Lawrence County Sheriff's Office

Lawrence County Sheriff's Office serves Mount Vernon, MO. These three words are the foundation of law enforcement. As Sheriff, I promise to you that this Office will commit to doing just that. We are here to serve you, the citizens of Lawrence County." - Sheriff Brad DeLay About Lawrence County Lawrence County, Missouri is located in southwest Missouri which is also referred to as the Ozarks. The county was organized February 14, 1845, although settlers first began moving into the territory as early as 1831. The county was named after Captain James Lawrence who was killed in the War of 1812. Lawrence County is approximately 625 square miles with a population of just under 40,000. It borders seven other counties in southwest Missouri and is located in between two much larger counties with Jasper County to the west and Greene County to the east. Lawrence County is primarily a rural county with many family owned and operated farms which produce a variety of livestock and crops. Non-emergency: (888) 635-8477. Dial 911 for emergencies.