Stambaugh is an unincorporated community in Johnson County, Kentucky, United States. Stambaugh's post office was established on February 28, 1905, with Bessie L. Stambaugh as the first postmaster. The community was named after the descendants of Samuel and Philip Stambaugh, who were two of the area's first settlers. Its ZIP Code is 41257. Stambaugh is located at an elevation of 830 feet (253 m).