West Columbia is a city located in South Carolina. With a 2020 population of 18,019, it is the 28th largest city in South Carolina and the 2017th largest city in the United States. West Columbia is currently growing at a rate of 0.55% annually and its population has increased by 20.22% since the most recent census, which recorded a population of 14,988 in 2010. Spanning over 9 miles, West Columbia has a population density of 2,025 people per square mile.
The average household income in West Columbia is $61,133 with a poverty rate of 17.37%. The median rental costs in recent years comes to $874 per month, and the median house value is $133,900. The median age in West Columbia is 39.9 years, 37.2 years for males, and 44.8 years for females. For every 100 females there are 96.1 males.