Auburn, WA Profile: Facts, Map & Data


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Auburn, Washington - Basic Facts

The City of Auburn had a population of 81,032 as of July 1, 2017. Auburn 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 Auburn is located at latitude 47.3038 and longitude -122.21 in King County. The formal boundaries for the City of Auburn (see map below) encompass a land area of 29.61 sq. miles and a water area of 0.27 sq. miles. King County is in the Pacific time zone (GMT -8). The elevation is 82 feet.

While the primary coordinates for City of Auburn are located in King County, it should be noted that the formal boundaries for this community also extend into and Pierce County.

The City of Auburn (GNIS ID: 2409755) 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 Auburn is located within Federal Way-Auburn Division of King County.

Beneath the boundary map are tables with Auburn 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 Auburn: Slaughter.

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City of Auburn, WA Boundary Map

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

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


Total Population 81,032
Daytime Population: Workers 47,979
Daytime Population: Residents 43,232
Total Daytime Population (TDP) 91,211
Ratio TDP/Total Population1 1.13
Population in Households 80,387
Population in Familes 63,640
Population in Group Qrtrs 645
Population Density2 2,736
Diversity Index3 65


Median Household Income $62,229
Average Household Income $79,739
Per Capita Income $29,468


Total Housing Units 31,047 (100%)
Owner Occupied HU 17,531 (56.5%)
Renter Occupied HU 11,944 (38.5%)
Vacant Housing Units 1,572 ( 5.1%)
Median Home Value $277,763
Average Home Value $293,770


Total Households 29,475
Average Household Size 2.73
Family Households 19,406
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 2.0% 1.63%
Households 1.71% 1.49%
Families 1.75% 1.52%
Median Household Income   2.8%
Per Capita Income   2.42%

Auburn, WA - Peer Comparisons by Rank and Percentile

The table below compares Auburn 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 # 15 98th
Population Density # 110 83rd
Diversity Index # 86 86th
Median Household Income # 244 61st
Per Capita Income # 288 54th

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

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