Maple Valley, WA Profile: Facts, Map & Data


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Maple Valley, Washington - Basic Facts

The City of Maple Valley had a population of 25,675 as of July 1, 2016. Maple Valley ranks in the upper quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in Washington. See peer rankings below.

The primary coordinate point for Maple Valley is located at latitude 47.3671 and longitude -122.0348 in King County. The formal boundaries for the City of Maple Valley (see map below) encompass a land area of 5.73 sq. miles and a water area of 0.18 sq. miles. King County is in the Pacific time zone (GMT -8). The elevation is 420 feet.

The City of Maple Valley (GNIS ID: 2411028) 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 Maple Valley is located within Tahoma-Maple Valley Division of King County.

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

Alternate Unofficial Names for Maple Valley: Maplevalley.

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.


City of Maple Valley, WA Boundary Map

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Boundary Maps: Tahoma-Maple Valley Division | King County | Washington Counties

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Maple Valley, WA Data & Demographics (As of July 1, 2016)


Total Population 25,675
Population in Households 25,675
Population in Familes 22,927
Population in Group Qrtrs 0
Population Density1 4,481
Diversity Index2 38


Total Households 8,522
Average Household Size 3.01
Family Households 6,814
Average Family Size 3


Total Housing Units 8,859 (100%)
Owner Occupied HU 7,178 (81.0%)
Renter Occupied HU 1,343 (15.2%)
Vacant Housing Units 337 ( 3.8%)
Median Home Value $343,324
Average Home Value $376,383


Median Household Income $103,088
Average Household Income $114,085
Per Capita Income $38,063
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 2.0% 1.93%
Households 1.68% 1.76%
Families 1.63% 1.78%
Median Household Income   0.92%
Per Capita Income   1.42%
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.

Maple Valley, WA - Peer Comparisons by Rank and Percentile

The table below compares Maple Valley 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 # 45 93rd
Population Density1 # 19 97th
Diversity Index2 # 276 56th
Median Household Income # 33 95th
Per Capita Income # 96 85th

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