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zipcodes.pro — CITY/WA/COULEE-DAM

Coulee Dam ZIP code, Washington

The ZIP code for Coulee Dam, WA is 99116, and its area code is 509.

USPS city name
1 ZIP code
Population
1,595
Area code
509

Coulee Dam in numbers

About 1,595 people live in Coulee Dam, in 659 households. The median household income is $66,732 a year, 32% below the Washington median of $98,141 (US: $80,734). The median owner-occupied home is valued at $238,500 (58% below the Washington median), and median gross rent is $1,033 a month. The median age is 38.0; 28.6% of adults 25 and over hold a bachelor's degree or higher (39.6% across Washington); the average commute takes 16 minutes.

Population1,595Coulee Dam1,595
Households659Coulee Dam659
Median age38.0Coulee Dam38.0Washington38.3US 38.9
Median household income$66,732Coulee Dam$66,732Washington$98,141US $80,734
Median home value$238,500Coulee Dam$238,500Washington$564,600US $332,700
Median gross rent$1,033Coulee Dam$1,033Washington$1,760US $1,413
Bachelor's degree or higher28.6%Coulee Dam28.6%Washington39.6%US 35.7%
Mean commute16.4 minCoulee Dam16.4 minWashington26.6 minUS 26.4 min
Population density2,228 / sq miCoulee Dam2,228 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Coulee Dam town. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Coulee Dam

ZIP codes with the USPS city name Coulee Dam
ZIP City Type Population Median income Median home
99116 Coulee Dam , WA Standard 1,786 $65,946 $238,900

Map of Coulee Dam ZIP codes

99116

The ZIP codes of Coulee Dam, WA, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Coulee Dam

The nearest larger towns are Bridgeport (1,792 people, 32 mi), Brewster (1,653 people, 38 mi) and Okanogan (2,470 people, 39 mi).

More nearby: every ZIP code in Okanogan County · Washington ZIP codes

Cite this page

zipcodes.pro. “Coulee Dam, WA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/wa/coulee-dam

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