Winnfield is located in Winn Parish (of which it is the parish seat) within the Crossroads Region, between Jonesboro and Alexandria along U.S. Hwy 167 near the Dugdemona River, Kisatchie National Forest (Winn Ranger District and the Catahoula Ranger District). The population estimate for July 1, 1998 was 6,381, an increase of 243 since 1990.