Garden City is a city in Ada County, Idaho, United States. The population was 10,972 at the 2010 census. Garden City is nearly surrounded by Boise but retains a separate municipal government.
Garden City was named for gardens raised by Chinese immigrants who lived in the area. The name of the city's only main street, Chinden Boulevard, is a portmanteau of the words "China" and "garden." In the second decade of the 21st century, it became a haven for artists' studios.
Garden City is part of the Boise City–Nampa, Idaho Metropolitan Statistical Area.
Garden City is located at 43°38′44″N 116°15′58″W (43.645561, -116.266132), at an elevation of 2674 feet (815 m) above sea level.
According to the United States Census Bureau, the city has a total area of 4.17 square miles (10.80 km2), of which 4.04 square miles (10.46 km2) is land and 0.13 square miles (0.34 km2) is water.
At the 2010 census there were 10,972 people, 4,878 households, and 2,849 families living in the city. The population density was 2,715.8 inhabitants per square mile (1,048.6/km2). There were 5,429 housing units at an average density of 1,343.8 per square mile (518.8/km2). The racial makeup of the city was 86.2% White, 1.0% African American, 1.1% Native American, 1.4% Asian, 0.1% Pacific Islander, 7.1% from other races, and 3.1% from two or more races.