
Middleton
- County:
- Essex County
- County Seat:
- No
- Area (mi²):
- 13.447
- State:
- Massachusetts
Middleton is located in Essex County, Massachusetts. Middleton has a 2025 population of 9,871. Middleton is currently growing at a rate of 0.11% annually and its population has increased by 2.61% since the most recent census, which recorded a population of 9,620 in 2020.
The average household income in Middleton is $197,473 with a poverty rate of 3.34%. The median age in Middleton is 44.5 years: 39.7 years for males, and 52.2 years for females.