San Carlos
- Country:
- Nicaragua
- Continent:
- North America
San Carlos's 2026 population is now estimated at 17,390.In 1971, the population of San Carlos was 2,487.San Carlos has grown by 42 in the last year, which represents a 0.24% annual change.These population values and projections come from Nicaragua city census-estimate series 1971-2023 via CityPopulation official attribution and World Population Review Internal Projections.