Federal Way, WA 98023 ZIP Code Profile

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Auburn, WA | Federal Way, WA

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ZIP Code 98023: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Federal Way, WA 98023

Acceptable Alternative
Auburn, WA 98023

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 238
  • Single Family Addresses: 14,732
  • Multi-Family Addresses: 3,135
  • County: King County
  • Centroid: Latitude 47.304, Longitude -122.373
  • Time Zone: Pacific Time Zone (UTC -8 hours)
  • Observes DST: Yes

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.


98023 ZIP Code Map

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Federal Way, WA 98023 Data & Demographics (As of July 1, 2016)


Total Population 51,656
Population in Households 51,467
Population in Familes 43,029
Population in Group Qrtrs 189
Population Density1 4,957
Diversity Index2 73


Total Households 18,085
Average Household Size 2.85
Family Households 13,002
Average Family Size 3


Total Housing Units 19,163 (100%)
Owner Occupied HU 11,386 (59.4%)
Renter Occupied HU 6,699 (35.0%)
Vacant Housing Units 1,078 ( 5.6%)
Median Home Value $300,946
Average Home Value $337,884


Median Household Income $69,551
Average Household Income $84,357
Per Capita Income $29,659
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 1.09% 1.29%
Households 0.8% 1.14%
Families 0.83% 1.16%
Median Household Income   2.34%
Per Capita Income   1.58%
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.

Federal Way, WA 98023 - Peer Comparisons by Rank and Percentile

The table below compares 98023 to the other 585 ZIP Codes in Washington by rank and percentile using July 1, 2016 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 # 8 99th
Population Density1 # 45 92nd
Diversity Index2 # 59 90th
Median Household Income # 103 83rd
Per Capita Income # 220 63rd

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