As of 2010, the municipality had a total population of 9,002,[1] up from 6,870 in 2005.[2] It covers an area of 94.4 km2.
As of 2010, the town of Rayón had a population of 5,895.[1] Other than the town of Rayón, the municipality had 43 localities, none of which had a population over 1,000.[1]
^"Rayón". Enciclopedia de los Municipios de México. Instituto Nacional para el Federalismo y el Desarrollo Municipal Gobierno del Estado de Chiapas. Archived from the original on September 27, 2007. Retrieved August 3, 2008.