Ludlow

(South Dakota)

Ludlow is an unincorporated rural hamlet in Harding County, South Dakota, United States. It is located on Federal Highway 85, approximately 21 miles north of Buffalo, the Harding County seat, and six miles south of the North Dakota border. Although not tracked by the Census Bureau, nor having a post office, Ludlow has been assigned the ZIP code of 57755 by the United States Postal Service.