Coulee City is a town in Grant County, Washington.

In 1881, Philip McEntee, after helping a group of surveyors trying to lay down a road, built the first log cabin around Coulee City.

At Coulee City, water from the reservoir enters a system of irrigation canals taking it to Billy Clapp Lake to the south and then beyond across the broader Columbia Basin Project.

[6][7] Dry Falls, site of a catastrophic and large prehistoric waterfall, is located about two miles southwest of Coulee City.

State Route 155 has its southern terminus immediately east of town, and provides connections to the Grand Coulee Dam and surrounding communities to the northwest.

[8][9] According to the United States Census Bureau, the town has a total area of 0.90 square miles (2.33 km2), all of it land.

37.0% of all households were made up of individuals, and 16.2% had someone living alone who was 65 years of age or older.

36.2% of all households were made up of individuals, and 18.5% had someone living alone who was 65 years of age or older.