Barh

The geographic coordinates of Barh Assembly constituency are: 25°25'08.0"N 85°41'02.0"E. This constituency falls in Patna district of Bihar and in the Magadh region. Barh shares its borders with five other Assembly constituencies. Other Bihar Assembly constituencies adjacent to Barh are: Mohiuddinnagar, Mokama, Asthawan, Harnaut, Bakhtiarpur. This constituency shares an inter-state border with .

There were a total of 290937 registered voters on the electoral rolls for the 2025 Assembly election in Barh Assembly constituency, of which 154168 were male, 136767 female and 2 of the third gender. In the 2020 Assembly elections, there were a total of 280165 registered voters, of which 148118 were male, 132044 female and 3 from the third gender. In the 2015 Assembly elections, there were a total of 260453 registered voters, of which 141832 were male, 118621 female and 690 from the third gender. In 2010 elections, there were a total of 216282 registered voters in this constituency, of which 117705 were male and 98577 female and 494 from the third gender.

The number of service voters in this Assembly constituency was 1095 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 887, in 2020 it was 891, 836 in 2015, and 837 in 2010.

Barh 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 1 on Wednesday, October 28, 2020 and the results were declared on Tuesday, November 10, 2020.

In the 2015 state Assembly elections, this seat voted in Phase 3 on Wednesday, October 28, 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.

Assembly constituency no.179. Barh comprises of the following areas of Patna district in the Magadh region of Bihar: CD Blocks Athmalgola, Belchhi & Barh; Gram Panchayats Dhiwar, Parsawan, Goasa Shekhpura & Bihari Bigha of Pandarak CD Block.

This constituency covers an approximate area of 264.76 square kilometers and the geographic coordinates of Barh is: 25°25'08.0"N 85°41'02.0"E.

A total of five Assembly constituencies in the state of Bihar share borders with Barh constituency, which are: Mohiuddinnagar, Mokama, Asthawan, Harnaut, Bakhtiarpur. 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 Barh constituency was 64.52%. In 2020, this seat registered a turnout of 53.66%, while it was 55.3% in 2015, and 52.26% in 2010.

In the 2020 Bihar Assembly elections, Gyanendra Kumar Singh of BJP won in this constituency beating Satyendra Bahadur of INC by a margin of 10240 votes which was 6.84% of the total votes cast. In 2015, Gyanendra Kumar Singh of BJP was the winner in this seat beating Manoj Kumar of JDU by a margin of 8359 votes which was 5.81% of the total votes polled in the constituency. In the 2010 Assembly elections, Gyanendra Kumar Singh of JDU won this seat defeating Vijay Krishna of RJD by a margin of 19395 votes which was 17.16% of the total votes polled for the seat.

In the 2020 Bihar Assembly elections, Gyanendra Kumar Singh of BJP had a vote share of 32.94% in this seat. In the 2015 Assembly elections, Gyanendra Kumar Singh of BJP got a vote share of 44.44% , In the 2010 Assembly elections, Gyanendra Kumar Singh of JDU got a vote share of 47.01% in Barh.