Before (end of 2018) (49 seats, Open Council Data)
Conservative 29 · Labour 14 · Liberal Democrats 6
After (end of 2019) (49 seats, Open Council Data)
Conservative 22 · Labour 16 · Liberal Democrats 11
Ward results
Arbury1 seat · turnout 50.5%
| Tom Tyson | Liberal Democrats | 570 ✓ |
| Christopher Schwick | Conservative | 453 |
| Tim Lee | Green | 88 |
Baldock Town1 seat · turnout 31.2%
| Michael Muir | Conservative | 941 ✓ |
| Rob Lambie | Liberal Democrats | 350 |
| Colwyn Luke Griffiths | Labour | 321 |
| George Woolhouse | Green | 201 |
Cadwell1 seat · turnout 40.8%
| Sam North | Liberal Democrats | 352 ✓ |
| Martin Goddard | Conservative | 207 |
| David Leon de Smet | Labour | 95 |
| Rosamund Brigid McGuire | Green | 72 |
Chesfield1 seat · turnout 26.7%
| George Davies | Conservative | 595 ✓ |
| Keith Abrahams | Liberal Democrats | 337 |
| Yusuf Liam Mayet | Labour | 226 |
| Mary Karin Marshall | Green | 220 |
Ermine1 seat · turnout 40.1%
| Gerald Edward Morris | Conservative | 492 ✓ |
| Suzie Anderton | Liberal Democrats | 187 |
| Mark Alister Gamon | Green | 104 |
| Robin Anthony King | Labour | 40 |
Hitchin Bearton1 seat · turnout 33.4%
| Judi Billing | Labour | 1,157 ✓ |
| Jon Clayden | Liberal Democrats | 351 |
| Gulshan Mangat | Conservative | 328 |
| Anni Elke Sander | Green | 296 |
Hitchin Highbury1 seat · turnout 41.2%
| Keith Richard Hoskins | Liberal Democrats | 1,606 ✓ |
| Leon Emirali | Conservative | 534 |
| Angela Griggs | Labour | 244 |
| Diana J Newson | Green | 181 |
Hitchin Walsworth1 seat · turnout 36.3%
| Kay Frances Tart | Labour | 994 ✓ |
| Mark Russell | Conservative | 570 |
| William Lavin | Green | 393 |
| Ying Han | Liberal Democrats | 255 |
Hitchwood Offa & Hoo1 seat · turnout 35.7%
| David Barnard | Conservative | 1,149 ✓ |
| Nicola Clark | Green | 360 |
| Marilyn Margaret Parkin | Liberal Democrats | 305 |
| Anton Jungreuthmayer | Labour | 260 |
Letchworth Grange1 seat · turnout 33.2%
| Morgan Derbyshire | Conservative | 708 ✓ |
| Conor Brogan | Labour | 563 |
| Steven Adelantado | UK Independence Party (UKIP) | 234 |
| Josh Hamilton | Liberal Democrats | 187 |
| Sarah Elizabeth Cope | Green | 172 |
Letchworth South East1 seat · turnout 33.0%
| Adem Irfan Ruggiero-Cakir | Labour | 796 ✓ |
| Andrew Clare | Conservative | 783 |
| Sidney Arthur Start | UK Independence Party (UKIP) | 242 |
Letchworth South West1 seat · turnout 37.5%
| Sean Prendergast | Liberal Democrats | 801 ✓ |
| Lynda Ann Needham | Conservative | 800 |
| Jean Andrews | Labour | 279 |
| Wendy Gross | UK Independence Party (UKIP) | 218 |
| Nick Newson | Green | 201 |
Royston Heath1 seat · turnout 39.5%
| Carol Ann Stanier | Liberal Democrats | 963 ✓ |
| Sarah Anne Dingley | Conservative | 538 |
| Katherine Marie Shann | Green | 134 |
| Amy Jane Bourke-Waite | Labour | 119 |
Royston Meridian1 seat · turnout 35.6%
| Tony Hunter | Conservative | 699 ✓ |
| Peter Martin Rice | Liberal Democrats | 340 |
| Christopher Arquati | UK Independence Party (UKIP) | 147 |
| Stephen Lockett | Labour | 147 |
| Karen Harmel | Green | 140 |
Royston Palace1 seat · turnout 28.3%
| Jean Margaret Green | Conservative | 474 ✓ |
| Robert Inwood | Labour | 415 |
| Amy Chesterton Di Capite | Liberal Democrats | 180 |
| Angela Clark | Green | 170 |
Weston and Sandon1 seat · turnout 44.8%
| Steve Jarvis | Liberal Democrats | 601 ✓ |
| Michael Hearn | Conservative | 109 |
| Des Stephens | Green | 25 |
| Headley Valentine Parkins | Labour | 19 |