It is under the administration of Chifeng City, 165 kilometres (103 mi) to the south-southeast.

Linxi County is made up of 2 subdistricts, 7 towns and 2 townships.

Other: Inner Mongolia Linxi Industrial Park (内蒙古林西工业园区) Linxi County has a dry, monsoon-influenced humid continental climate (Köppen Dwb), with very cold and dry winters, hot, somewhat humid summers, and strong winds, especially in spring.

The monthly 24-hour average temperature ranges from −13.6 °C (7.5 °F) in January to 21.6 °C (70.9 °F) in July, with the annual mean at 5.17 °C (41.3 °F).

The annual precipitation is about 370 millimetres (14.6 in), with more than half of it falling in July and August alone.