The airport is mostly located in the census-designated place of Fort Snelling in an unincorporated portion of Hennepin County. Small sections of the airport are within the city limits of Minneapolis and Richfield. However, per Minnesota state law, the land on which the airport sits is not part of any city or school district. MSP covers 2,930 acres (1,186 ha) of land.
In 2017, Minneapolis–Saint Paul International Airport was the 17th busiest airport in the United States. The airport was named best Airport in North America among air terminals that serve 25 to 40 million passengers annually, the second largest category, in 2016, 2017 and 2018 by The Airports Council International. The airport generates an estimated $15.9 billion a year for the Twin Cities' economy and supports 87,000 workers.
MSP is the third largest hub airport for Delta Air Lines and its Delta Connection partners by passenger traffic. It also serves as the home airport for Minnesota-based Sun Country Airlines. Delta Air Lines and its regional affiliates account for about 70% of the airport's passenger traffic. The airport is operated by the Metropolitan Airports Commission, which also handles the operation of six smaller airports in the region.