Barharia

The geographic coordinates of Barharia Assembly constituency are: 26°15'11.9"N 84°27'05.8"E. This constituency falls in Siwan district of Bihar and in the Bhojpur region. Barharia shares its borders with seven other Assembly constituencies. Other Bihar Assembly constituencies adjacent to Barharia are: Baruli, Goriakothi, Maharajganj, Daraundha, Raghunathpur, Siwan, Gopalganj. This constituency shares an inter-state border with .

There were a total of 308811 registered voters on the electoral rolls for the 2025 Assembly election in Barharia Assembly constituency, of which 164234 were male, 144569 female and 8 of the third gender. In the 2020 Assembly elections, there were a total of 301921 registered voters, of which 157955 were male, 143951 female and 15 from the third gender. In the 2015 Assembly elections, there were a total of 272688 registered voters, of which 147156 were male, 125526 female and 160 from the third gender. In 2010 elections, there were a total of 219766 registered voters in this constituency, of which 118363 were male and 101403 female and 99 from the third gender.

The number of service voters in this Assembly constituency was 480 in 2020, 6 in 2015, and 0 in 2010.

The electorate gender ratio (number of female voters per 1000 male voters) in this constituency in 2025 was 880, in 2020 it was 911, 853 in 2015, and 857 in 2010.

Barharia Assembly constituency will go to the polls in Phase 1 of the 2025 Bihar Assembly elections on Thursday, November 6, 2025. The counting of votes is on Friday, November 14, 2025.

In the 2020 state Assembly elections, this seat voted in Phase 2 on Tuesday, November 3, 2020 and the results were declared on Tuesday, November 10, 2020.

In the 2015 state Assembly elections, this seat voted in Phase 4 on Sunday, November 1, 2015 and the results were declared on Sunday, November 8, 2015.

In the 2010 polls, this constituency voted in Phase 3 on Thursday, October 28, 2010 and the results were declared on Wednesday, November 24, 2010.

Assembly constituency no.110. Barharia comprises of the following areas of Siwan district in the Bhojpur region of Bihar: 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

This constituency covers an approximate area of 245.21 square kilometers and the geographic coordinates of Barharia is: 26°15'11.9"N 84°27'05.8"E.

A total of seven Assembly constituencies in the state of Bihar share borders with Barharia constituency, which are: Baruli, Goriakothi, Maharajganj, Daraundha, Raghunathpur, Siwan, Gopalganj. This constituency shares an inter-state border with .

According to data released by the Election Commission of India, in the 2025 Bihar Assembly elections, the estimated voter turnout in this Barharia constituency was 63.56%. In 2020, this seat registered a turnout of 57.15%, while it was 57.04% in 2015, and 52.38% in 2010.

In the 2020 Bihar Assembly elections, Bachcha Pandey of RJD won in this constituency beating Shyambahadur Singh of JDU by a margin of 3559 votes which was 2.06% of the total votes cast. In 2015, Shyam Bahadur Singh of JDU was the winner in this seat beating Bachha Panday of LJP by a margin of 14583 votes which was 9.38% of the total votes polled in the constituency. In the 2010 Assembly elections, Shyam Bahadur Singh of JDU won this seat defeating Mahamad Mobin of RJD by a margin of 25121 votes which was 21.82% of the total votes polled for the seat.

In the 2020 Bihar Assembly elections, Bachcha Pandey of RJD had a vote share of 41.62% in this seat. In the 2015 Assembly elections, Shyam Bahadur Singh of JDU got a vote share of 41.93% , In the 2010 Assembly elections, Shyam Bahadur Singh of JDU got a vote share of 46.65% in Barharia.