Garden City is a city located in Nassau County New York. With a 2020 population of 22,364, it is the 40th largest city in New York and the 1703rd largest city in the United States . Garden City is currently declining at a rate of -0.20% annually and its population has decreased by -0.03% since the most recent census, which recorded a population of 22,371 in 2010. Garden City reached it's highest population of in . Spanning over 5 miles, Garden City has a population density of 4,197 people per square mile.
The average household income in Garden City is $239,817 with a poverty rate of 2.41%. The median rental costs in recent years comes to $3,342 per month, and the median house value is $860,000. The median age in Garden City is 43 years, 42 years for males, and 44 years for females.