Bachhwara

Demographic profile

There were a total of 310439 registered voters on the electoral rolls for the 2025 Assembly election in Bachhwara Assembly constituency, of which 165534 were male, 144903 female and 2 of the third gender. In the 2020 Assembly elections, there were a total of 297646 registered voters, of which 158043 were male, 139595 female and 8 from the third gender. In the 2015 Assembly elections, there were a total of 271815 registered voters, of which 145560 were male, 126250 female and 223 from the third gender. In 2010 elections, there were a total of 2256660 registered voters in this constituency, of which 119546 were male and 106120 female and 147 from the third gender.

The number of service voters in this Assembly constituency was 505 in 2020, 5 in 2015, and 0 in 2010.

The electorate gender ratio (number of female voters per 1000 male voters) in this constituency in 2025 was 875, in 2020 it was 883, 867 in 2015, and 888 in 2010.

Poll dates

Bachhwara 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 1 on Monday, October 12, 2015 and the results were declared on Sunday, November 8, 2015.

In the 2010 polls, this constituency voted in Phase 4 on Monday, November 1, 2010 and the results were declared on Wednesday, November 24, 2010.

Extent

Assembly constituency no.142. Bachhwara comprises of the following areas of Begusarai district in the Mithila region of Bihar: CD Blocks Bhagwanpur, Mansoorchak & Bachhwara.

This constituency covers an approximate area of 282.75 square kilometers and the geographic coordinates of Bachhwara is: 25°34'57.0"N 85°54'45.7"E.

A total of seven Assembly constituencies in the state of Bihar share borders with Bachhwara constituency, which are: Bibhutipur, Cheria Bariarpur, Begusarai, Teghra, Mohiuddinnagar, Sarairanjan, Mokama. This constituency shares an inter-state border with .

Voter turnout

According to data released by the Election Commission of India, In 2020, this seat registered a turnout of 60.64%, while it was 59.4% in 2015, and 57.58% in 2010.

Total voters

Victory margin

In the 2020 Bihar Assembly elections, Surendra Mehata of BJP won in this constituency beating Abdhesh Kumar Rai of CPI by a margin of 484 votes which was 0.27% of the total votes cast. In 2015, Ramdeo Rai of INC was the winner in this seat beating Arvind Kumar Singh of LJP by a margin of 36931 votes which was 22.88% of the total votes polled in the constituency. In the 2010 Assembly elections, Abdhesh Kumar Rai of CPI won this seat defeating Arvind Kumar Singh of IND by a margin of 12087 votes which was 9.3% of the total votes polled for the seat.

Winner vote share (%)

In the 2020 Bihar Assembly elections, Surendra Mehata of BJP had a vote share of 30.21% in this seat. In the 2015 Assembly elections, Ramdeo Rai of INC got a vote share of 45.83% , In the 2010 Assembly elections, Abdhesh Kumar Rai of CPI got a vote share of 25.99% in Bachhwara.