Oconee is a city in Washington County, Georgia, United States. The population was 197 in 2020. The city's name derives from the Oconeā¦Oconee is a city in Washington County, Georgia, United States. The population was 197 in 2020. The city's name derives from the Oconee, a Hitchiti-speaking tribe who inhabited central Georgia from 1692 until 1715. The Oconee lived in present-day Baldwin County, Georgia at a settlement known as Oconee Old Town, later moving to the Chattahoochee River in the early 18th century. The name exists in several variations, including Ocone, Oconi, Ocony, and Ekwoni.