The Kleberg County Jail is a full service detention center dedicated to serving the citizens of Kleberg County. The KCSO jail is located on 1500 E. King Ave. in Kingsville TX right next to the city police station. The KCSO jail maintains a blog of all processed persons and events on Wordpress. To visit the KCSO Wordpress blog click on the Wordpress icon at the bottom of this page. The Mission of the KCSO jail is to provide a safe and secure facility that protects not only the community but those being held there as well.