| Place Name | Guilford Center |
| Place Type | Census Designated Place |
| ZIP Code(s) | 06437 |
| County | New Haven County |
| Area Code(s) | 203,475 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 2,477 |
| Population Growth Rate (2010-19) | -0.42% |
| Majority Ethnicity | White 86.02% |
| Metro/Micro Stats Area | New Haven-Milford, CT |
| US Congressional District(s) | Connecticut 3rd |
| State House Districts | 98 |
| State Senate Districts | 12 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 86.02% |
| African American | 2.78% |
| Hispanic | 0% |
| Asian | 3.23% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 7.97% |