| Place Name | Wellesley |
| Place Type | Census Designated Place |
| ZIP Code(s) | 02482 |
| GEOID | 2574210 |
| County | Norfolk County Middlesex County |
| Area Code(s) | 339,781,617,857 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2021) | 29,365 |
| Population Growth Rate (2010-19) | 5.60% |
| Majority Ethnicity | White 78.49% |
| Metro/Micro Stats Area | Boston-Cambridge-Newton, MA-NH |
| US Congressional District(s) | Massachusetts 4th |
| State House Districts | 11th Middlesex,14th Norfolk |
| State Senate Districts | First Middlesex and Norfolk,Norfolk, Bristol and Middlesex |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 78.49% |
| African American | 2.94% |
| Hispanic | 0.11% |
| Asian | 13.43% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 5.02% |