Des Moines, WA Profile: Facts, Map & Data


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Des Moines, Washington - Basic Facts

The City of Des Moines had a population of 31,831 as of July 1, 2016. Des Moines 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 Des Moines is located at latitude 47.3911 and longitude -122.3155 in King County. The formal boundaries for the City of Des Moines (see map below) encompass a land area of 6.49 sq. miles and a water area of 0 sq. miles. King County is in the Pacific time zone (GMT -8). The elevation is 89 feet.

The City of Des Moines (GNIS ID: 2410327) 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 Des Moines is located within Seattle Division of King County.

Beneath the boundary map are tables with Des Moines population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Neighborhood Data

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City of Des Moines, WA Boundary Map

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Des Moines, WA Data & Demographics (As of July 1, 2016)


Total Population 31,831
Population in Households 31,220
Population in Familes 24,084
Population in Group Qrtrs 611
Population Density1 4,901
Diversity Index2 73


Total Households 12,295
Average Household Size 2.54
Family Households 7,660
Average Family Size 3


Total Housing Units 13,220 (100%)
Owner Occupied HU 7,327 (55.4%)
Renter Occupied HU 4,968 (37.6%)
Vacant Housing Units 925 ( 7.0%)
Median Home Value $299,688
Average Home Value $352,760


Median Household Income $60,247
Average Household Income $78,645
Per Capita Income $30,897
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 1.13% 1.33%
Households 0.85% 1.21%
Families 0.89% 1.21%
Median Household Income   2.35%
Per Capita Income   1.57%
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.

Des Moines, WA - Peer Comparisons by Rank and Percentile

The table below compares Des Moines to the other 627 incorporated cities, towns and CDPs 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 # 40 94th
Population Density1 # 12 98th
Diversity Index2 # 51 92nd
Median Household Income # 232 63rd
Per Capita Income # 214 66th

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

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