San Francisco del Oro Municipality
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San Francisco del Oro is one of the 67 municipalities of Chihuahua, in northern Mexico. The municipal seat lies at San Francisco del Oro town. The municipality, one of the smallest in Chihuahua covers an area of 695.5 km².
As of 2010, the municipality had a total population of 4,753, down from 4,838 as of 2005.