Ranaghat Uttar Purba is a Scheduled Caste–reserved Assembly constituency located in the Nadia district of West Bengal.
In the 2021 Assembly elections, the constituency had 264,929 electors and recorded 214,736 valid votes. Bharatiya Janata Party candidate Ashim Biswas won the seat with 116,786 votes, defeating the All India Trinamool Congress’s Samir Kumar Poddar, who secured 85,004 votes. The margin of victory was 31,782 votes.
In the 2016 Assembly elections, the constituency had 238,807 electors and 193,678 valid votes. Trinamool Congress candidate Samir Kumar Poddar won the seat with 93,215 votes, while CPI(M) candidate Babusona Sarkar finished second with 78,243 votes, losing by a margin of 14,972 votes.
Earlier, in the 2011 Assembly elections, Ranaghat Uttar Purba had 201,195 electors and 170,505 valid votes. Trinamool Congress candidate Samir Kumar Poddar won with 93,836 votes, defeating CPI(M) candidate Archana Biswas, who secured 62,644 votes. The margin of victory was 31,192 votes.
Following the 2025 Special Intensive Revision (SIR) of electoral rolls, the constituency had 258,682 voters on the draft roll, after 15,282 names were removed from the 2024 roll when the electorate stood at 273,964. Previously, the number of voters was 264,929 in 2021, 252,297 in 2019, 238,807 in 2016 and 201,195 in 2011.
Scheduled Castes form the dominant voting bloc in the constituency, accounting for 59.88 per cent of the electorate, while Scheduled Tribes make up 2.99 per cent. Muslims constitute only a small share of the population. The seat is predominantly rural, with 92.36 per cent of voters residing in rural areas and 7.64 per cent in urban pockets.