| Place Name | Southbury |
| Place Type | Town |
| ZIP Code(s) | 06488 |
| County | New Haven County |
| Area Code(s) | 203,475 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2021) | 19,866 |
| Majority Ethnicity | White 88.3% |
| Metro/Micro Stats Area | New Haven-Milford, CT |
| US Congressional District(s) | Connecticut 5th |
| State House Districts | 69,131 |
| State Senate Districts | 32 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 88.3% |
| African American | 2.25% |
| Hispanic | 0.01% |
| Asian | 3.1% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 6.33% |