Brooks County is a county in Texas, United States, and Falfurrias is its county seat. Its population was 7,076, approximately 88% Latino per the 2020 census. It is one of Texas's poorest counties. The county is named for James Abijah Brooks, one of the “Four Captains” who modernized the Texas Rangers. He retired to Falfurrias, served two terms as state representative, lobbied successfully for the county's creation, and served thirty years as county judge.