San Marcos
- Country:
- Guatemala
- Continent:
- North America
San Marcos's 2026 population is now estimated at 70,210. In 1994, the population of San Marcos was 8,851. San Marcos has grown by 3,424 in the last year, which represents a 5.13% annual change. These population values and projections come from CityPopulation Guatemala cities and towns census series (1994, 2002) fallback access, INE Guatemala Censo 2018 A1.2 municipio urban population and World Population Review Internal Projections .