Federal Way, WA Profile: Facts, Map & Data


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Federal Way, Washington - Basic Facts

The City of Federal Way is the 9th largest city in Washington with a population of 97,701 as of July 1, 2017. Federal Way ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Washington. See peer rankings below.

The primary coordinate point for Federal Way is located at latitude 47.3088 and longitude -122.3361 in King County. The formal boundaries for the City of Federal Way (see map below) encompass a land area of 22.26 sq. miles and a water area of 0.2 sq. miles. King County is in the Pacific time zone (GMT -8). The elevation is 463 feet.

The City of Federal Way (GNIS ID: 2410494) 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 Federal Way is located within Federal Way-Auburn Division of King County.

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

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City of Federal Way, WA Boundary Map

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Boundary Maps: Federal Way-Auburn Division | King County | Washington Counties

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


Total Population 97,701
Daytime Population: Workers 38,763
Daytime Population: Residents 51,071
Total Daytime Population (TDP) 89,834
Ratio TDP/Total Population1 0.92
Population in Households 96,882
Population in Familes 77,903
Population in Group Qrtrs 819
Population Density2 4,388
Diversity Index3 78


Median Household Income $61,864
Average Household Income $80,286
Per Capita Income $29,751


Total Housing Units 37,589 (100%)
Owner Occupied HU 19,775 (52.6%)
Renter Occupied HU 16,040 (42.7%)
Vacant Housing Units 1,773 ( 4.7%)
Median Home Value $287,631
Average Home Value $331,715


Total Households 35,816
Average Household Size 2.7
Family Households 23,817
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 1.25% 1.23%
Households 1.06% 1.11%
Families 1.08% 1.13%
Median Household Income   2.31%
Per Capita Income   2.27%

Federal Way, WA - Peer Comparisons by Rank and Percentile

The table below compares Federal Way 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 # 9 99th
Population Density # 24 96th
Diversity Index # 37 94th
Median Household Income # 249 60th
Per Capita Income # 277 56th

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

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