| Place Name | Niangua |
| Place Type | City |
| ZIP Code(s) | 65713 |
| County | Webster County |
| Area Code(s) | 417 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 462 |
| Population Growth Rate (2010-19) | -3.70% |
| Majority Ethnicity | White 93.37% |
| Metro/Micro Stats Area | Springfield, MO |
| US Congressional District(s) | Missouri 4th |
| State House Districts | 141 |
| State Senate Districts | 33 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 93.37% |
| African American | 0% |
| Hispanic | 0.4% |
| Asian | 0.4% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 5.82% |