Federal Way-Auburn Division WA Demographic Data and Boundary Map


Federal Way-Auburn Division, WA

The Federal Way-Auburn Division is a County Subdivision of King County. The subdivision has a Z5 Census Class Code which indicates that the Federal Way-Auburn Division is a statistical county subdivision.

Also See: King County Data | Cities in King County | County Subdivisions in King County

Federal Way-Auburn Division Boundary Map


Federal Way-Auburn Division Data & Demographics (As of July 1, 2017)


Total Population 183,602
Population in Households 182,063
Population in Familes 145,841
Population in Group Qrtrs 1,539
Population Density1 3,301
Diversity Index2 73


Total Households 67,266
Average Household Size 2.71
Family Households 44,880
Average Family Size 3


Total Housing Units 70,760 (100%)
Owner Occupied HU 38,955 (55.1%)
Renter Occupied HU 28,311 (40.0%)
Vacant Housing Units 3,494 ( 4.9%)
Median Home Value $275,299
Average Home Value $314,458


Median Household Income $60,908
Average Household Income $78,982
Per Capita Income $29,218
  (Compound Annual Growth Rates)


2010-2014 2014-2019
Population 1.44% 1.35%
Households 1.25% 1.24%
Families 1.27% 1.25%
Median Household Income   2.35%
Per Capita Income   2.36%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.