McClave is an unincorporated community in Bent County, Colorado, United States. The population was 725 at the 2020 census.
The McClave post office has been in operation since 1908. The town was named after B. I. McClave, a pioneer settler. The McClave post office has the ZIP code 81057.
McClave's services include a store, gas station, post office, and a K-12 school with a large athletic field.
The McClave CDP has an area of , all land.
The Köppen Climate system classifies the weather as semi-arid, abbreviated as BSk.
The United States Census Bureau defined the for the