What is population of columbia tennessee?

As an AI language model, I do not have access to real-time data or statistics. However, according to the U.S. Census Bureau's 2019 estimates, the population of Columbia, Tennessee, was 39,376. It is the county seat of Maury County and the largest city in the county. The city is located about 45 miles southwest of Nashville and is considered a part of the Nashville metropolitan area. The population has grown steadily over the past decade and is projected to continue to grow in the coming years. The city has a diverse economy with major employers in healthcare, manufacturing, and retail, among others. Columbia is also home to several well-known annual events such as the Mule Day festival, the Spring Hill Country Ham Festival, and the Columbia Christmas Parade.