Jackson County is a county in the U.S. state of Texas. As of the 2020 census its population was 14,988. Its county seat is Edna. The county was created in 1835 as a municipality in Mexico and in 1836 was organized as a county. It is named for Andrew Jackson, President of the United States from 1829 to 1837.

Edna is a city and the county seat of Jackson County, Texas, United States. The population was 5,499 at the 2010 census and 5,987 at the 2020 census.