| Place Name | New Johnsonville |
| Place Type | City |
| ZIP Code(s) | 37134 |
| County | Humphreys County |
| Area Code(s) | 931 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 1,958 |
| Population Growth Rate (2010-19) | -7.53% |
| Majority Ethnicity | White 95.66% |
| US Congressional District(s) | Tennessee 7th |
| State House Districts | 74 |
| State Senate Districts | 25 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 95.66% |
| African American | 0.65% |
| Hispanic | 1.63% |
| Asian | 0.16% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.9% |