Four Oaks is located in Johnston County between Smithfield and Fayetteville along US Highway 301 near Benson, Dunn, Bentonville Battleground State Hist Site, the Neuse River, and Holts Lake. The population estimate for July 1, 1998 was 1,509, an increase of 201 since 1990.

Four Oaks is part of the Raleigh-Durham-Chapel Hill metro area.