The annual average temperature is 23 °C and the district receives an annual average rainfall of 1000–1200 mm. Politics |} Economy The net sown area is only 55% of the total area of the district. Two blocks i.e. Kisko and Senha have large area under dense forest cover. The forest cover is around 32-35% of the total area of the district. The average land holding per household is 1.65 Ha. The per capita agriculture land is around 0.28 Ha. Net irrigated area is 13.4% of net sown area (0.8% by canals, 7% by wells, 2% by tanks & 3.6% by lift irrigation and others). In 2006 the Indian government named Lohardaga one of the country's 250 most backward districts (out of a total of 640). It is one of the 21 districts in Jharkhand currently receiving funds from the Backward Regions Grant Fund Programme (BRGF). Administration Lohardaga district consists of 7 blocks. The following are the list of the blocks in Lohardaga district: Demographics According to the 2011 census, Lohardaga district has a population of 461,790, roughly equal to the nation of Suriname. This gives it a ranking of 549th in India (out of a total of 640). The district has a population density of . Its population growth rate over the decade 2001-2011 was 26.67%. Lohardaga has a sex ratio of 985 females for every 1000 males, and a literacy rate of 68.29%. Schedule Castes and Scheduled Tribes make up 3.32% and 56.89% of the population respectively. Other religions (mainly Sarna) are most practiced by 51.10% of the population. Hindus are 24.34%, Islam is 20.57% and Christianity is 3.63%. Languages At the time of the 2011 Census of India, 38.96% of the population in the district spoke Kurukh, 33.17% Sadri, 13.87% Urdu and 12.50% Hindi as their first language. Other languages spoken here includes Asuri, a Munda language spoken by approximately 17,000 people. Education and health services There are 318 primary schools, 68 middle schools, 20 High schools, 2 higher secondary schools and two degree colleges and one degree college for girls in the district. Dr.(Mrs) Mukul Rani Singh one of the eminent educationists in Jharkhand was amongst the first few ladies to come to Lohardaga in early 1960s. She served with B.S. College as Head of Department till mid 1990s. Her stay in Lohardaga made a significant impact on the psyche of the locals and promoted girl deucation