| Place Name | Hillsboro |
| Place Type | City |
| ZIP Code(s) | 63050 |
| County | Jefferson County |
| Area Code(s) | 636 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 2,820 |
| Population Growth Rate (2010-19) | 23.11% |
| Majority Ethnicity | White 92.81% |
| Metro/Micro Stats Area | St. Louis, MO-IL |
| US Congressional District(s) | Missouri 8th |
| State House Districts | 118 |
| State Senate Districts | 3 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 92.81% |
| African American | 2.73% |
| Hispanic | 0.27% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 4.19% |