Blood & Biohazard Cleanup Near Downtown Denison Denison, TX

Denison was founded in 1872 alongside the Missouri–Kansas–Texas Railroad — the 'Katy' — and was named after George Denison, a wealthy vice president of the railroad.

Denison boomed so fast as the first rail stop south of the Red River that it had more than 3,000 residents and incorporated by the summer of 1873, just a year after the townsite was laid out.

Denison is the birthplace of Dwight D. Eisenhower, the 34th president of the United States, who was born there on October 14, 1890, in a frame house by the railroad tracks where his father worked as a Katy engineer.

Eisenhower's birthplace home, bought by local residents in 1946 and restored to its original appearance, is now preserved as the Eisenhower Birthplace State Historic Site, a three-acre site with a museum.

Denison sits in Grayson County just one mile south of the Texas–Oklahoma border and the Red River, and it is one of the two principal cities of the Sherman–Denison metropolitan area in the Texoma region.

Denison had 24,479 residents at the 2020 census, up from 22,682 in 2010.

Denison has about 10,386 households, but only about 59 percent of its homes are owner-occupied, and the median owner-occupied home value is about $180,900.

Denison is home to Grayson College, a public community college on Grayson Drive that is the largest college in the Sherman–Denison area.

Denison Dam, which impounds the 89,000-acre Lake Texoma on the Red River, is about five miles northwest of the city, and Eisenhower State Park sits on the lake's shore near Denison.