Boerne is a city in and the county seat of Kendall County, Texas, United States, in the Texas Hill Country. Boerne is known for its German-Texan history, named in honor of German author and satirist Ludwig Börne by the German Founders of the town. The population of Boerne was 10,471 at the 2010 census, and in 2019 the estimated population was 18,232. The city is noted for the landmark U.S. Supreme Court case City of Boerne v. Flores.