Ace is an unincorporated community in Polk County, Texas, United States. According to the Handbook of Texas, the community had an estimated population of 40 in 2000.
Ace is located along FM 2610 in southern Polk County, approximately 75 miles northeast of Houston. Although it is unincorporated, Ace has a post office, with the ZIP code of 77326.
Public education in the community is provided by the Livingston Independent School District.