median age in columbia
PEOPLE OVERVIEW : The 2016 Columbia, Missouri, population is 119,108. There are 1,866 people per square mile (population density). Family in Columbia, Missouri. The median age is 26.6. The US median is 37.4. 38.66% of people in Columbia, Missouri, are married. 8.70% are divorced. The average household size is 2.34 people. 36.61% of people are married, with children. 16.22% have children, but are single. Race in Columbia, Missouri. 76.54% of people are white, 10.47% are black, 5.45% are asian, 0.09% are native american, and 0.28% claim 'Other'.