| Place Name | Lexington |
| Place Type | Census Designated Place |
| ZIP Code(s) | 02420 02421 |
| County | Middlesex County |
| Area Code(s) | 339,781 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 31,527 |
| Population Growth Rate (2010-19) | 9.75% |
| Majority Ethnicity | White 63.32% |
| Metro/Micro Stats Area | Boston-Cambridge-Newton, MA-NH |
| US Congressional District(s) | Massachusetts 5th |
| State House Districts | 15th Middlesex |
| State Senate Districts | Fourth Middlesex,Third Middlesex |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 63.32% |
| African American | 1.2% |
| Hispanic | 0.02% |
| Asian | 33.13% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.32% |