Marion is a city located in Kansas. With a 2020 population of 1,775, it is the 130th largest city in Kansas and the 8076th largest city in the United States. Marion is currently declining at a rate of -0.34% annually and its population has decreased by -7.89% since the most recent census, which recorded a population of 1,927 in 2010. Marion reached it's highest population of 1,927 in 2010. Spanning over 3 miles, Marion has a population density of 662 people per square mile.
The average household income in Marion is $47,906 with a poverty rate of 8.99%. The median rental costs in recent years comes to $603 per month, and the median house value is $76,500. The median age in Marion is 43.3 years, 42.6 years for males, and 45.2 years for females. For every 100 females there are 91.0 males.