
Boxborough
- County:
- Middlesex County
- County Seat:
- No
- Area (mi²):
- 10.284
- State:
- Massachusetts
Boxborough is located in Middlesex County, Massachusetts. Boxborough has a 2025 population of 5,473. Boxborough is currently growing at a rate of 0.2% annually but its population has decreased by -0.38% since the most recent census, which recorded a population of 5,494 in 2020.
The average household income in Boxborough is $185,869 with a poverty rate of 3.6%. The median age in Boxborough is 42.8 years: 44.6 years for males, and 41.7 years for females.