Koderma district, a part of the North Chotanagpur division is a district of Jharkhand state with its administrative headquarters located at Kodarma city. Koderma district was emerged as a separate on the map of Jharkhand in the year 1999. Currently, it is a part of the red corridor. During the medieval age, the place was ruled by Muslim rulers for a long time. People of the district played a significant role in the Indian Independence Movement.
Geographically, the district lies at 24°47'N latitude and 85°60'E longitude. The altitude in the district is 397 m. In the year 2019, there was a total 40.29% forest area of total geographical area. The district encompasses a geographical area of 2,540 sq. km. and it is bounded by Bihar on the North, Hazaribagh district on the South and West and Giridih District on the East. The climate of the district is moderately hot and humid. Most its rainfall occurs in the monsoon season. The actual rainfall in the district was 121.3 mm in the year of 2019-20. Barakar river, flows from west to east in the southern part of the district and Sakri river, flows from south east to northwest in the northern part of the district are the two most prominent rivers in the district. The district is also rich in a great variety of fauna and flora. Koderma Reserve Forest in the district occupies its northern portion of area.
Administration wise, the district is divided into 6 blocks namely Koderma Block, Jainagar Block, Chandwara Block, Markachho Block, Domchanch Block and Satgawan Block. It comprises 5 towns and 699 villages. The administrative language in the district is Hindi.
According to 2011 census the district has a population of 7,16,259 out of which 3,67,222 are males and 3,49,037 are females. The district has a sex ratio of 950 (females for every 1000 males). During the year 2001-2011 the population growth rate in the district was 43.42% including 47.15% were males and 39.70% were females. As per 2011 census the major religion in the district is Hindu with 84.49% of the total population. The population density in the district is 282 (persons per sq. km). As per 2011 census the principal language in the district is Hindi with 94.17%. In the year 2018 the number of live births in the district was 20,913 including 11,360 were males and 9,553 were females. In the same year the number of deaths in the district was 1,791 including 1,111 were males and 680 were females.
The economy of the district is mainly dependent on both the agricultural and industrial sectors. Most of the lands in the district are use for agricultural purposes. More than half of its population are engaged in agricultural activities in order to earn their livelihood. The chief agricultural products in the district are maize, pulses, radish, tomato, potato, wheat, mustard, linseed, etc. The adoption of the new agricultural technologies amongst the famers of the district helps to increase the production of various agricultural items. Every year a huge chunk of revenue comes from the agricultural products in the district helps in its economy to a great extent. Industrially, also the district is quite well developed. The district is blessed with a huge variety of natural resources. Once upon a time Koderma was considered as the mica capital of India. Koderma has the largest deposits of mica in the world. In 2006 the Indian government declared Koderma as one of the country's 250 most backward districts and currently receiving funds from the Backward Regions Grant Fund Programme (BRGF). In the year 2008-2009 the gross domestic product in the district was Rs. 1,33,185 lakh at current price and Rs. 95,797 lakh at constant prices in the year 1999-2000. The net domestic product in the district during the period 2008-09 was Rs. 1,18,262 lakh at current price and Rs. 88,601 lakh at constant prices in the year 1999-2000. The Per Capita Income or NDDP, At Factor Cost in the district during the period 2008-09 was Rs. 20,964 lakh at current price and Rs. 15,706 lakh at constant price in the year 1999-2000.
The district is well known as an abode of several reputed educational institutions. It provides a platform for higher education. Some of its recognised educational institutions are Ramgovind Institute of Technology, Jagannat Jain College, Jeevan Jyoti School, Koderma High School, Sainik School, Kailash roy Saraswati vidya Mandir, Adarsh Madhya Vidyalaya, Grizzly Vidyalaya, Saraswati Shishu Mandir, Gandhi High School, Rameshwar Modi Mahadeo Modi High School, etc. As per 2011 census the literacy rate in the district is 66.84% including 79.78% are males and 53.23% are females. The total number of literates in the district is 3,90,249 out of which 2,38,780 are males and 1,51,469 are females.
The district has several centres of attraction which allures many travellers from different parts of the country as well as world. Tilaiya Dam, the first Dam and hydro-Electric power station constructed by Damodar Valley Corporation across the Barakar River in the Koderma district. The length and height of the dam is 1200 ft and 99 ft, situated in a beautiful place surrounded by another mesmerising reservoir. Dhwajadhari Hill, located at a distance of few km. from the Tilaiya dam where one can enjoy boating and other water sports. Satagawan Petro Falls, situated at a place called Satgawan is surrounded by petro-falls in the dense forest. Makamaro Hills, situated near the place, Dhab in the district has some religious place. Moreover, an interesting mythological story is also associated with the place. According to the story, Parsuram had killed his mother and three brothers here on instruction of his father. Some other notable places of interest in the district are Shaktipeeth Maa Chanchala Devi, Saint Paramhans Baba Tomb and many more.