Zion is a census-designated place (CDP) in Adair County, Oklahoma, United States.

[4] According to the United States Census Bureau, the CDP has a total area of 1.7 square miles (4.4 km2), all land.

As of the 2010 United States Census, there were 41 people residing in Zion.

[6] The racial makeup of the CDP was 20.83% White, 56.25% Native American, and 22.92% from two or more races.

25.0% of all households were made up of individuals, and 18.8% had someone living alone who was 65 years of age or older.