Fitchburg Flag

Fitchburg

County Seat:
No
Area (mi²):
27.824
State:
Massachusetts

Fitchburg is a city located in Worcester County, Massachusetts. Fitchburg has a 2026 population of 42,145. Fitchburg is currently growing at a rate of 0.73% annually and its population has increased by 1.14% since the most recent census, which recorded a population of 41,672 in 2020.

42.1K
Total Population
1,515
Density (mi²)
305 0.73%
Growth

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)