| Place Name | Derby |
| Place Type | City |
| ZIP Code(s) | 06418 |
| County | New Haven County |
| Area Code(s) | 203,475 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 12,858 |
| Population Growth Rate (2010-19) | -4.47% |
| Majority Ethnicity | White 71.36% |
| Metro/Micro Stats Area | New Haven-Milford, CT |
| US Congressional District(s) | Connecticut 3rd |
| State House Districts | 104,105,114 |
| State Senate Districts | 17 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 71.36% |
| African American | 10.49% |
| Hispanic | 0.11% |
| Asian | 1.64% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 16.41% |