Mont Ida, Kansas
Mont Ida is an unincorporated community in Anderson County, Kansas, United States. History. Mont Ida had its start in the year 1880 by the building of the railroad through that territory. A post office was opened in Mont Ida in 1880, and remained in operation until it was discontinued in 1944. Demographics. For statistical purposes, the United States Census Bureau has defined Mont Ida as a census-designated place (CDP).