Houston County is a county located in the central portion of the U.S. state of Georgia. The population was 163,633 at the 2020 census. Its county seat is Perry; the city of Warner Robins is substantially larger in both area and population. The county was created on May 15, 1821, along with 4 other counties in the state, and later reduced in size with the formation of Bibb, Crawford, Pulaski, Macon, and Peach counties.