As of March 31, 2024, the City of Sacheon's total population is 112,941, with 108,943 locals and 3,998 foreigners comprising of 58,242 males and 54,699 females.
The geographical area is 398.79㎢, occupying 3.78% of the 10,540.55㎢ area of Gyeongsangnam-do. It is the 16th largest city in Gyeongsangnam-do Province.