2010–present: The District of North Kesteven wards of Ashby de la Launde, Bassingham, Billinghay, Branston and Mere, Brant Broughton, Cliff Villages, Cranwell and Byard’s Leap, Eagle and North Scarle, Heckington Rural, Heighington and Washingborough, Kyme, Leasingham and Roxholm, Martin, Metheringham, North Hykeham Forum, North Hykeham Memorial, North Hykeham Mill, North Hykeham Moor, North Hykeham Witham, Osbournby, Ruskington, Sleaford Castle, Sleaford Holdingham, Sleaford Mareham, Sleaford Navigation, Sleaford Quarrington, Sleaford Westholme, and Waddington West, and the District of South Kesteven wards of Barrowby, Ermine, Heath, Loveden, Peascliffe, Saxonwell, and Witham Valley.