[2] It was founded in 1886 and was named in honor of David Sinton, a influential business owner and rancher.

[7] According to the United States Census Bureau, the city has a total area of 2.2 square miles (5.7 km2), all land.

The climate in this area is characterized by hot, humid summers and generally mild to cool winters.

[8] As of the 2020 United States census, there were 5,504 people, 1,756 households, and 1,199 families residing in the city.

[14] In 1954 the Welder Wildlife Refuge was established on 7800 acres approximately seven miles north-west of Sinton.

The team hired star college players for the summer and gave them jobs in the field, gas plant, and office.

In the spring of 1958, the Plymouth Oil Company, citing economic conditions, ended its support of the Oilers, and the team disbanded.