Percilla, also known as Evergreen, is an unincorporated community in Houston County, Texas, United States. According to the Handbook of Texas, the community had a population of 95 in 2000. Percilla is located at the intersections of Farm to Market Roads 2022 and 228, 6 mi northeast of Grapeland, 18 mi northeast of Crockett, 7 mi south of Slocum, and 4 …Percilla, also known as Evergreen, is an unincorporated community in Houston County, Texas, United States. According to the Handbook of Texas, the community had a population of 95 in 2000. Percilla is located at the intersections of Farm to Market Roads 2022 and 228, 6 mi northeast of Grapeland, 18 mi northeast of Crockett, 7 mi south of Slocum, and 4 mi west of Waneta in north-central Houston County.