San Dimas is a municipality in the Mexican state of Durango.

The municipal seat lies at Tayoltita.

The municipality covers an area of 5,620.5 km².

[2] The municipality has 590 localities, the largest of which (with 2010 populations in parentheses) are: Tayoltita (5,124), classified as urban, and San Miguel de Cruces (1,816), classified as rural.

This article about a location in the Mexican state of Durango is a stub.