Tlahualilo Municipality
Tlahualilo is a municipality in the Mexican state of Durango. The municipal seat lies at Tlahualilo de Zaragoza. The municipality covers an area of 3,709.8 km2.
As of 2010, the municipality had a total population of 22,244, up from 19,882 as of 2005.
The municipality had 159 localities, the largest of which were: Tlahualilo de Zaragoza, El Lucero (Arcinas), classified as urban, and San Francisco de Horizonte (Horizonte), Jauja, Banco Nacional, and San Julio, classified as rural.