Liberty Hill is an unincorporated community located in Milam County, Texas, United States. According to the Handbook of Texas, the community had a population of 25 in 2000.
The 1941 county highway map showed a church and several scattered houses in Liberty Hill. Its population was 25 from 1990 through 2000.
Liberty Hill is located on Farm to Market Road 908, west of Rockdale in southwestern Milam County.
The community had its own school in 1941. Today, Liberty Hill is served by the Thorndale Independent School District.