Umar Jhonka is a village in Kushalgarh tehsil in district of Banswara, Rajasthan, India. As per the data provided by Census of India in 2011, total population of Umar Jhonka was 549 which includes 279 males and 270 females. Umar Jhonka covers 341 ha area. Pincode of Umar Jhonka is 327801.