Ashdown is a city in Little River County, Arkansas, United States. The population was 4,781 at the 2000 census. The city is the county seat of Little River County.
Ashdown is located at 33°40′24″N 94°7′38″W / 33.67333°N 94.12722°W / 33.67333; -94.12722 (33.673454, -94.127339).
According to the United States Census Bureau, the city has a total area of 7.2 square miles (18.5 km²).7.1 square miles (18.4 km²) of it is land and 0.04 square miles (0.1 km²) of it (0.56%) is water. Millwood Lake is located seven miles east of the town.