Siwan

The geographic coordinates of Siwan Lok Sabha constituency are: 26°10'00.1"N 84°30'00.0"E. Siwan shares its borders with four other Lok Sabha constituencies. Other Lok Sabha constituencies adjacent to Siwan are: Gopalganj, Maharajganj, Uttar Pradesh: Salempur, Ballia. This constituency shares an inter-state border with: Uttar Pradesh.

In the 2019 Lok Sabha general elections, Kavita Singh of JDU won in this seat defeating Hena Shahab of RJD by a margin of 1,16,958 votes which was 11.88% of the total votes cast for the seat. JDU had a vote share of 45.54% in 2019 in this seat.

In 2014, Om Prakash Yadav of BJP emerged victorious in this seat beating Hena Shahab of RJD by a margin of 1,13,847 votes which was 12.88% of the total votes polled in the constituency. BJP secured a vote share of 42.16% in the seat.

In the 2009 Lok Sabha elections, Om Prakash Yadav of IND won this seat beating Hena Shahab of RJD by a margin of 63,430 votes which was 9.88% of the total votes polled in the constituency. IND had a vote share of 36.8% in the seat.

Siwan Lok Sabha constituency has an estimated Scheduled Caste population of 12% and an estimated Scheduled Tribe population of 3%, according to the latest relevant Delimitation Commission report. The estimated literacy level of the district(s) in which this constituency falls in is 70%, according the Census of India, 2011.

In the Siwan Lok Sabha constituency, there were a total of 18,81,079 registered voters on the electoral rolls for the 2024 Lok Sabha election, of which 9,78,543 were male, 9,02,480 female and 56 of the third gender. In the 2019 Lok Sabha elections, there were a total of 17,99,551 registered voters, of which 9,78,543 were male, 8,55,554 female and 53 of the third gender. In 2014 elections, there were a total of 15,63,860 registered voters in this constituency, of which 8,41,735 were male, 7,22,100 female and 25 of the third gender. In the 2009 polls, the number of total electors was 12,82,480 which included 6,95,849 male, and 5,86,631 female.

The number of service voters in Lok Sabha constituency was 5,168 in 2019, 1,810 in 2014 and 787 in 2009.

The electorate gender ratio or sex ratio (number of female voters per 1000 male voters) in this constituency in 2024 was 922, in 2019 it was 906, 858 in 2014 and 843 in 2009.

Siwan Lok Sabha constituency went to the polls in Phase 6 of the 2024 Lok Sabha elections on Saturday, May 25, 2024. The counting of votes is on Tuesday, June 4, 2024.

In the 2019 Lok Sabha general elections this seat voted in Phase 6 on Sunday, May 12, 2019 and the results were declared on Thursday, May 23, 2019.

In the 2014 polls this constituency voted in Phase 6 on Monday, May 12, 2014 and the results were declared on Friday, May 16, 2014.

In 2009, Siwan voted in Phase 1 on Thursday, April 16, 2009 and the results were declared on Saturday, May 16, 2009.

According the latest delimitation documents for 18. Siwan Lok Sabha seat, the extent of this constituency covers the following areas of Bihar: 105. Siwan: CD Block Siwan including Nagar Parishad Siwan; Gram Panchayats, Lakri, Pakri, Aurae, Lakri Dargah, Kailgarh Uttar, Kailgarh Dakhin, Sunderpur & Hathigai of Barharia CD Block; 106. Ziradei: CD Blocks Nautan, Ziradei & Mairwa; 107. Darauli (SC): CD Blocks Guthani, Darauli & Andar; 108. Raghunathpur: CD Blocks Hussainganj & Raghunathpur, Gram Panchayats Shekpura, Piyaur, Aranda, Gayghat & Usari Bujurg of Hasanpura CD Block; 109. Daraunda: Duraunda CD Block [including villages Mathia, Dipni, Koror & Jagdishpur of Chherhi GP (Part)], Siswan CD Block, Gram Panchayats Phalpura, Laheji, Mandarapali, Sahuli, Telkhthu, Hasanpura, Pakadi, Rajanpura & Harpur Kotwa of Hasanpura CD Block; 110. Barharia: CD Block Pachrukhi, Gram Panchayat Kunwa, Rasulpur, Padrauna Khurd, Koirigawa, Balapur, Madhopur, Barharia, Sadarpur, Tetahli, Nawalpur, Bahuara Kadir, Bahadurpur, Hardobara, Bhamopali, Rachhopali, Rampur, Bhopatpur, Sikandarpur, Bhaluara, Hariharpurlalgarh, Chaukhi Hasan & Dindayalpur of Barharia CD Block.

According to data released by the Election Commission of India, in the 2024 Lok Sabha elections, the estimated voter turnout in Siwan constituency was 52.49%. In 2019, this seat registered a turnout of 55%, while it was 57% in 2014 and 50% in 2009. The estimated turnout in 2024 was -2.24% compared to the 2019 turnout.

In the 2019 Lok Sabha general elections, Kavita Singh of JDU won in this constituency beating Hena Shahab of RJD by a margin of 1,16,958 votes which was 11.88% of the total votes cast. In 2014, Om Prakash Yadav of BJP was the winner in this seat beating Hena Shahab of RJD by a margin of 1,13,847 votes which was 12.88% of the total votes polled in the constituency. In the 2009 Lok Sabha elections, Om Prakash Yadav of IND won this seat defeating Hena Shahab of RJD by a margin of 63,430 votes which was 9.88% of the total votes polled for the seat.

In the 2019 Lok Sabha elections, Kavita Singh of JDU had a vote share of 45.54% in this seat.

In 2014, Om Prakash Yadav of BJP secured a vote share of 42.16% in this constituency.

In the 2009 Lok Sabha elections, Om Prakash Yadav of IND got a vote share of 36.8% in Siwan.