Liste der nach Einwohnerzahl bedeutendsten Orte (max. 300 Orte) in San Marcos, mit Links zu den Ortsdetails
| Ort | Einwohnerzahl | Landesregion | |
|---|---|---|---|
| Catarina | 3040 | San Marcos | |
| Ciudad Tecún Umán | 11432 | San Marcos | |
| Comitancillo | 59489 | San Marcos | |
| Concepción Tutuapa | 6006 | San Marcos | |
| El Quetzal | 12122 | San Marcos | |
| El Rodeo | 1887 | San Marcos | |
| El Tumbador | 8856 | San Marcos | |
| Esquipulas Palo Gordo | 1533 | San Marcos | |
| Ixchiguán | 2263 | San Marcos | |
| La Blanca | 0 | San Marcos | |
| La Reforma | 4905 | San Marcos | |
| Malacatán | 92816 | San Marcos | |
| Nuevo Progreso | 8113 | San Marcos | |
| Ocós | 4417 | San Marcos | |
| Pajapita | 8164 | San Marcos | |
| Río Blanco | 829 | San Marcos | |
| San Antonio Sacatepéquez | 1658 | San Marcos | |
| San Cristóbal Cucho | 9152 | San Marcos | |
| San José Ojetenam | 0 | San Marcos | |
| San José Ojetenán | 1269 | San Marcos | |
| San Lorenzo | 945 | San Marcos | |
| San Marcos | 47063 | San Marcos | |
| San Miguel Ixtahuacán | 3662 | San Marcos | |
| San Pablo | 13668 | San Marcos | |
| San Pedro Sacatepéquez | 40021 | San Marcos | |
| San Rafael Pie de la Cuesta | 4320 | San Marcos | |
| Sibinal | 1657 | San Marcos | |
| Sipacapa | 661 | San Marcos | |
| Tacaná | 6438 | San Marcos | |
| Tajumulco | 4329 | San Marcos | |
| Tejutla | 2653 | San Marcos |