Kalmidih is a village in Lormi tehsil in district of Bilaspur, Chhattisgarh, India. As per the data provided by Census of India in 2011, total population of Kalmidih was 618 which includes 312 males and 306 females. Kalmidih covers 140.57 ha area. Pincode of Kalmidih is 495115.