Arlington Flag

Arlington

County Seat:
No
Area (mi²):
5.142
State:
Massachusetts

Arlington is a CDP located in Middlesex County, Massachusetts. Arlington has a 2025 population of 46,671. Arlington is currently growing at a rate of 0.55% annually and its population has increased by 2.85% since the most recent census, which recorded a population of 45,379 in 2020.

The average household income in Arlington is $190,932 with a poverty rate of 5.4%.The median age in Arlington is 41.3 years: 39.7 years for males, and 42.8 years for females.

46.7K
Total Population
9,076
Density (mi²)
255 0.55%
Growth

Arlington Population

Arlington Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Arlington includes 76.47% White, 12.1% Asian, and smaller percentages for Black or African American, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White35,18676.47%
Asian5,57012.1%
Two or more races3,2507.06%
Black or African American1,1632.53%
Other race7741.68%
Native American580.13%
Native Hawaiian or Pacific Islander140.03%

Arlington Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Arlington's average per capita income is $92,461. Household income levels show a median of $141,440. The poverty rate stands at 5.4%.

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$215,863-
Families$188,629$241,587
Households$141,440$190,932
Non Families$82,411$113,473

$92,461

Average Income

$141,440

Median Household Income

5.4%

Poverty Rate

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)