Koiria Jagir is a village in Paroo tehsil in district of Muzaffarpur, Bihar, India. As per the data provided by Census of India in 2011, total population of Koiria Jagir was 714 which includes 367 males and 347 females. Koiria Jagir covers 159 ha area. Pincode of Koiria Jagir is 843112.