Sialmaripathar is a village in Dhekiajuli tehsil in district of Sonitpur, Assam, India. As per the data provided by Census of India in 2011, total population of Sialmaripathar was 463 which includes 244 males and 219 females. Sialmaripathar covers 170.76 ha area. Pincode of Sialmaripathar is N/A.