Billerica Flag

Billerica

County Seat:
No
Area (mi²):
25.574
State:
Massachusetts

Billerica is located in Middlesex County, Massachusetts. Billerica has a 2025 population of 42,978 . Billerica is currently growing at a rate of 2.35% annually and its population has increased by 2.71% since the most recent census, which recorded a population of 41,842 in 2020.

The median household income in Billerica is $139,706 with a poverty rate of 4.47%. The median age in Billerica is 43.3 years: 42.4 years for males, and 43.9 years for females. For every 100 females there are 99.4 males.

43K
Total Population
1,681
Density (mi²)
987 2.35%
Growth

Billerica Population

Demographics

Economics and Income Statistics

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)