Linfen County is a small Chinese county in Shanxi province. Its main city is Linfen city, previously called Pingyang, population 680,000. Hukou falls on the Yellow River is in this county. Coordinates are 35ú23â to 36ú37âÂÂ, eastern longitude from 110ú22â to 112ú34. Shanxi Teachers' University is in Linfen.