Eagle is a city in Ada County, Idaho, United States. The population was 11,085 at the 2000 census. Due to growth in the Boise metropolitan area, Eagle has become increasingly suburban in recent years; the 2007 population estimate was 19,254.
Eagle is located at 43°41′35″N 116°20′47″W / 43.69306°N 116.34639°W / 43.69306; -116.34639 (43.693093, -116.346366), at an elevation of 2566 feet (782 m) above sea level.
According to the U.S. Census Bureau, the city has a total area of 9.3 square miles (24.0 km²), of which, 9.2 square miles (23.8 km²) of it is land and 0.1 square miles (0.2 km²) of it (0.97%) is water.