| Place Name | Johnson City |
| Place Type | City |
| ZIP Code(s) | 78636 |
| County | Blanco County |
| Area Code(s) | 830 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 1,746 |
| Population Growth Rate (2010-19) | -1.75% |
| Majority Ethnicity | White 69.11% |
| US Congressional District(s) | Texas 21st |
| State House Districts | 45 |
| State Senate Districts | 24 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 69.11% |
| African American | 0.12% |
| Hispanic | 0% |
| Asian | 0.47% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 30.31% |