| Name | Middlesex County |
| State | Massachusetts |
| FIPS Code | 25017 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 1,507,558 |
| Population Growth Rate(2000-2022) | 8.58% |
| Majority Ethnicity | White 72.74% |
| Public School Majority Ethnicity | White 62% |
| Partisan Voting Index | Strongly Democratic:+22 |
| Unemployment Rate | 3.0% |
| Race/Ethnicy | Percentage of Population (2018) |
|---|---|
| White | 72.74% |
| African American | 5.16% |
| Hispanic | 8.6% |
| Asian | 13.28% |
| Native American | 0.17% |
| Hawaiin/Pacific Islander | 0.05% |
| Race/Ethnicy | Percentage of Public School Students (2018) |
|---|---|
| White | 61.8% |
| African American | 6.7% |
| Hispanic | 14.23% |
| Asian | 12.9% |
| Native American | 0.17% |
| Hawaiin/Pacific Islander | 0.07% |