The Las Vegas Metropolitan Police Department (also known as the LVMPD or Metro) was formed by merging the City of Las Vegas Police Department with the Clark County Sheriff's department. The department is run by the Sheriff, who is elected every four years. The Department is funded by the City of Las Vegas and Clark County.

This department provides law enforcement services for all of Clark County, including the City of Las Vegas, with the following exceptions:

• Boulder City Police Department in Boulder City
• Clark County Park Police in all Clark County parks
• Clark County School Police on Clark County School District property
• Henderson Police Department in Henderson
• Las Vegas Marshal's Department which delivers warrants in the City of Las Vegas and provides enforcement activities on City property
• Mesquite Police Department in Mesquite
• Nevada Higway Patrol is responsible for the interstate highways and state highways in Clark County
• North Las Vegas Police Department in North Las Vegas
• Paiute Tribal Police on the two Paiute Indian reservations
• UNLV Police Services on University of Nevada, Las Vegas campuses and sports facilities