Dialects: San Mateo Zoyamazalco Popoloca, San Vicente Coyotepec Popoloca. 41% intelligibility of Otlaltepec ,, 23% of Atzingo ,, 15% of Tlacoyalco Northern Popoloca ,. San Mateo dialect may be a separate language.
Genealogy:
Demographics: 500 (1990 census). Ethnic population: 7,000.
Language Use: Also use Spanish [spa].
Writing System: Unwritten
Nation of Origin: Mexico