Glenn is an unincorporated community in Glenn County, California. It lies at an elevation of 98 feet (30 m). The town is located on the Sacramento River, at the intersection of State Route 45 and State Route 162. It is about ten miles (16 km) east of Interstate 5 and Willows on the U.S. Geological Survey 7.5-minute quadrangle, Glenn, California. The U.S. Geological Survey, National Geographic Names Database, calls its existence official with a feature ID of 1658621 and lists the NAD27 coordinates of the community as . The ZIP Code, shared with Ordbend and Bayliss, is 95943. The community is inside area code 530. This area is flagged as rural by the U.S. Census Bureau.