Xinmin City, a county-level city under the jurisdiction of Liaoning Province, is managed by Shenyang City. It is located in the middle of Liaoning Province and the plain area in the lower reaches of Liaohe River. The area is 3318 square kilometers, accounting for about 1/4 of the total area of Shenyang. It has jurisdiction over 4 townships, 20 towns and 4 streets; There is a provincial economic and technological development zone. According to the data of the seventh census, as of 0:00 on November 1, 2020, the permanent resident population of Xinmin is 565634.

Xinmin City connects Shenbei New District and Yuhong District of Shenyang City in the east; It is adjacent to Liaozhong District in the south; It borders Heishan County in the west; Zhangwu County and Faku County to the north; The northwest corner is adjacent to Fuxin County. It is 76 kilometers away from Shenyang, the provincial capital. There are Xinmin Sannong Expo Park, Pearl Lake Wetland Nature Reserve, Fairy Island Wetland Park and other scenic spots in the territory.

In 2020, the regional GDP will reach 25.79 billion yuan, up 5.4% year on year.

In November 2015, it was listed as the second batch of national comprehensive pilot areas for new urbanization.