Arlington Heights

County:: Snohomish County
County Seat:: No
Area (mi²):: 8.4
State:: Washington

Arlington Heights is a CDP located in Snohomish County, Washington. Arlington Heights has a 2025 population of 3,332. Arlington Heights is currently growing at a rate of 2.15% annually and its population has increased by 35.28% since the most recent census, which recorded a population of 2,463 in 2020.

The average household income in Arlington Heights is $130,589 with a poverty rate of 2.88%. The median age in Arlington Heights is 50.5 years: 50.6 years for males, and 50.4 years for females.

Demographics

The racial composition of Arlington Heights includes 90.27% White, 3.04% Native American, and smaller percentages for Asian, other race, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Native American

Asian

Other race

Black or African American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	2,699	90.27%
Two or more races	127	4.25%
Native American	91	3.04%
Asian	48	1.61%
Other race	25	0.84%
Black or African American	0	0%
Native Hawaiian or Pacific Islander	0	0%

Arlington Heights Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Arlington Heights' average per capita income is $57,857. Household income levels show a median of $118,529. The poverty rate stands at 2.88%.

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
Families	$142,230	$163,211
Married Families	$142,196	-
Households	$118,529	$130,589
Non Families	-	$44,300

$57,857

Average Income

$118,529

Median Household Income

2.88%

Poverty Rate