San Luis Potosí is a state in central and northern Mexico that is divided into 59 municipalities. According to the 2020 INEGI census, it is the 19th most populated of Mexico's 31 states, with inhabitants and the 15th largest by land area spanning . The largest municipality by population is the capital of San Luis Potosí, with 911,908 residents (32.31% of the state's total), while the smallest is Armadillo with 4,013 residents. The largest municipality by land area is Santo Domingo which spans , and the smallest is Huehuetlán with . The newest municipality is Villa de Pozos, established in 2024 from the municipality of San Luis Potosí; followed by El Naranjo, created out of Ciudad del Maíz, and Matlapa, carved from Tamazunchale, both established in 1994.
Municipalities in San Luis Potosí are administratively autonomous of the state according to the 115th article of the 1917 Constitution of Mexico. Every three years, citizens elect a municipal president (Spanish: presidente municipal) by a plurality voting system who heads a concurrently elected municipal council (ayuntamiento) responsible for providing all the public services for their constituents. The municipal council consists of a variable number of trustees and councillors (regidores y síndicos). Municipalities are responsible for public services (such as water and sewerage), street lighting, public safety, traffic, and the maintenance of public parks, gardens and cemeteries. They may also assist the state and federal governments in education, emergency fire and medical services, environmental protection and maintenance of monuments and historical landmarks. Since 1984, they have had the power to collect property taxes and user fees, although more funds are obtained from the state and federal governments than from their own income.
Municipalities
+ Name Municipal seat Population(2020) Population(2010) Change Land area Population density(2020) Incorporation datekm2sq miAhualulcoAhualulcoAlaquinesAlaquinesAquismónAquismónArmadilloArmadillo de los InfanteAxtla Axtla de TerrazasCárdenasCárdenasCatorceReal de CatorceCedralCedralCerritosCerritosCerro de San PedroCerro de San PedroCharcasCharcasCiudad del Maíz Ciudad del MaízCiudad Fernández Ciudad Fernández Ciudad Valles Ciudad VallesCoxcatlánCoxcatlánÉbanoÉbanoEl NaranjoEl NaranjoGuadalcázarGuadalcázarHuehuetlán HuehuetlánLagunillasLagunillasMatehualaMatehualaMatlapaMatlapaMexquitic Mexquitic de CarmonaMoctezuma MoctezumaRayón Rayón RioverdeRioverdeSalinasSalinas de HidalgoSan Antonio San AntonioSan CiroSan Ciro de AcostaSan Luis Potosí San Luis PotosíSan Martín ChalchicuautlaSan Martín ChalchicuautlaSan Nicolás TolentinoSan Nicolás TolentinoSanta CatarinaSanta CatarinaSanta María del RíoSanta María del RíoSanto DomingoSanto DomingoSoledadSoledad de Graciano SánchezTamasopo TamasopoTamazunchaleTamazunchaleTampacánTampacánTampamolónTampamolón CoronaTamuínTamuínTancanhuitz Tancanhuitz de Santos TancuayalabSan Vicente TancuayalabTanlajásTanlajásTanquiánTanquián de EscobedoTierra Nueva Tierra NuevaVanegas VanegasVenadoVenadoVilla de Arista Villa de AristaVilla de ArriagaVilla de ArriagaVilla de GuadalupeVilla de GuadalupeVilla de La PazVilla de La PazVilla de PozosVilla de Pozos — — — — — — Villa de RamosVilla de RamosVilla de Reyes Villa de ReyesVilla Hidalgo Villa HidalgoVilla Juárez Villa JuárezXilitlaXilitlaZaragozaVilla de Zaragoza San Luis Potosí — — Mexico — —
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