Coulee Dam, WA Profile: Facts, Map & Data


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Coulee Dam, Washington - Basic Facts

The Town of Coulee Dam had a population of 1,097 as of July 1, 2017. Coulee Dam 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 Coulee Dam is located at latitude 47.9685 and longitude -118.9763 in Okanogan County. The formal boundaries for the Town of Coulee Dam (see map below) encompass a land area of 0.72 sq. miles and a water area of 0.05 sq. miles. Okanogan County is in the Pacific time zone (GMT -8). The elevation is 1,148 feet.

While the primary coordinates for Town of Coulee Dam are located in Okanogan County, it should be noted that the formal boundaries for this community also extend into Grant County, and Douglas County.

The Town of Coulee Dam (GNIS ID: 2413249) 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 Town of Coulee Dam is located within Colville Reservation Division of Okanogan County.

Beneath the boundary map are tables with Coulee Dam population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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Town of Coulee Dam, WA Boundary Map

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Boundary Maps: Colville Reservation Division | Okanogan County | Washington Counties

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


Total Population 1,097
Daytime Population: Workers 474
Daytime Population: Residents 590
Total Daytime Population (TDP) 1,064
Ratio TDP/Total Population1 0.97
Population in Households 1,097
Population in Familes 869
Population in Group Qrtrs 0
Population Density2 1,527
Diversity Index3 67


Median Household Income $52,418
Average Household Income $63,590
Per Capita Income $27,208


Total Housing Units 547 (100%)
Owner Occupied HU 328 (60.0%)
Renter Occupied HU 129 (23.6%)
Vacant Housing Units 90 (16.5%)
Median Home Value $121,691
Average Home Value $167,966


Total Households 457
Average Household Size 2.4
Family Households 297
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 -0.01% 0.13%
Households -0.06% 0.17%
Families -0.18% 0.13%
Median Household Income   1.49%
Per Capita Income   2.49%

Coulee Dam, WA - Peer Comparisons by Rank and Percentile

The table below compares Coulee Dam 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 # 377 40th
Population Density # 194 69th
Diversity Index # 78 88th
Median Household Income # 378 40th
Per Capita Income # 350 44th

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

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