| Place Name | Hardtner |
| Place Type | City |
| ZIP Code(s) | 67057 |
| County | Barber County |
| Area Code(s) | 620 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 181 |
| Population Growth Rate (2010-19) | -2.91% |
| Majority Ethnicity | White 86.54% |
| US Congressional District(s) | Kansas 4th |
| State House Districts | 116 |
| State Senate Districts | 32 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 86.54% |
| African American | 0% |
| Hispanic | 9.62% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 3.85% |