Soap Lake, WA Profile: Facts, Map & Data


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Soap Lake, Washington - Basic Facts

The City of Soap Lake had a population of 1,574 as of July 1, 2016.

The primary coordinate point for Soap Lake is located at latitude 47.3884 and longitude -119.4906 in Grant County. The formal boundaries for the City of Soap Lake (see map below) encompass a land area of 1.3 sq. miles and a water area of 0 sq. miles. Grant County is in the Pacific time zone (GMT -8). The elevation is 1,106 feet.

The City of Soap Lake (GNIS ID: 2411918) 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 Soap Lake is located within Ephrata-Soap Lake Division of Grant County.

Beneath the boundary map are tables with Soap Lake 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 Soap Lake, WA Boundary Map

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Boundary Maps: Ephrata-Soap Lake Division | Grant County | Washington Counties

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Soap Lake, WA Data & Demographics (As of July 1, 2016)


Total Population 1,574
Population in Households 1,537
Population in Familes 1,022
Population in Group Qrtrs 37
Population Density1 1,214
Diversity Index2 45


Total Households 770
Average Household Size 2.0
Family Households 369
Average Family Size 3


Total Housing Units 1,029 (100%)
Owner Occupied HU 432 (42.0%)
Renter Occupied HU 339 (32.9%)
Vacant Housing Units 259 (25.2%)
Median Home Value $89,464
Average Home Value $108,083


Median Household Income $25,687
Average Household Income $33,890
Per Capita Income $17,096
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.31% 0.43%
Households 0.36% 0.41%
Families 0.53% 0.32%
Median Household Income   0.31%
Per Capita Income   1.82%
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.

Soap Lake, WA - Peer Comparisons by Rank and Percentile

The table below compares Soap Lake 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 # 345 45th
Population Density1 # 246 61st
Diversity Index2 # 227 64th
Median Household Income # 625 0th
Per Capita Income # 590 6th

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

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