The municipality of Churintzio is located in northern Michoacán at an altitude between 1,700 and 2,500 metres (5,600–8,200 ft).
It borders the municipalities of Ecuandureo to the west, La Piedad to the north, Zináparo to the northeast, Penjamillo to the southeast, and Tlazazalca to the south.
The place name may derive from the Purépecha words achuri, "night", or chureni, "to grow dark".
[7] The municipal government comprises a president, a councillor (Spanish: síndico), and seven trustees (regidores), four elected by relative majority and three by proportional representation.
[8] In the 2010 Mexican Census, the municipality of Churintzio recorded a population of 5564 inhabitants living in 1654 households.