
Littleton
- County:
- Middlesex County
- County Seat:
- No
- Area (mi²):
- 16.516
- State:
- Massachusetts
Littleton is located in Middlesex County, Massachusetts. Littleton has a 2025 population of 10,369. Littleton is currently growing at a rate of 0.57% annually and its population has increased by 2.34% since the most recent census, which recorded a population of 10,132 in 2020.
The average household income in Littleton is $179,749 with a poverty rate of 5.98%. The median age in Littleton is 43.1 years: 41.4 years for males, and 43.8 years for females.