Grand Coulee, WA Profile: Facts, Map & Data


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Grand Coulee, Washington - Basic Facts

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The City of Grand Coulee had a population of 957 as of July 1, 2017.

The primary coordinate point for Grand Coulee is located at latitude 47.9386 and longitude -119.0027 in Grant County. The formal boundaries for the City of Grand Coulee (see map below) encompass a land area of 1.24 sq. miles and a water area of 0.1 sq. miles. Grant County is in the Pacific time zone (GMT -8). The elevation is 1,470 feet.

The City of Grand Coulee (GNIS ID: 2410630) 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 Grand Coulee is located within Grand Coulee Division of Grant County.

Beneath the boundary map are tables with Grand Coulee 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 Grand Coulee: Coulee Center, Coulee Heights.

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City of Grand Coulee, WA Boundary Map

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Boundary Maps: Grand Coulee Division | Grant County | Washington Counties

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


Total Population 957
Daytime Population: Workers 761
Daytime Population: Residents 567
Total Daytime Population (TDP) 1,328
Ratio TDP/Total Population1 1.39
Population in Households 946
Population in Familes 645
Population in Group Qrtrs 11
Population Density2 772
Diversity Index3 52


Median Household Income $30,186
Average Household Income $43,069
Per Capita Income $21,192


Total Housing Units 566 (100%)
Owner Occupied HU 233 (41.2%)
Renter Occupied HU 225 (39.8%)
Vacant Housing Units 107 (18.9%)
Median Home Value $129,444
Average Home Value $149,356


Total Households 459
Average Household Size 2.06
Family Households 236
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 -0.67% -0.29%
Households -0.76% -0.4%
Families -0.85% -0.51%
Median Household Income   3.05%
Per Capita Income   4.02%

Grand Coulee, WA - Peer Comparisons by Rank and Percentile

The table below compares Grand Coulee 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 # 394 37th
Population Density # 343 45th
Diversity Index # 172 73rd
Median Household Income # 619 1st
Per Capita Income # 547 13th

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

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