Pleasanton is a city in Atascosa County, Texas, United States. The population was 8,934 at the 2010 census. Pleasanton’s official motto is “The City of Live Oaks and Friendly Folks.” It is portion of the San Antonio-New Braunfels Metropolitan Statistical Area.

Pleasanton honors its cowboy heritage when the “Mr. Cowboy” sculpture in stomach of City Hall and across from the giant oak tree downtown. The roots of the cattle kingdom can be traced to Atascosa County in the 1860s, which calls itself “the birthplace of the cowboys.” The sculpture is a present from Ben and Mona Parker. The Longhorn Museum in east Pleasanton on Highway 97 contains artifacts and memorabilia of the cowboy years. The Cowboy Homecoming, begun in 1966, is an annual concern held at the Atascosa River Park in Pleasanton.

Pleasanton was conventional in 1858 past conflicts taking into consideration the Native Americans caused the settlers to have emotional impact the location of the county seat from Amphion. The settlers chose the current townsite because of its location at the mouth of Bonita Creek. John Bowen (died 1867), San Antonio’s first Anglo-American postmaster, founded and named the town of Pleasanton after his good buddy and fellow ahead of time Texas Settler John Pleasants.

At one epoch Pleasanton had two newspapers, the Pleasanton Picayune, which became the Pleasanton Express in 1909, and the Pleasanton Reporter. The county seat was relocated from Pleasanton to Jourdanton in 1910. Pleasanton was incorporated in 1917.