Geographically the municipality of São Félix do Tocantins, in the most central of Jalapão, bordered to the north with the municipality of Lizarda, Mateiros in the south, west and east with Novo Acordo with the State of Maranhão. The population of the city began with immigrants coming mainly from northeastern Piauí, Maranhão and Bahia, emerging as the camp in 1736. Was emancipated by State Law No. 251 of 1991. The city is clearly divided into two parts by the Ribeirão São Félix. Stands as the leisure area of Praia do Alecrim and Praia Rica that are on the river Soninho (Sono), theWaterfall Jalapinha; Praia do Arapuá; Encontro do Rio Sono with the Rio Novo; Fervedouro do Alecrim; well warm water and bubbling springs that emerge due to the sand, located near the municipal headquarters, known as Fervedouro. Handicrafts highlight the golden grass (Campim Dourado), raw material removal on the sidewalks of the municipality. The official area of São Félix do Tocantins is currently 1.907km² and in the 2010 census, listed with 1.437 inhabitants, with a population decrease in the order of 0.62% compared to the census of 2000.
