Dexter is an unincorporated community in Cooke County, Texas, United States.

On September 8, 1986, an Amoco gas condensate pipeline leaked.14 people were injured.

[2][3] The Washington House on Sycamore Creek Ranch in the community was listed on the National Register of Historic Places.

[4] Dexter is located on Farm to Market Road 678 near the Red River, 25 mi (40 km) northeast of Gainesville, 8.7 mi (14.0 km) east-northeast of Callisburg, and 11.5 mi (18.5 km) west-northwest of Whitesboro in extreme northeastern Cooke County.

[6] Today, Dexter is served by the Whitesboro Independent School District.