Palmer is a town in Ellis County, Texas, United States. It is part of the Dallas–Fort Worth metroplex. Its population was 2,393 in 2020.

Ellis County is a county located in the U.S. state of Texas. As of 2020, its population was estimated to be 192,455. The county seat is Waxahachie. The county was founded in 1849 and organized the next year. It is named for Richard Ellis, president of the convention that produced the Texas Declaration of Independence. Ellis County is included in the Dallas–Fort Worth–Arlington metropolitan statistical area.