Pleasanton sits in the rolling brush country of northern Atascosa County, where the Atascosa River and Bonita Creek come together roughly 30 miles south of San Antonio. Founded in 1858 and established as the county seat, the city grew out of the South Texas cattle kingdom that flourished in the decades after the Civil War. Longhorn herds grazed the river's oak-dotted bottomlands before being assembled for the great cattle drives north, and the community still honors that era with its "Birthplace of the Cowboy" nickname and an annual Cowboy Homecoming festival that dates to the mid-1960s. The local economy blends traditional agriculture and ranching with energy development tied to the Eagle Ford Shale, which runs beneath much of South Texas. That oil-and-gas activity drew workers and businesses to the region in the 2010s and reinforced Pleasanton's role as a retail and service hub for the surrounding ranch country. At the same time, the city functions as a commuter community for San Antonio, with a substantial share of residents traveling north along US 281, SH 97, and Interstate 37 to jobs across the metro area. Pleasanton's identity remains small-town and distinctly western. The county fair, livestock and rodeo events, and hunting traditions keep the ranching heritage close to daily life, while the city's schools, hospital access in nearby Jourdanton, and growing commercial corridors make it a practical base for families. Downtown Pleasanton retains a traditional courthouse-square layout, with local shops, restaurants, and government offices serving as the community's center of gravity, and newer retail development clustering along the main highway corridors. For newcomers, Pleasanton offers the combination of rural acreage, a functioning downtown, and a manageable drive to San Antonio's job centers and amenities — a profile that appeals to ranch-oriented buyers, energy-sector workers, and families who want small-town schools with metro access.