Boerne is a city in and the county seat of Kendall County, Texas, United States, in the Texas Hill Country. Founded in 1849 as Tusculum, German settlers changed its name to Boerne, in honor of author and satirist Ludwig Börne, when it was platted in 1852. Boerne is known for its German-Texan history. Its population was 10,471 at the 2010 census, and in 2020 the population was 17,850. The city is noted for the landmark U.S. Supreme Court case City of Boerne v. Flores.