FAIRMONT, a city of southern Minnesota, U.S.A., 120m. S.W. of Minneapolis ; the county seat of Martin county. It is on Federal highway 16, and is served by the Chicago and North Western and the Chicago, Milwaukee, St. Paul and Pacific rail ways. The population was 4,63o in 1920 (88% native white) and was 5,521 in 1930 by the Federal census. It is the trade centre for a farming, dairying and poultry-raising region, is a summer resort, and has sundry manufacturing industries. The city was founded about 1866 and incorporated in 1886.