| In the borough of Boston |
| Boston Coastal | The Coastal, Old Leake and Wrangle wards |
| Boston East | The Central, Pilgrim and Skirbeck wards |
| Boston Fishtoft | The Fishtoft and North wards |
| Boston North West | The Fenside and Witham wards and the parishes of Amber Hill and Holland Fen-with-Brothertoft |
| Boston Rural | The Five Village and Kirton wards and the parish of Swineshead |
| Boston South | The Frampton and Holme, South, and Wyberton wards |
| Boston West | The Staniland North, Staniland South, and West wards |
| In the district of East Lindsey |
| Alford and Sutton | The Alford, Sutton on Sea North and Sutton on Sea South wards |
| Horncastle and Tetford | The Horncastle and Tetford wards and the parishes of Aswardby, Brinkhill, Harrington, Haugh, Hundleby, Langton by Spilsby, Mavis Enderby, Raithby, Sausthorpe, South Ormsby cum Ketsby, South Thoresby and Swaby |
| Ingoldmells Rural | The Chapel St Leonards, Ingoldmells and Willoughby with Sloothby wards and the parishes of Ashby with Scremby, Dalby, Partney, Skendleby and Ulceby with Fordington |
| Louth Marsh | The Grimoldby, Marshchapel, North Somercotes and Skidbrooke with Saltfleet Haven wards |
| Louth North | The North Holme, St James' and St Margaret’s wards |
| Louth Rural North | The Holton le Clay, North Thoresby and Tetney wards |
| Louth South | The Priory, St Mary's, St Michael’s and Trinity wards |
| Louth Wolds | The Binbrook, Legbourne, Ludford and Withern with Stain wards |
| Mablethorpe | The Mablethorpe Central, Mablethorpe East, Mablethorpe North and Trusthorpe and Mablethorpe South wards |
| Skegness North | The St Clement’s and Winthorpe wards |
| Skegness South | The Scarbrough and Seacroft wards |
| Spilsby Fen | The Halton Holegate, Sibsey, Spilsby and Stickney wards |
| Tattershall Castle | The Coningsby and Tattershall, Frithville and Mareham le Fen wards |
| Wainfleet and Burgh | The Burgh le Marsh, Croft and Wainfleet and Friskney wards |
| Woodhall Spa and Wragby | The Roughton, Woodhall Spa and Wragby wards |
| In the city of Lincoln |
| Lincoln Birchwood | The Birchwood ward |
| Lincoln Boultham | The Boultham ward |
| Lincoln Bracebridge | The Bracebridge ward |
| Lincoln East |
| Lincoln Glebe | The Glebe ward |
| Lincoln Hartsholme | The Hartsholme ward |
| Lincoln Moorland | The Moorland ward |
| Lincoln North |
| Lincoln Park | The Park ward |
| Lincoln West |
| In the district of North Kesteven |
| Bassingham Rural | The Bassingham and Brant Broughton wards and the parishes of Eagle and Swinethorpe, Leadenham, North Scarle, Thorpe on the Hill, Welbourn and Wellingore |
| Billinghay and Metheringham | The Billinghay and Martin wards and the parish of Metheringham |
| Bracebridge Heath and Waddington | The Bracebridge Heath and Waddington East and Waddington West wards |
| Branston and Navenby | The Branston and Mere ward and the parishes of Boothby Graffoe, Coleby, Dunston, Harmston, Navenby and Nocton |
| Heighington and Washingborough | The Heighington and Washingborough ward |
| Hykeham Forum | The North Hykeham Forum, North Hykeham Moor and North Hykeham Witham wards |
| Ruskington and Cranwell | The Ashby de la Launde, Cranwell and Byard’s Leap and Ruskington wards |
| Skellingthorpe and Hykeham South | The North Hykeham Memorial, North Hykeham Mill and Skellingthorpe wards and the parish of Doddington and Whisby |
| Sleaford | The Sleaford Holdingham, Sleaford Mareham, Sleaford Navigation and Sleaford Westholme wards |
| Sleaford Rural South | The Heckington Rural, Kyme and Osbournby wards |
| Sleaford West and Leasingham | The Leasingham and Roxholm, Sleaford Castle and Sleaford Quarrington wards |
| In the district of South Holland |
| Crowland and Whaplode | The Crowland, Holbeach St John’s and Whaplode wards |
| Donington Rural | The Donington, Gosberton Village and Surfleet wards |
| Holbeach | The Holbeach Hurn and Holbeach Town wards |
| Holbeach Rural | The Fleet, Gedney and The Saints wards and the parishes of Lutton and Tydd St Mary |
| Spalding East and Moulton | The Spalding St Paul’s and Weston and Moulton wards |
| Spalding Elloe | The Deeping St Nicholas, Pinchbeck and Spalding Castle wards |
| Spalding South | The Spalding St John’s and Spalding St Mary’s wards |
| Spalding West | The Spalding Monks House and Spalding Wygate wards |
| Sutton Elloe | The Sutton Bridge ward and the parishes of Little Sutton and Long Sutton |
| In the district of South Kesteven |
| Bourne Abbey | The Bourne East and Ringstone wards |
| Bourne Castle | The Bourne West and Thurlby wards |
| Colsterworth Rural | The Forest, Isaac Newton and Morkery wards |
| Deeping St James | The Deeping St James ward |
| Folkingham Rural | The Aveland, Glen Eden, Lincrest and Toller wards |
| Grantham Barrowby | The Barrowby and Earlesfield wards |
| Grantham East | The Belmont and Harrowby wards |
| Grantham North | The Ermine, Peascliffe and St Wulfram’s wards |
| Grantham North West | The Green Hill and Greyfriars wards |
| Grantham South | The Grantham St John’s and St Anne’s wards |
| Hough | The Heath, Loveden, Saxonwell and Witham Valley wards |
| Market and West Deeping | The Market and West Deeping ward and the parish of Langtoft |
| Stamford North | The All Saints and St George’s wards |
| Stamford Rural | The Hillsides and St Mary’s wards and the parishes of Barholm and Stowe, Baston, Tallington and Uffington |
| Stamford West | The Stamford St John’s ward |
| In the district of West Lindsey |
| Ancholme Cliff | The Hemswell, Middle Rasen and Waddingham and Spital wards |
| Bardney and Cherry Willingham | The Bardney, Cherry Willingham and Fiskerton wards |
| Gainsborough Hill |
| Gainsborough Rural South | The Lea, Scampton, Stow and Torksey wards |
| Gainsborough Trent |
| Market Rasen Wolds | The Market Rasen and Wold View wards |
| Nettleham and Saxilby | The Nettleham and Saxilby wards |
| North Wolds | The Caistor, Kelsey and Yarborough wards |
| Scotter Rural | The Scotter and Thonock wards |
| Welton Rural | The Dunholme, Sudbrooke and Welton wards |