Banka

The geographic coordinates of Banka Assembly constituency are: 24°52'04.1"N 86°52'34.7"E. This constituency falls in Banka district of Bihar and in the Bhagalpur region. Banka shares its borders with four other Assembly constituencies. Other Bihar Assembly constituencies adjacent to Banka are: Amarpur, Dhauraiya, Katoria, Belhar. This constituency shares an inter-state border with Jharkhand.

There were a total of 258822 registered voters on the electoral rolls for the 2025 Assembly election in Banka Assembly constituency, of which 137182 were male, 121639 female and 1 of the third gender. In the 2020 Assembly elections, there were a total of 254480 registered voters, of which 134427 were male, 120053 female and 0 from the third gender. In the 2015 Assembly elections, there were a total of 235691 registered voters, of which 124711 were male, 110975 female and 249 from the third gender. In 2010 elections, there were a total of 204097 registered voters in this constituency, of which 109670 were male and 94427 female and 166 from the third gender.

The number of service voters in this Assembly constituency was 360 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 887, in 2020 it was 893, 890 in 2015, and 861 in 2010.

Banka Assembly constituency will go to the polls in Phase 2 of the 2025 Bihar Assembly elections on Tuesday, November 11, 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 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.

Assembly constituency no.161. Banka comprises of the following areas of Banka district in the Bhagalpur region of Bihar: CD Blocks Barahat & Banka

This constituency covers an approximate area of 433.41 square kilometers and the geographic coordinates of Banka is: 24°52'04.1"N 86°52'34.7"E.

A total of four Assembly constituencies in the state of Bihar share borders with Banka constituency, which are: Amarpur, Dhauraiya, Katoria, Belhar. This constituency shares an inter-state border with Jharkhand.

According to data released by the Election Commission of India, in the 2025 Bihar Assembly elections, the estimated voter turnout in this Banka constituency was 74.01%. In 2020, this seat registered a turnout of 62.62%, while it was 58.02% in 2015, and 52.28% in 2010.

In the 2020 Bihar Assembly elections, Ram Narayan Mandal of BJP won in this constituency beating Javed Iqbal Ansari of RJD by a margin of 16828 votes which was 10.57% of the total votes cast. In 2015, Ram Narayan Mandal of BJP was the winner in this seat beating Zafrul Hoda of RJD by a margin of 3730 votes which was 2.73% of the total votes polled in the constituency. In the 2010 Assembly elections, Javed Iqbal Ansari of RJD won this seat defeating Ram Narayan Mandal of BJP by a margin of 2410 votes which was 2.26% of the total votes polled for the seat.

In the 2020 Bihar Assembly elections, Ram Narayan Mandal of BJP had a vote share of 43.8% in this seat. In the 2015 Assembly elections, Ram Narayan Mandal of BJP got a vote share of 38.36% , In the 2010 Assembly elections, Javed Iqbal Ansari of RJD got a vote share of 27.23% in Banka.