[4] Pleasanton's official motto is "The City of Live Oaks and Friendly Folks."

Pleasanton was established in 1858 when conflicts with the Native Americans caused the settlers to move the location of the county seat from Amphion.

The settlers chose the current townsite because of its location at the mouth of Bonita Creek.

According to the United States Census Bureau, the city has a total area of 8.5 square miles (22 km2), all land.

Most soils of Pleasanton are quite sandy at the surface but have a clay-rich subsoil that holds moisture.

[10] As of the 2020 United States census, there were 10,648 people, 3,462 households, and 2,558 families residing in the city.

[citation needed] Every year in October, Pleasanton hosts the "Cowboy Homecoming Festival", which commemorates the time when the cowboys driving cattle from South Texas to the railheads up north would return home.

The school district received an Acceptable rating for their junior high and Exceptional for the elementary and primary campuses.

Under the current Texas accountability system, on a A-F rating scale, Pleasanton I.S.D.

Coastal Bend College of Beeville maintains a branch two-year campus in Pleasanton.