Columbia is a city located in Marion County Mississippi. It is also the county seat of Marion County. With a 2020 population of 5,697, it is the 59th largest city in Mississippi and the 4418th largest city in the United States . Columbia is currently declining at a rate of -1.21% annually and its population has decreased by -13.45% since the most recent census, which recorded a population of 6,582 in 2010. Columbia reached it's highest population of 7,733 in 1980. Spanning over 7 miles, Columbia has a population density of 843 people per square mile.
The average household income in Columbia is $41,193 with a poverty rate of 35.89%. The median rental costs in recent years comes to $611 per month, and the median house value is $83,900. The median age in Columbia is 37 years, 33.7 years for males, and 39 years for females.