Karoiguir is a village in Samaguri tehsil in district of Nagaon, Assam, India. As per the data provided by Census of India in 2011, total population of Karoiguir was 4,075 which includes 2,060 males and 2,015 females. Karoiguir covers 322.5 ha area. Pincode of Karoiguir is 782140.