Grantham population
Grantham has a population of 44,580, making it the 3rd largest place in Lincolnshire. In 2005 the World Gazetteer recorded 35,720, a rise of 24.8% since.
The 2005 figure is from the World Gazetteer archive and may draw its boundary differently from the current source, so treat the change as indicative. Sources: method.