Metaline is a town in Pend Oreille County, Washington, United States.

The Pend Oreille River was deepened at Box Canyon in 1906, allowing navigation to Metaline.

According to the United States Census Bureau, Metaline has a total area of 0.31 square miles (0.80 km2), all of it land.

The racial makeup of the town was 96.0% White, 2.3% Native American, and 1.7% from two or more races.

44.2% of all households were made up of individuals, and 15.1% had someone living alone who was 65 years of age or older.

The racial makeup of the town was 91.98% White, 1.23% Native American, 0.62% Pacific Islander, and 6.17% from two or more races.

About 25.0% of families and 32.6% of the population were below the poverty line, including 48.1% of those under the age of eighteen and none of those 65 or over.