Rocky Mountain Metropolitan Airport is a public-use airport located in Broomfield, Colorado, United States. The airport is owned and operated by Jefferson County and is situated midway between Denver and Boulder on U.S. Highway 36. It is located 16 miles (26 km) northwest of the central business district of Denver, and is the closest airport to downtown Denver. The airport covers 1,700 acres (688 ha) and has three runways. Formerly known as Jefferson County Airport or Jeffco Airport, the airport was renamed Rocky Mountain Metropolitan Airport on October 10, 2006, although it is sometimes referred to as Rocky Mountain Regional Airport, e.g., on 2007–2012 county planning documents.

Broomfield is a consolidated city and county located in the U.S. state of Colorado. It has a consolidated government which operates under Article XX, Sections 10–13 of the Constitution of the State of Colorado. Broomfield's population was 74,112 at the 2020 United States Census, making it the 15th most populous municipality and the 12th most populous county in Colorado. Broomfield is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area and the Front Range urban corridor.