Delta County is located in the northeastern corner of Texas, with a total area of 870 square miles. The county seat of Delta County is Cooper. As of 2019, Delta County had an estimated population of 5,844 people.

Delta County is governed by a four-member Commissioners' Court. The county judge presides as the chief administrator and is elected every four years. The other three commissioners serve four-year staggered terms. The county operates under the general Texas statutes, the Texas Constitution, and the Commissioners' Court. County government departments include the County Judge, County Clerk, Tax Assessor-Collector, District Clerk, County Treasurer, Sheriff's Office, and Emergency Management. Other county services include voting, court services, road and bridge maintenance, and animal control.

Delta County is home to the Hagerman National Wildlife Refuge, a protected area of 8,008 acres that is home to many species of birds, mammals, and fish.

Delta County is home to a variety of recreational activities, including camping, fishing, hunting, and bird watching.

For the most up-to-date and in-depth information, please check the public records links below.