Marion is a city located in Crittenden County Arkansas. It is also the county seat of Crittenden County. With a 2020 population of 12,190, it is the 32nd largest city in Arkansas and the 2685th largest city in the United States . Marion is currently declining at a rate of -0.49% annually and its population has decreased by -1.26% since the most recent census, which recorded a population of 12,345 in 2010. Marion reached it's highest population of 12,538 in 2010. Spanning over 20 miles, Marion has a population density of 601 people per square mile.
The average household income in Marion is $81,121 with a poverty rate of 8.66%. The median rental costs in recent years comes to $859 per month, and the median house value is $153,900. The median age in Marion is 34.8 years, 31.9 years for males, and 36.9 years for females.