San Ramón is a district in the canton of San Ramón in Alajuela Province in Costa Rica. The central municipality of San Ramón covers an area of 1.29 km² and has a population of 10,710. Together with adjoining distritos, it forms what is colloquially known as Ciudad de San Ramón. However, cities are no longer a valid administrative division in Costa Rica, by m…San Ramón is a district in the canton of San Ramón in Alajuela Province in Costa Rica. The central municipality of San Ramón covers an area of 1.29 km² and has a population of 10,710. Together with adjoining distritos, it forms what is colloquially known as Ciudad de San Ramón. However, cities are no longer a valid administrative division in Costa Rica, by municipal codex law 7794 of April 30, 1998.