
Ashby
- County:
- Middlesex County
- County Seat:
- No
- Area (mi²):
- 23.664
- State:
- Massachusetts
Ashby is located in Middlesex County, Massachusetts. Ashby has a 2025 population of 3,226. Ashby is currently growing at a rate of 0.44% annually and its population has increased by 1.26% since the most recent census, which recorded a population of 3,186 in 2020.
The average household income in Ashby is $138,840 with a poverty rate of 2.79%. The median age in Ashby is 50.2 years: 50.3 years for males, and 50.1 years for females.