The history of Grimsby’s East Marsh is defined by its connection to the town’s fishing industry, which led to its development from marshland in the 1700s into a densely populated area for dockworkers in the 19th century. The area expanded rapidly during the Victorian era’s fishing boom but later declined as the industry faced challenges, leading to slum clearance and the building of tower blocks in the mid-20th century. The decline of fishing, including the Cod Wars, significantly impacted the area, causing widespread displacement and a downturn in the local economy and its once-thriving Freeman Street. Today the area is built up of predominantly terraced housing over a small area sandwiched between the West Marsh and Cleethorpes.

Below is a statistical profile of the East Marsh from the latest Census 2021 data showing comparisons with the rest of England.