Garden City is a city located in Ada County Idaho. With a 2020 population of 12,167, it is the 21st largest city in Idaho and the 2691st largest city in the United States . Garden City is currently growing at a rate of 0.82% annually and its population has increased by 10.89% since the most recent census, which recorded a population of 10,972 in 2010. Garden City reached it's highest population of 12,167 in 2021. Spanning over 4 miles, Garden City has a population density of 2,982 people per square mile.
The average household income in Garden City is $71,494 with a poverty rate of 13.78%. The median rental costs in recent years comes to $907 per month, and the median house value is $238,100. The median age in Garden City is 48.7 years, 47.4 years for males, and 49.5 years for females.