Coulee Dam, WA 99116 ZIP Code Profile

Related Place Profiles:
Coulee Dam, WA | Mason City, WA

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ZIP Code 99116: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Coulee Dam, WA 99116

Not Acceptable, USPS
Mason City, WA 99116

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 30
  • Single Family Addresses: 515
  • Multi-Family Addresses: 33
  • County: Okanogan County
  • Centroid: Latitude 47.972, Longitude -118.972
  • Time Zone: Pacific Time Zone (UTC -8 hours)
  • Observes DST: Yes

ZIP Code 99116 has segments in 2 Counties (Douglas, Okanogan).

Neighborhood Data

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99116 ZIP Code Map

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Coulee Dam, WA 99116 Data & Demographics (As of July 1, 2017)


Total Population 2,880
Daytime Population: Workers 510
Daytime Population: Residents 1,731
Total Daytime Population (TDP) 2,241
Ratio TDP/Total Population1 0.78
Population in Households 2,852
Population in Familes 2,303
Population in Group Qrtrs 28
Population Density2 5
Diversity Index3 63


Median Household Income $48,039
Average Household Income $59,115
Per Capita Income $22,210


Total Housing Units 1,321 (100%)
Owner Occupied HU 741 (56.1%)
Renter Occupied HU 330 (25.0%)
Vacant Housing Units 250 (18.9%)
Median Home Value $112,931
Average Home Value $158,704


Total Households 1,071
Average Household Size 2.66
Family Households 728
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.
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population -0.34% -0.11%
Households -0.34% -0.09%
Families -0.39% -0.11%
Median Household Income   1.58%
Per Capita Income   2.23%

Coulee Dam, WA 99116 - Peer Comparisons by Rank and Percentile

The table below compares 99116 to the other 585 ZIP Codes 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 # 338 42nd
Population Density # 508 13th
Diversity Index # 108 82nd
Median Household Income # 408 30th
Per Capita Income # 499 15th

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

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