So what do the bookmakers think about the chances of each of the 16 candidates come Thursday? Here are the latest odds courtesy of William Hill. Please note that prices may fluctuate.
13. 200-1: John Prescott (Reform UK)
Mr Prescott, an IT consultant who runs an online gift business, says to voters: "You have a chance to send a clear message to the Westminster elites that we want reform and together we can stand tall as a strong voice putting Hartlepool back on the map.” Photo: Frank Reid
14. 100-1: Thelma Walker (Northern Independence Party)
The former Labour MP for Colne Valley, who will be the Northern Independence Party’s first Parliamentary election candidate, aims to help "end the north south economic divide and to reject Westminster control for the whole of our northern region". Photo: Tony Johnson
15. 6-1: Paul Williams (Labour)
Dr Williams, a GP who was previously Labour MP for Stockton South, insists "the NHS is the number one issue" and adds "People in Hartlepool just want to see really decent quality services again at Hartlepool hospital." Photo: UGC
16. 1-10 favourite: Jill Mortimer (Conservatives)
Ms Mortimer, who is aiming to become the town's first Conservative MP since 1964, is a North Yorkshire farmer and councillor and says: "I want to make sure this town is at the centre of the post-pandemic recovery by creating more jobs and apprenticeships and attracting extra investment." Photo: Other 3rd Party