| Place Name | Lynnfield |
| Place Type | Census Designated Place |
| ZIP Code(s) | 01940 |
| County | Essex County |
| Area Code(s) | 339,781 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 11,628 |
| Population Growth Rate (2010-19) | 12.11% |
| Majority Ethnicity | White 91.09% |
| Metro/Micro Stats Area | Boston-Cambridge-Newton, MA-NH |
| US Congressional District(s) | Massachusetts 6th |
| State House Districts | 20th Middlesex |
| State Senate Districts | Third Essex |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 91.09% |
| African American | 2.2% |
| Hispanic | 0% |
| Asian | 5.28% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.43% |