Arlington Flag

Arlington

County Seat:
No
Area (mi²):
9.97
State:
Washington

Arlington is a city located in Snohomish County, Washington. Arlington has a 2026 population of 22,916. Arlington is currently growing at a rate of 2.13% annually and its population has increased by 14.32% since the most recent census, which recorded a population of 20,045 in 2020.

The median household income in Arlington is $88,231 with a poverty rate of 12.68%. The median age in Arlington is 36.6 years: 35.5 years for males, and 38.2 years for females. For every 100 females there are 102.1 males.

22.9K
Total Population
2,299
Density (mi²)
479 2.13%
Growth

Arlington Population

Arlington Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202622,9164792.13%
202522,4374782.18%
202421,9595432.54%
202321,4161890.89%
202221,2274412.12%
202120,7868754.39%
202020,045-477-2.32%
201920,5227473.78%
201819,7755372.79%
201719,2381560.82%
201619,0822201.17%
201518,8621170.62%
201418,7451440.77%
201318,6013221.76%
201218,2792361.31%
201118,043560.31%
201017,987610.34%
200011,7137,676190.14%
19904,03775523%
19803,28200%

Median Age

Overall: 36.6 years
Female: 38.2 years
Male: 35.5 years

Arlington Adults

There are 15,803 adults, (2,913 of whom are seniors) in Arlington.

Sex Ratio

Female: 10,440 (49.5%)
Male: 10,655 (50.5%)

Demographics

The racial composition of Arlington includes 73.8% White, 7.58% other race, 5.38% Asian, and smaller percentages for Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White15,56973.8%
Two or more races2,41911.47%
Other race1,5987.58%
Asian1,1355.38%
Black or African American2961.4%
Native American400.19%
Native Hawaiian or Pacific Islander380.18%
Race
Population ↓
Percentage (of total)
Other race1,4807.02%
Two or more races1,3796.54%
White5092.41%
Race
Population ↓
Percentage (of total)
White15,06071.39%
Asian1,1355.38%
Two or more races1,0404.93%
Black or African American2961.4%
Other race1180.56%
Native American400.19%
Native Hawaiian or Pacific Islander380.18%

Arlington Marital Status

Economics and Income Statistics

Arlington 's average per capita income is $55,762. Household income levels show a median of $88,231. The poverty rate stands at 12.68%.

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$131,623-
Families$104,231$139,367
Households$88,231$117,107
Non Families$52,305$67,887

$55,762

Average Income

$88,231

Median Household Income

12.68%

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)