Tarapur

The geographic coordinates of Tarapur Assembly constituency are: 25°04'53.8"N 86°31'19.2"E. This constituency falls in Munger district of Bihar and in the Bhagalpur region. Tarapur shares its borders with six other Assembly constituencies. Other Bihar Assembly constituencies adjacent to Tarapur are: Jamalpur, Sultanganj, Amarpur, Belhar, Jhajha, Jamui. This constituency shares an inter-state border with .

There were a total of 328800 registered voters on the electoral rolls for the 2025 Assembly election in Tarapur Assembly constituency, of which 176401 were male, 152389 female and 10 of the third gender. In the 2020 Assembly elections, there were a total of 317340 registered voters, of which 171393 were male, 145939 female and 8 from the third gender. In the 2015 Assembly elections, there were a total of 289179 registered voters, of which 155970 were male, 133200 female and 228 from the third gender. In 2010 elections, there were a total of 261596 registered voters in this constituency, of which 136732 were male and 114864 female and 268 from the third gender.

The number of service voters in this Assembly constituency was 1437 in 2020, 9 in 2015, and 0 in 2010.

The electorate gender ratio (number of female voters per 1000 male voters) in this constituency in 2025 was 864, in 2020 it was 851, 854 in 2015, and 840 in 2010.

Tarapur 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 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.164. Tarapur comprises of the following areas of Munger district in the Bhagalpur region of Bihar: CD Blocks Asarganj, Tarapur, Tetiha Bamber & Sangrampur; Gram Panchayats Ramankabad (West), Ramankabad (East), Majhgyan, Murade, Gangata, Dariyapur-1 & 2 & Kharagpur (NA) of Kharagpur CD Block.

This constituency covers an approximate area of 509.09 square kilometers and the geographic coordinates of Tarapur is: 25°04'53.8"N 86°31'19.2"E.

A total of six Assembly constituencies in the state of Bihar share borders with Tarapur constituency, which are: Jamalpur, Sultanganj, Amarpur, Belhar, Jhajha, Jamui. 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 Tarapur constituency was 66.88%. In 2020, this seat registered a turnout of 55.08%, while it was 52.66% in 2015, and 47.35% in 2010.

In the 2020 Bihar Assembly elections, Mewa Lal Choudhary of JDU won in this constituency beating Divya Prakash of RJD by a margin of 7225 votes which was 4.14% of the total votes cast. In 2015, M L Choudhary of JDU was the winner in this seat beating Sakuni Choudhary of HAMS by a margin of 11947 votes which was 7.85% of the total votes polled in the constituency. In the 2010 Assembly elections, Neeta Choudhary of JDU won this seat defeating Shakuni Choudhary of RJD by a margin of 13878 votes which was 11.65% of the total votes polled for the seat.

In the 2020 Bihar Assembly elections, Mewa Lal Choudhary of JDU had a vote share of 36.93% in this seat. In the 2015 Assembly elections, M L Choudhary of JDU got a vote share of 43.62% , In the 2010 Assembly elections, Neeta Choudhary of JDU got a vote share of 37.42% in Tarapur.