Marion is a city located in Louisiana. With a 2020 population of 732, it is the 198th largest city in Louisiana and the 11694th largest city in the United States. Marion is currently declining at a rate of -0.81% annually and its population has decreased by -4.31% since the most recent census, which recorded a population of 765 in 2010. Marion reached it's highest population of 766 in 2010. Spanning over 3 miles, Marion has a population density of 228 people per square mile.
The average household income in Marion is $42,062 with a poverty rate of 28.53%. The median rental costs in recent years comes to $475 per month, and the median house value is $75,300. The median age in Marion is 45.4 years, 48.7 years for males, and 40.9 years for females. For every 100 females there are 78.4 males.