Sarnau is a village in Sanchore tehsil in district of Jalor, Rajasthan, India. As per the data provided by Census of India in 2011, total population of Sarnau was 4,783 which includes 2,467 males and 2,316 females. Sarnau covers 2330.66 ha area. Pincode of Sarnau is 343040.