Chhaosari is a village in Udaipurwati tehsil in district of Jhunjhunun, Rajasthan, India. As per the data provided by Census of India in 2011, total population of Chhaosari was 6,226 which includes 3,223 males and 3,003 females. Chhaosari covers 1636 ha area. Pincode of Chhaosari is 333012.