Khanpur is a city and Tehsil of the Rahim Yar Khan District of Bahawalpur Division, in the Punjab province of Pakistan.Language and DemographyAccording to the census of 1998, the city population was 117,764 with an annual growth rate of 2.6%. As of 2009, the recorded population of Khanpur was 156,152.ClimateKhanpur has a hot desert climate (Köppen climate classification BWh) with hot summers and mild winters. Rainfall is low, but some rain does fall in the monsoon season from July to September.