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 and multiracial populations.

Population by Race

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%

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