| Place Name | Chelsea |
| Place Type | City |
| ZIP Code(s) | 02150 |
| County | Suffolk County |
| Area Code(s) | 617,857 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 35,527 |
| Population Growth Rate (2010-19) | 15.95% |
| Majority Ethnicity | Hispanic 0.34% |
| Metro/Micro Stats Area | Boston-Cambridge-Newton, MA-NH |
| US Congressional District(s) | Massachusetts 7th |
| State House Districts | 2nd Suffolk |
| State Senate Districts | Middlesex and Suffolk |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 32.89% |
| African American | 6.88% |
| Hispanic | 0.34% |
| Asian | 3.33% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 56.56% |