As of December 31, 2015, the City of Sacheon's total population is 118,566, with 115,452 locals and 3,114 foreigners comprising of 60,378 males and 58,188 females.
The geographical area is 398.62㎢, occupying 3.8% of the 910,539.97㎢ area of Gyeongsangnam-do. It is the 16th largest city in Gyeongsangnam-do Province.