West Columbia is a city located in South Carolina. With a 2020 population of 18,056, it is the 28th largest city in South Carolina and the 2012th largest city in the United States. West Columbia is currently growing at a rate of 0.16% annually and its population has increased by 20.47% since the most recent census, which recorded a population of 14,988 in 2010. West Columbia reached it's highest population of 18,056 in 2021. Spanning over 9 miles, West Columbia has a population density of 2,029 people per square mile.
The average household income in West Columbia is $64,733 with a poverty rate of 15.64%. The median rental costs in recent years comes to $865 per month, and the median house value is $142,800. The median age in West Columbia is 42.1 years, 37.8 years for males, and 46.6 years for females. For every 100 females there are 92.6 males.