Alternate Names: Northern Popoloca, Popoloca de San Marcos Tlalcoyalco, Popoluca del norte
Dialects: None known. San Luis , has 90% intelligibility of San Marcos.
Genealogy:
Demographics: 8,440 (2000 INALI).
Language Development: Grammar. NT: 1983.
Typology: VSO; long words, affixes, clitics; tonal.
Writing System: Latin
Nation of Origin: Mexico