Glennville (formerly, Glenville and Linn's Valley) is an unincorporated community in Kern County, California. It is located 30 miles (48 km) north-northeast of Bakersfield, at an elevation of 3176 feet (968 m). The Linn's Valley post office opened in 1860, changed its name to Glenville in 1872, and closed in 1874. The Glennville post office opened in 1874. The name honors James M. Glenn, blacksmith and early settler. Glennville became the trading center for the surrounding valley after the decline of Lavers' Crossing.