General.. The population is 13,065 and the altitude is 3,668

Named after Louis Dumas, president of townsite company that founded this set of Moore County in 1892. Oil discovered in 1926. In the heart of nation’s largest grain sorghum producing area, center of one of world’s largest natural gas fields, producer of two thirds of the nations’ helium. Recreation areas include eight city parks, scenic beauty in rugged canyons and hills of Canadian River brakes. Nearby Lake Meredith offers fishing, boating, swimming and water skiing.

Texoma (municipal) RV Park with 20 -25 spaces - free for the first night. Electric and water hookups, dump station, nighttime security patrols. U.S, 87 west within the city limits.


- Local history exhibits, memorabilia donated by pioneer families, wildlife displays, and Indian artifacts. Room setting include a pioneer kitchen, a country store, and a one room school. Housed in former hotel at 8th and Dumas Avenue.