
Attleboro
- County:
- Bristol County
- County Seat:
- No
- Area (mi²):
- 26.779
- State:
- Massachusetts
Attleboro is a city located in Bristol County, Massachusetts. Attleboro has a 2025 population of 46,773. Attleboro is currently growing at a rate of 0.13% annually and its population has increased by 0.64% since the most recent census, which recorded a population of 46,475 in 2020.
The average household income in Attleboro is $112,111 with a poverty rate of 9.21%. The median age in Attleboro is 39.4 years: 38.9 years for males, and 39.9 years for females.