San Martín de Hidalgo Municipality
San Martín de Hidalgo Municipality 
    Municipio de San Martín de Hidalgo  | |
|---|---|
| Motto(s):  Piensa, progresa  | |
Location of the municipality in Jalisco  | |
| Coordinates: 20°26′06″N 103°55′43″W / 20.43500°N 103.92861°W | |
| Country | Mexico | 
| State | Jalisco | 
| Region | Valles | 
| Established | 1813 | 
| Government | |
| • Municipal president | Juana Ceballos Guzmán (PVEM ) | 
| Area | |
| 344.16 km2 (132.88 sq mi) | |
| • Water | 5.39 km2 (2.08 sq mi) | 
| • Urban | 2.72 km2 (1.05 sq mi) | 
| Elevation | 1,305 m (4,281 ft) | 
| Population  (2020)  | |
| 28,102 | |
| • Density | 82/km2 (210/sq mi) | 
| Demonym | Sanmartínense | 
| Time zone | UTC-6 (Central Standard Time) | 
| • Summer (DST) | UTC-5 (Central Daylight Time) | 
| Website | Official website | 
San Martín de Hidalgo Municipality (Spanish: Municipio de San Martín de Hidalgo) is a municipality located in the Región Valles of the state of Jalisco, Mexico. As of 2010, the population was 26,306. The municipal seat is San Martín de Hidalgo. Other administrative communities include 5 delegations and 18 agencies.