Waxahachie is the county seat of Ellis County, Texas, United States. Its population was 41,140 in 2020. Waxahachie is a vibrant, authentic small town Texas community and the “Crape Myrtle Capital of Texas!” Each summer, the city’s historic streets are lined with hundreds of beautiful pink crape myrtles in full bloom, celebrated by the Crape Myrtle Festival in July.