| Place Name | Hartman |
| Place Type | Town |
| ZIP Code(s) | 81047 |
| County | Prowers County |
| Area Code(s) | 719 |
| Timezone | Mountain Daylight Time (MDT) |
| Population (2022) | 56 |
| Population Growth Rate (2010-19) | -30.86% |
| Majority Ethnicity | White 84.21% |
| US Congressional District(s) | Colorado 4th |
| State House Districts | 64 |
| State Senate Districts | 35 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 84.21% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 15.79% |