Kleberg County is a county in the U.S. state of Texas. As of the 2020 census, its population was 31,040. The county seat is Kingsville. The county was organized in 1913 and is named for Robert J. Kleberg, an early settler.

Kingsville is a city in the southern region of the U.S. state of Texas and the county seat of Kleberg County. Located on the U.S. Route 77 corridor between Corpus Christi and Harlingen, Kingsville is the principal city of the Kingsville Micropolitan Statistical Area, which is part of the larger Corpus Christi-Kingsville Combined Statistical Area. The population was 25,402 at the 2020 census, and in 2022 the U.S. Census Bureau estimated the population at 24,833.