Billerica

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

Billerica is located in Middlesex County, Massachusetts. Billerica has a 2025 population of 41,787. Billerica is currently growing at a rate of 0.2% annually but its population has decreased by -0.12% since the most recent census, which recorded a population of 41,836 in 2020.

The average household income in Billerica is $149,761 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.

Demographics

The racial composition of Billerica includes 78.1% White, 8.46% Asian, 4.7% Black or African American, 3.15% other race, and smaller percentages for Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	32,568	78.1%
Asian	3,527	8.46%
Two or more races	2,326	5.58%
Black or African American	1,959	4.7%
Other race	1,312	3.15%
Native Hawaiian or Pacific Islander	8	0.02%

Billerica Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Billerica's average per capita income is $70,976. Household income levels show a median of $139,706. The poverty rate stands at 4.47%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$162,464	-
Families	$150,823	$165,770
Households	$139,706	$149,761
Non Families	$90,168	$100,286

$70,976

Average Income

$139,706

Median Household Income

4.47%

Poverty Rate