North-western and central Oaxaca (east to Santiago Matatlán) and probably adjacent south-eastern Puebla, in southern Mexico.
 
Population
Estimated population is 20,000 - 49,999 (2010).
Status LC
Habitat destruction through cutting of vegetation for timber and firewood, and clearance for cattle-ranching is the main threat.
For more information see BirdLife International Species Factsheet.
Oaxaca Sparrow (Aimophila notosticta) [XC798751]
by from San Agust\u00edn Etla, San Agust\u00edn Etla, Oaxaca, Mexico (song)
Oaxaca Sparrow (Aimophila notosticta) [XC658570]
by Manuel Grosselet from San Juan Bautista Guelache, San Juan Bautista Guelache, Oaxaca, Mexico (subsong)