Runnisaidpur

The geographic coordinates of Runnisaidpur Assembly constituency are: 26°23'11.0"N 85°28'44.4"E. This constituency falls in Sitamarhi district of Bihar and in the Tirhut region. Runnisaidpur shares its borders with five other Assembly constituencies. Other Bihar Assembly constituencies adjacent to Runnisaidpur are: Bajpatti, Sitamarhi, Belsand, Minapur, Aurai. This constituency shares an inter-state border with .

There were a total of 285479 registered voters on the electoral rolls for the 2025 Assembly election in Runnisaidpur Assembly constituency, of which 152273 were male, 133198 female and 8 of the third gender. In the 2020 Assembly elections, there were a total of 287363 registered voters, of which 153251 were male, 134106 female and 6 from the third gender. In the 2015 Assembly elections, there were a total of 256495 registered voters, of which 137593 were male, 118895 female and 271 from the third gender. In 2010 elections, there were a total of 216175 registered voters in this constituency, of which 115489 were male and 100686 female and 248 from the third gender.

The number of service voters in this Assembly constituency was 249 in 2020, 7 in 2015, and 0 in 2010.

The electorate gender ratio (number of female voters per 1000 male voters) in this constituency in 2025 was 875, in 2020 it was 875, 864 in 2015, and 872 in 2010.

Runnisaidpur 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 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 4 on Sunday, November 1, 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.

Assembly constituency no.29. Runnisaidpur comprises of the following areas of Sitamarhi district in the Tirhut region of Bihar: CD Block Runnisaidpur; Gram Panchayats Gaura, Mohini, Pandaul Buzurg, Bath Asli & Kauria Raipur of Nanpur CD Block.

This constituency covers an approximate area of 288.86 square kilometers and the geographic coordinates of Runnisaidpur is: 26°23'11.0"N 85°28'44.4"E.

A total of five Assembly constituencies in the state of Bihar share borders with Runnisaidpur constituency, which are: Bajpatti, Sitamarhi, Belsand, Minapur, Aurai. 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 Runnisaidpur constituency was 66.92%. In 2020, this seat registered a turnout of 53.12%, while it was 53.6% in 2015, and 50.41% in 2010.

In the 2020 Bihar Assembly elections, Pankaj Kumar Mishra of JDU won in this constituency beating Mangita Devi of RJD by a margin of 24629 votes which was 16.14% of the total votes cast. In 2015, Mangita Devi of RJD was the winner in this seat beating Pankaj Kumar Mishra of BLSP by a margin of 14110 votes which was 10.26% of the total votes polled in the constituency. In the 2010 Assembly elections, Guddi Devi of JDU won this seat defeating Ram Shatrughan Rai of RJD by a margin of 10759 votes which was 9.87% of the total votes polled for the seat.

In the 2020 Bihar Assembly elections, Pankaj Kumar Mishra of JDU had a vote share of 47.96% in this seat. In the 2015 Assembly elections, Mangita Devi of RJD got a vote share of 40.52% , In the 2010 Assembly elections, Guddi Devi of JDU got a vote share of 33.15% in Runnisaidpur.