Kenedy County is a county situated in the state of Texas. It is the third-least populous county in Texas and the fourth-least-populous county in the U.S. Sarita is the county seat of Kenedy County. The county was formed in 1921 from portions of Willacy and Hidalgo Counties. The county was named for Mifflin Kenedy who was a steamboat operator and an early rancher of the area. Hurricane Bret hit the county in 1999, but the damage was minimal because of the county’s low population. The King’s Ranch covers a large part of the county.