanic | 0.93% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.78% |