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Coulee City, WA ZIP code

The ZIP code for Coulee City, Washington is 99115. It is in Douglas County.

Population in these ZIPs
1,369
Avg. median income
$62,700population-weighted
Typical home value
$293,600population-weighted
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ZIP codes within 10 miles

Coulee City, WA ZIP code list

Coulee City, WA ZIP codes
ZIP codePopulationMedian incomeTypical home value
991151,369$62,708$293,600

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Cities near Coulee City

Frequently asked questions

What is the ZIP code for Coulee City, WA?

The ZIP code for Coulee City, WA is 99115.

What county is Coulee City, Washington in?

Coulee City ZIP codes are in Douglas County.