Columbia is a city located in Tennessee. With a 2020 population of 41,508, it is the 19th largest city in Tennessee and the 944th largest city in the United States. Columbia is currently growing at a rate of 2.64% annually and its population has increased by 19.69% since the most recent census, which recorded a population of 34,681 in 2010. Spanning over 33 miles, Columbia has a population density of 1,259 people per square mile.
The average household income in Columbia is $56,044 with a poverty rate of 18.01%. The median rental costs in recent years comes to $831 per month, and the median house value is $137,800. The median age in Columbia is 36.8 years, 35.6 years for males, and 38.5 years for females. For every 100 females there are 87.0 males.