Post Oak Bend is a town in Kaufman County, Texas, United States.

[4] Post Oak Bend is located in central Kaufman County.

According to the United States Census Bureau, the town has a total area of 2.0 square miles (5.2 km2), of which 2.4 acres (1.0 ha), or 0.18%, are covered by water.

[5] As of the 2020 United States census, 683 people, 174 households, and 138 families resided in the town.

Post Oak Bend is served by Kaufman Independent School District.