Bibhutipur

Demographic profile

There were a total of 273894 registered voters on the electoral rolls for the 2025 Assembly election in Bibhutipur Assembly constituency, of which 146263 were male, 127627 female and 4 of the third gender. In the 2020 Assembly elections, there were a total of 269431 registered voters, of which 143469 were male, 125952 female and 10 from the third gender. In the 2015 Assembly elections, there were a total of 241184 registered voters, of which 128608 were male, 112576 female and 280 from the third gender. In 2010 elections, there were a total of 206796 registered voters in this constituency, of which 109568 were male and 97228 female and 224 from the third gender.

The number of service voters in this Assembly constituency was 315 in 2020, 0 in 2015, and 0 in 2010.

The electorate gender ratio (number of female voters per 1000 male voters) in this constituency in 2025 was 873, in 2020 it was 878, 875 in 2015, and 887 in 2010.

Poll dates

Bibhutipur 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 2 on Sunday, October 24, 2010 and the results were declared on Wednesday, November 24, 2010.

Extent

Assembly constituency no.138. Bibhutipur comprises of the following areas of Samastipur district in the Mithila region of Bihar: CD Block Bibhutipur; Gram Panchayats Bulakipur, Kamrawn, Malpur Purwaripatti, Rampur Jalalpur, Bambaiya Harlal & Ajnaul of Dalsinghsarai CD Block.

This constituency covers an approximate area of 234.86 square kilometers and the geographic coordinates of Bibhutipur is: 25°41'54.2"N 85°55'32.2"E.

A total of five Assembly constituencies in the state of Bihar share borders with Bibhutipur constituency, which are: Warisnagar, Ujiarpur, Rosera, Cheria Bariarpur, Bachhwara,. This constituency shares an inter-state border with .

Voter turnout

According to data released by the Election Commission of India, in the 2025 Bihar Assembly elections, the estimated voter turnout in this Bibhutipur constituency was 70.08%. In 2020, this seat registered a turnout of 60.93%, while it was 60.43% in 2015, and 58.67% in 2010.

Total voters

Victory margin

In the 2020 Bihar Assembly elections, Ajay Kumar of CPIM won in this constituency beating Ram Balak Singh of JDU by a margin of 40496 votes which was 24.69% of the total votes cast. In 2015, Ram Balak Singh of JDU was the winner in this seat beating Ram Deo Verma of CPM by a margin of 17235 votes which was 11.84% of the total votes polled in the constituency. In the 2010 Assembly elections, Ram Balak Singh of JDU won this seat defeating Ramdeo Verma of CPM by a margin of 12301 votes which was 10.14% of the total votes polled for the seat.

Winner vote share (%)

In the 2020 Bihar Assembly elections, Ajay Kumar of CPIM had a vote share of 45% in this seat. In the 2015 Assembly elections, Ram Balak Singh of JDU got a vote share of 39.76% , In the 2010 Assembly elections, Ram Balak Singh of JDU got a vote share of 38.3% in Bibhutipur.