Kochadhaman

The geographic coordinates of Kochadhaman Assembly constituency are: 26°08'21.5"N 87°50'35.5"E. This constituency falls in Kishanganj district of Bihar and in the Koshi region. Kochadhaman shares its borders with four other Assembly constituencies. Other Bihar Assembly constituencies adjacent to Kochadhaman are: Bahadurganj, Kishanganj, Jokihat, Amour. This constituency shares an inter-state border with West Bengal.

There were a total of 248384 registered voters on the electoral rolls for the 2025 Assembly election in Kochadhaman Assembly constituency, of which 133574 were male, 114803 female and 7 of the third gender. In the 2020 Assembly elections, there were a total of 250134 registered voters, of which 128672 were male, 121450 female and 12 from the third gender. In the 2015 Assembly elections, there were a total of 216620 registered voters, of which 114918 were male, 101698 female and 5 from the third gender. In 2010 elections, there were a total of 177507 registered voters in this constituency, of which 94429 were male and 83078 female and 2 from the third gender.

The number of service voters in this Assembly constituency was 12 in 2020, 4 in 2015, and 0 in 2010.

The electorate gender ratio (number of female voters per 1000 male voters) in this constituency in 2025 was 859, in 2020 it was 944, 885 in 2015, and 880 in 2010.

Kochadhaman 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 3 on Saturday, November 7, 2020 and the results were declared on Tuesday, November 10, 2020.

In the 2015 state Assembly elections, this seat voted in Phase 5 on Thursday, November 5, 2015 and the results were declared on Sunday, November 8, 2015.

In the 2010 polls, this constituency voted in Phase 1 on Thursday, October 21, 2010 and the results were declared on Wednesday, November 24, 2010.

Assembly constituency no.55. Kochadhaman comprises of the following areas of Kishanganj district in the Koshi region of Bihar: CD Block Kochadhamin; Gram Panchayats Belwa, Gachhpara, Chakla, Mehangaon, Daula & Pichhla of Kishanganj CD Block.

This constituency covers an approximate area of 422.74 square kilometers and the geographic coordinates of Kochadhaman is: 26°08'21.5"N 87°50'35.5"E.

A total of four Assembly constituencies in the state of Bihar share borders with Kochadhaman constituency, which are: Bahadurganj, Kishanganj, Jokihat, Amour. This constituency shares an inter-state border with West Bengal.

According to data released by the Election Commission of India, in the 2025 Bihar Assembly elections, the estimated voter turnout in this Kochadhaman constituency was 76.84%. In 2020, this seat registered a turnout of 64.64%, while it was 66.01% in 2015, and 58.34% in 2010.

In the 2020 Bihar Assembly elections, Muhammed Izhar Asfi of AIMIM won in this constituency beating Mujahid Alam of JDU by a margin of 36143 votes which was 22.37% of the total votes cast. In 2015, Mujahid Alam of JDU was the winner in this seat beating Akhtarul Iman of AIMIM by a margin of 18843 votes which was 13.28% of the total votes polled in the constituency. In the 2010 Assembly elections, Akhatarul Iman of RJD won this seat defeating of JDU by a margin of 9025 votes which was 8.76% of the total votes polled for the seat.

In the 2020 Bihar Assembly elections, Muhammed Izhar Asfi of AIMIM had a vote share of 49.45% in this seat. In the 2015 Assembly elections, Mujahid Alam of JDU got a vote share of 39.42% , In the 2010 Assembly elections, Akhatarul Iman of RJD got a vote share of 36.27% in Kochadhaman.