Cusick (Salish: čmq̓ʷoqnú [4]) is a town in Pend Oreille County, Washington, United States.

Cusick occupies the former site of the largest village of the Pend d'Oreilles tribe, where as many as 1,000 people once lived.

According to the United States Census Bureau, the Cusick has a total area of 0.45 square miles (1.17 km2), all of it land.

30.2% of all households were made up of individuals, and 8.1% had someone living alone who was 65 years of age or older.

The racial makeup of the town was 95.28% White, 3.77% Native American, and 0.94% from two or more races.

27.6% of all households were made up of individuals, and 12.6% had someone living alone who was 65 years of age or older.

About 36.2% of families and 41.2% of the population were below the poverty line, including 61.7% of those under the age of eighteen and 6.1% of those 65 or over.