Dutch Mills is an unincorporated community in Dutch Mills Township, Washington County, Arkansas, United States. Dutch Mills is on a small tributary of the Baron Fork of the Illinois River on Arkansas Highway 59, approximately 6 miles (9.7 km) south of U.S. Route 62 and 1 mile (1.6 km) east of the Oklahoma border. Since Dutch Mills is a small rural community, it receives mail delivery from Lincoln (ZIP code 72744). The population of the Lincoln ZCTA was 4,571 at the 2000 census. It is part of the Northwest Arkansas region.