Khagaria district, a part of Munger division is a district of Bihar state with its administrative headquarters located at Khagaria town. Khagaria district came into existence in the year 1988. Khagaria is also referred to as Farakiya by the local populace. Natives of the district believe that around five hundred years ago, Akbar, the great Mughal Emperor wanted his Revenue Minister, Todarmal, to put his entire empire on map. But Todarmal found it difficult to penetrate this region due to the densely forested land, rivers and generally difficult ground area. For this very reason he called the place Farakiya which is an Urdu term and the meaning of the term is separate.

Geographically, the district lies at 25°51'N latitudes, 86°47'E longitudes and 36 m Altitude. In the year 2021, there was a total 1.24% forest area of total geographical area. The district encompasses a geographical area of 1,486 sq km. and it is bounded by Saharsa district, Samastipur district and Darbhanga district on the north, Bhagalpur district on the south east, Munger district on the south west, Begusarai district on the west and Madhepura district on the east. During summer, the climate of the district remains extremely hot. Most of its rainfall occurs in the monsoon season. The actual rainfall in the district was 1477.4 mm in the year of 2021-22.

Administration wise, the district is divided into 2 sub-divisions namely Khagaria and Gogari. There are 1 Lok Sabha seat and 4 Assembly constituencies in the district. Moreover, the district comprises 2 towns and 301 villages. The administrative language in the district is Hindi.

According to 2011 census the district has a population of 16,66,886 including 8,83,786 are males and 7,83,100 are females. The district has a sex ratio of 946 females for every 1000 males. During the year 2001-2011 the population growth rate in the district was 30.19% out of which 30.11% were males and 30.28% were females. As per 2011 census the major religions in the district are Hindu and Muslim with 89.21% and 10.53% of the total population. The population density in the district is 1,122 persons per sq. km. According to 2011 census the principal language in the district is Hindi with 93.86%. In the year 2020 the number of live births in the district was 50,202 out of which 25,994 were males and 24,204 were females. In the same year the number of deaths in the district was 6,166 out of which 3,860 were males and 2,306 were females.

More than half of the population in the district are engaged in agriculture in order to earn their livelihood. Some of its chief agricultural products are paddy, wheat, maize, jute, oil seeds, vegetables, banana, etc. Every year a huge chunk of revenue comes from the agricultural products grows in the district. There is a scarcity of big industries in the district. Only a few industries of horticulture, agro-based, dairy, etc can be found in the district which also helps in its economy to some extent.  Rearing of cattle had been a traditional occupation in the district. In 2006 the Ministry of Panchayati Raj declared Khagaria 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 2011-12 the gross domestic product in the district was Rs. 3,05,198 lakh at current price and Rs. 1,75,968 lakh at constant prices in the year 2004-2005. In the year 2011-12 the net domestic product in the district was Rs. 2,75,219 lakh at current price and Rs. 1,55,909 lakh at constant prices in the year 2004-2005.

Educationally, the district is not well developed. It has a few reputed educational institutions including Jamia Rahmani, Koshi College, Notre Dame Academy, Shyamlal Chandrashekhar Nursing College, St. Xavier’s High School, SL DAV Public School, etc. As per 2011 census the literacy rate in the district is 57.92% including 65.25% are males and 49.56% are females. The number of literates in the district is 7,68,028 including 4,61,153 are males and 3,06,875 are females.

Ram Vilas Paswan, an illustrious Indian politician and the eight times Lok Sabha member from the Hajipur constituency was born on 5th July, 1946 in the Khagaria district. He was also served as the member of Rajya Sabha from 2010-2014. He is a member of Lok Janshakti Party.

Every year numerous travellers from different parts of the country come to this place to enjoy its variety of tourist spots. Katyayani Asthan, situated 12 km. away from the Khagaria town has two prominent temples of Lord Rama and Lord Laxmana. People from far distance place come to these temples to offers their prayers. Ajgaibinath Mahadeo, a place which is currently situated in Sultanganj of Bhagalpur District. This place is very near to Aguanighat of Khagaria district. There is the temple of Lord Shiva located on a hillock is a well known pious place and a place of attraction for the devotees.  Some other notable places of interest in the district are Bharatkhand Fort, Aghori Asthan, Sanhauli Durga Asthan, etc.