| Place Name | Jamestown |
| Place Type | Town |
| ZIP Code(s) | 65046 |
| County | Moniteau County |
| Area Code(s) | 660 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 446 |
| Population Growth Rate (2010-19) | -14.51% |
| Majority Ethnicity | White 98.57% |
| Metro/Micro Stats Area | Jefferson City, MO |
| US Congressional District(s) | Missouri 4th |
| State House Districts | 50 |
| State Senate Districts | 6 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 98.57% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.43% |