At the time of the 2001 India census, Kumher had a population of 30,500. Males constitute 54% of the population and females 46%. Kumher has an average literacy rate of 84%, higher than the national average of 59.5%: male literacy is 95%, and female literacy is 75%. In Kumher, 90% of the population is under 6 years of age. Famous Kishori Mahals (Palaces), Jal Mahal's are in Kumher. Kumher is also part of Braj Bhumi includes Govardhan Parikrima and Punchri Ka Lotha. Famous Temples in Kumer are Satya Narain Mandir, Hanuman Mandir, Jaharbir Baba Mandir, Guru Gorakh Nath Mandir, Shaktidhaam Mandir, Man Santoshi Mandir, Man Jwala Devi Mandir, Shri Ganeshji Mandir.Luxminarain Mandir, Tapsi wale Hanuman Mandir.
There are branches of some nationalised banks in Kumher, and also has the automated teller machineof Two Pnb, Sbi, uco bank & Axis Bank .Banks having their branches at Kumher are Punjab National Bank, SBBJ, UCO Bank,ABAG Bank, & Axis bank.