Pin Oak Acres is a census-designated place (CDP) in Mayes County, Oklahoma, United States.

Pin Oak Acres is located southeast of Chouteau and east of U.S. Route 69 on the Neosho River, upstream of Fort Gibson Dam.

[4] According to the United States Census Bureau, the CDP has a total area of 5.8 square miles (15 km2), all land.

There were 193 housing units at an average density of 33.6 per square mile (13.0/km2).

12.9% of all households were made up of individuals, and 5.7% had someone living alone who was 65 years of age or older.