Edna is a city in Jackson County, Texas, United States. The population was 5,499 at the 2010 census. It is the county seat of Jackson County.Edna is the gateway to 11,000-acre Lake Texana, which covers the site of Texana, Texas. The city has a hospital, convalescent home, library, museum, city park with swimming pool, three banks, two savings and loan associations, a country club with a nine-hole golf course, and Oak Creek Village, a retirement community. It is the center of a prosperous agricultural area with petroleum and natural gas production and has an active chamber of commerce, oilfield service industries, and two grain elevators.The town was named after a daughter of Count Joseph Telfener - an Italian entrepreneur who was building a railroad from Rosenberg to Victoria. Other family members had towns named after them as well. While the railroad had the ambitious name of The New York, Texas and Mexican Railroad, it didn't originate in New York, nor did it reach Mexico.