Ada County, Idaho
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Ada County is located in the southwestern part of Idaho, United States. As of the 2020 census, the county had a population of 494,967, which by 2025 was estimated to have risen to 546,141. Ada County
James A. McClure Federal Building and U.S. Courthouse in Boise, Idaho
Garden City, Idaho
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Garden City is a city in Ada County, Idaho. The population was 12,316 at the time of the 2020 census. Garden City is nearly surrounded by Boise but retains a separate municipal government.
Garden City as seen with downtown Boise in the background.
Joan Jett concert at the nearby Expo Idaho, 2017