Moses Lake, WA Profile: Facts, Map & Data


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Moses Lake, Washington - Basic Facts

The City of Moses Lake had a population of 21,827 as of July 1, 2017. Moses Lake ranks in the upper quartile for 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 Moses Lake is located at latitude 47.1268 and longitude -119.2762 in Grant County. The formal boundaries for the City of Moses Lake (see map below) encompass a land area of 17.84 sq. miles and a water area of 3 sq. miles. Grant County is in the Pacific time zone (GMT -8). The elevation is 1,070 feet.

The City of Moses Lake (GNIS ID: 2411173) 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 Moses Lake is located within Moses Lake Division of Grant County.

Beneath the boundary map are tables with Moses Lake 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 Moses Lake: Neppel.

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City of Moses Lake, WA Boundary Map

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Boundary Maps: Moses Lake Division | Grant County | Washington Counties

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


Total Population 21,827
Daytime Population: Workers 15,731
Daytime Population: Residents 12,299
Total Daytime Population (TDP) 28,030
Ratio TDP/Total Population1 1.28
Population in Households 21,625
Population in Familes 17,345
Population in Group Qrtrs 202
Population Density2 1,224
Diversity Index3 69


Median Household Income $51,118
Average Household Income $64,914
Per Capita Income $24,302


Total Housing Units 8,910 (100%)
Owner Occupied HU 4,639 (52.1%)
Renter Occupied HU 3,424 (38.4%)
Vacant Housing Units 846 ( 9.5%)
Median Home Value $159,705
Average Home Value $186,829


Total Households 8,064
Average Household Size 2.68
Family Households 5,310
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 0.96% 0.66%
Households 0.82% 0.59%
Families 0.85% 0.54%
Median Household Income   2.54%
Per Capita Income   3.71%

Moses Lake, WA - Peer Comparisons by Rank and Percentile

The table below compares Moses Lake 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 # 56 91st
Population Density # 244 61st
Diversity Index # 69 90th
Median Household Income # 398 37th
Per Capita Income # 458 27th

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

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