Kuna is a city in Ada County, Idaho, United States. It is part of the Boise City–Nampa, Idaho Metropolitan Statistical Area. The population was 15,210 at the 2010 census
Kuna is one of the fastest-growing areas in Idaho state, having more than doubled in population since 2000.
Kuna is located at 43°29′35″N 116°25′8″W / 43.49306°N 116.41889°W / 43.49306; -116.41889 (43.493092, -116.418936). Kuna's business center is approximately 18 miles (40 km) from Boise, the state capital.