Lanier, TexasLanier is an unincorporated community in Cass County, Texas, United States. According to the Handbook of Texas, the community had a population of 43 in 2000.HistoryThe area in what is known as Lanier today was first settled in the early 1870s.GeographyLanier is located on Texas State Highway 59, south of Linden in Cass County.EducationToday, the community is served by the Linden-Kildare Consolidated Independent School District.