Arlington, WA Profile: Facts, Map & Data


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Arlington, Washington - Basic Facts

The City of Arlington had a population of 19,152 as of July 1, 2017. Arlington ranks in the upper quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in Washington. See peer rankings below.

The primary coordinate point for Arlington is located at latitude 48.1704 and longitude -122.1446 in Snohomish County. The formal boundaries for the City of Arlington (see map below) encompass a land area of 9.3 sq. miles and a water area of 0 sq. miles. Snohomish County is in the Pacific time zone (GMT -8). The elevation is 115 feet.

The City of Arlington (GNIS ID: 2409732) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Washington is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The City of Arlington is located within Arlington Division of Snohomish County.

Beneath the boundary map are tables with Arlington population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

Alternate Unofficial Names for Arlington: Haller, Haller City.

Neighborhood Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting certain data.


City of Arlington, WA Boundary Map

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Boundary Maps: Arlington Division | Snohomish County | Washington Counties

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Arlington, WA Data & Demographics (As of July 1, 2017)


Total Population 19,152
Daytime Population: Workers 11,740
Daytime Population: Residents 10,802
Total Daytime Population (TDP) 22,542
Ratio TDP/Total Population1 1.18
Population in Households 18,951
Population in Familes 15,449
Population in Group Qrtrs 201
Population Density2 2,060
Diversity Index3 44


Median Household Income $63,536
Average Household Income $78,270
Per Capita Income $28,877


Total Housing Units 7,305 (100%)
Owner Occupied HU 4,321 (59.2%)
Renter Occupied HU 2,639 (36.1%)
Vacant Housing Units 345 ( 4.7%)
Median Home Value $268,846
Average Home Value $281,133


Total Households 6,960
Average Household Size 2.72
Family Households 4,789
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.91% 1.1%
Households 0.81% 1.05%
Families 0.8% 1.01%
Median Household Income   2.55%
Per Capita Income   2.63%

Arlington, WA - Peer Comparisons by Rank and Percentile

The table below compares Arlington to the other 627 incorporated cities, towns and CDPs in Washington by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 76 88th
Population Density # 148 77th
Diversity Index # 238 62nd
Median Household Income # 232 63rd
Per Capita Income # 310 51st

Additional comparisons and rankings can be made with a VERY EASY TO USE Washington Census Data Comparison Tool.

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