Green Park is a city located in Missouri. With a 2020 population of 2,620, it is the 204th largest city in Missouri and the 6667th largest city in the United States. Green Park is currently declining at a rate of -0.15% annually and its population has decreased by -0.08% since the most recent census, which recorded a population of 2,622 in 2010. Green Park reached it's highest population of 2,666 in 2000. Spanning over 1 miles, Green Park has a population density of 1,995 people per square mile.
The average household income in Green Park is $74,463 with a poverty rate of 5.46%. The median rental costs in recent years comes to $886 per month, and the median house value is $157,900. The median age in Green Park is 45.9 years, 41.3 years for males, and 50.3 years for females. For every 100 females there are 85.1 males.