
Lunenburg
- County:
- Worcester County
- County Seat:
- No
- Area (mi²):
- 3.797
- State:
- Massachusetts
Lunenburg is a CDP located in Worcester County, Massachusetts. Lunenburg has a 2025 population of 2,246. Lunenburg is currently growing at a rate of 1.45% annually and its population has increased by 40.99% since the most recent census, which recorded a population of 1,593 in 2020.
The average household income in Lunenburg is $137,279 with a poverty rate of 3.15%. The median age in Lunenburg is 41.3 years: 43.2 years for males, and 39.7 years for females.