Area and population
The municipal seat had a population of 999 in 2000. It is located at an elevation of 900 meters.
The land is mountainous and is part of the spurs of the Sierra Madre Occidental mountains. There are only small streams which are tributaries of the Rio Yaqui.
The region now occupied by the municipality was once the land of the Opata people. The name of Nácori comes from the Opata language and means place of the nopal cactus.
It was founded in 1665 by the Spanish missionary Cristóbal García with the name of Nuestra Señora de Nácori Chico; it became a municipality in its own right in 1934.
The main economic activities are agriculture, cattle raising, and forestry. The main crops are corn, beans and grasses for cattle fodder. There were 33,000 head of cattle in 2000.
Nácori Chico is also famous in Sonora for its palm hats. See 
- Nácori Chico, Ayuntamiento Digital (Official Website of Nácori Chico, Sonora)
- Article on the palm weavers of Nácori Chico English