| Place Name | Arrow Rock |
| Place Type | Town |
| ZIP Code(s) | 65320 |
| County | Saline County |
| Area Code(s) | 660 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 42 |
| Population Growth Rate (2010-19) | 7.14% |
| Majority Ethnicity | White 97.5% |
| Metro/Micro Stats Area | Marshall, MO |
| US Congressional District(s) | Missouri 5th |
| State House Districts | 48 |
| State Senate Districts | 21 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 97.5% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.5% |