Gallatin is a city located in Sumner County Tennessee. It is also the county seat of Sumner County. With a 2020 population of 47,534, it is the 16th largest city in Tennessee and the 833rd largest city in the United States . Gallatin is currently growing at a rate of 5.10% annually and its population has increased by 56.99% since the most recent census, which recorded a population of 30,278 in 2010. Gallatin reached it's highest population of in . Spanning over 32 miles, Gallatin has a population density of 1,494 people per square mile.
The average household income in Gallatin is $82,193 with a poverty rate of 11.74%. The median rental costs in recent years comes to $962 per month, and the median house value is $222,800. The median age in Gallatin is 39.1 years, 37.8 years for males, and 41.8 years for females.