Heckington is a village and civil parish in the North Kesteven district of Lincolnshire, England. It is situated between Sleaford and Swineshead Bridge, and south of the A17 road. Heckington, with 1,491 households, is one of the largest villages in Lincolnshire. The population of the civil parish including Boughton was 3,353 at the 2011 census.