US Census Data
Population
20,599
+5.7%’19–’23
Median household income
$84,919
+2.8%’19–’23
Median home value
$492,600
+52.4%’19–’23

Located in Snohomish County, Washington, Arlington is a community with a population of 20,599. At $84,919, its median household income sits below Snohomish County's $107,982.

Between 2019 and 2023, Arlington's population grew 5.7% from 19,483 to 20,599, while its median home value rose 52.4% from $323,200 to $492,600.

62.2% of homes are single-family detached houses. The typical home was built around 1995.

Demographics

ACS 2019–2023
Population
20,599
Median age
37.1 yrs
Median household income
$84,919
Median home value
$492,600
Median gross rent
$1,764
Housing units
8,126
Homeownership rate
63.4%
Bachelor's degree or higher
20.3%
Unemployment rate
3.6%

Trends

ACS 5-year · 2019–2023
Population
19,48320,599
Median household income
$82,626$84,919
Median home value
$323,200$492,600
Median gross rent
$1,341$1,764
YearPopulationMedian household incomeMedian home valueMedian gross rent
201919,483$82,626$323,200$1,341
202019,947$77,023$345,800$1,412
202119,832$87,708$372,600$1,549
202220,263$89,587$448,500$1,709
202320,599$84,919$492,600$1,764

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

CountShare
Under 51,2636.1%
5 to 173,91619.0%
18 to 241,8959.2%
25 to 342,30511.2%
35 to 443,15215.3%
45 to 542,86413.9%
55 to 642,33811.4%
65 to 741,5927.7%
75 and over1,2746.2%

Race & ethnicity

CountShare
White (non-Hispanic)15,00072.8%
Black or African American2741.3%
American Indian & Alaska Native1120.5%
Asian1,1255.5%
Native Hawaiian & Pacific Islander570.3%
Some other race880.4%
Two or more races8254.0%
Hispanic or Latino (any race)3,11815.1%

Educational attainment (age 25+)

CountShare
No high school diploma1,2259.1%
High school graduate4,20931.1%
Some college or associate's5,34439.5%
Bachelor's degree1,89814.0%
Graduate or professional degree8496.3%

Commute to work

Mean travel time to work
30 min

How workers get to work

CountShare
Drove alone7,21273.7%
Carpooled1,21012.4%
Public transit800.8%
Walked1451.5%
Bicycle160.2%
Worked from home1,08811.1%
Other means300.3%

Travel time

CountShare
Under 15 min1,91722.1%
15 to 29 min2,32426.7%
30 to 44 min2,51028.9%
45 to 59 min90710.4%
60+ min1,03511.9%

Households

Average household size
2.71
Poverty rate
11.0% (2,246 of 20,511)
CountShare
Family households5,06466.9%
Nonfamily households2,50133.1%

Housing

Median year structure built
1995

Occupancy

CountShare
Occupied7,56593.1%
Vacant5616.9%

Tenure (of occupied units)

CountShare
Owner-occupied4,79563.4%
Renter-occupied2,77036.6%

Units in structure

CountShare
1-unit, detached5,05362.2%
1-unit, attached6037.4%
2 to 4 units4675.7%
5 to 19 units93211.5%
20 or more units6898.5%
Mobile home & other3824.7%

Geography

Place GEOID
5302585
Type (LSAD)
25
Land area
9.97 sq mi
Water area
0.01 sq mi
Center point
48.1704, -122.1446

Compare with nearby cities

5

Washington rankings

21

Other places in Snohomish County

65