Hidden Springs is a master-planned village and census-designated place located in the U.S. state of Idaho. It is within Ada County in the Dry Creek Valley. It has a total area of 2.536 square miles at 43°43′20″N 116°15′03″W. The elevation is 2,864 feet above sea level. As of the 2010 census data, it had a total population of 2,280. The population density was 900/sq mi. Hidden Springs Elementary School is located in Hidden Springs.