Thomas Hill is an unincorporated community in northwest Randolph County, in the U.S. state of Missouri. [1] The community is located on Missouri Route F, just east of Missouri Route 3. The Thomas Hill Reservoir dam is about two miles to the north. [2]
A post office called Thomas Hill was established in 1874, and remained in operation until 1902. [3] The community has the name of William Thomas, a pioneer citizen. [4]