Siping, formerly Sipingjie, is a prefecture-level city in the west of Jilin province, People's Republic of China. It has a total population of 1,81…Siping, formerly Sipingjie, is a prefecture-level city in the west of Jilin province, People's Republic of China. It has a total population of 1,814,733 inhabitants, as of the 2020 census. Siping covers an area of 14,323 km² and is located in the middle of the Songliao Plain, near the border with Liaoning and Inner Mongolia provinces.