El Marsa's 2026 population is now estimated at 31,731. In 1994, the population of El Marsa was 4,334. El Marsa has grown by 1,476 in the last year, which represents a 4.88% annual change. These population values and projections come from Western Sahara urban census series 1982-2024 via CityPopulation official attribution and World Population Review Internal Projections .