Before (end of 2010) (49 seats, Elections Centre)
Conservative 33 · Liberal Democrats 9 · Labour 7 · Other 0
After (end of 2011) (49 seats, Elections Centre)
Conservative 34 · Liberal Democrats 8 · Labour 7 · Other 0
Ward results
Arbury1 seat · turnout 63.5%
| Andrew Dempster Young | Conservative | 796 ✓ |
| Ian Simpson | Liberal Democrats | 402 |
| Paul Burgin | Labour | 89 |
| Eric Blakeley | Green | 45 |
Baldock Town1 seat · turnout 41.0%
| Michael Muir | Conservative | 1,352 ✓ |
| Tom Brownlee | Labour | 529 |
| Richard William Winter | Liberal Democrats | 215 |
| Annmarie Brinsley | Green | 212 |
Cadwell1 seat · turnout 55.5%
| Tricia Cowley | Conservative | 563 ✓ |
| Martin John Stears-Handscomb | Labour | 250 |
| Robin Lambie | Liberal Democrats | 104 |
| Paul O'Shaughnessy | Green | 58 |
Chesfield1 seat · turnout 38.5%
| Cathryn Henry | Conservative | 844 ✓ |
| Sally Jarvis | Liberal Democrats | 708 |
| Bhavna Joshi | Labour | 375 |
| Felix Power | Green | 92 |
Ermine1 seat · turnout 55.8%
| Gerald Edward Morris | Conservative | 835 ✓ |
| John Ledden | Liberal Democrats | 152 |
| Rebecca Joanne Leek | Green | 140 |
Hitchin Bearton1 seat · turnout 47.0%
| Judi Billing | Labour | 1,466 ✓ |
| Alex Stoner | Conservative | 893 |
| Michael Lott | Liberal Democrats | 288 |
| Sarah Pond | Green | 249 |
Hitchin Highbury1 seat · turnout 51.5%
| Patrick Clark | Liberal Democrats | 1,239 ✓ |
| David Leal-Bennett | Conservative | 1,075 |
| Deborah Segalini | Labour | 338 |
| Adrianne Smyth | UK Independence Party (UKIP) | 257 |
| Rachel Wise | Green | 179 |
Hitchin Walsworth1 seat · turnout 44.1%
| Bernard Lovewell | Conservative | 1,099 ✓ |
| Derek Sheard | Labour | 816 |
| George Winston Howe | Green | 328 |
| Stuart Alder | Independent | 232 |
| Andrew Ircha | Liberal Democrats | 207 |
Hitchwood Offa & Hoo1 seat · turnout 50.3%
| David Barnard | Conservative | 1,867 ✓ |
| Clare Billing | Labour | 435 |
| Peter James Johnson | Liberal Democrats | 285 |
| Harold Bland | Green | 215 |
Letchworth Grange1 seat · turnout 47.7%
| David Kearns | Labour | 1,083 ✓ |
| Blake Stephenson | Conservative | 924 |
| Martin Geoffrey Penny | Liberal Democrats | 185 |
| M Rodgers | UK Independence Party (UKIP) | 165 |
| Rosemary Anne Bland | Green | 145 |
| Charles Vickers | English Democrats Party - Putting England First | 73 |
Letchworth South East1 seat · turnout 41.8%
| Richard Harman | Conservative | 1,149 ✓ |
| Ramesh Summan | Labour | 633 |
| Philip Stevens | UK Independence Party (UKIP) | 213 |
| David May | Liberal Democrats | 207 |
| James Drew | Green | 171 |
Letchworth South West1 seat · turnout 50.0%
| Lynda Ann Needham | Conservative | 1,682 ✓ |
| Peter Mardell | Labour | 481 |
| Johnn Winder | Liberal Democrats | 433 |
| Mario May | Green | 390 |
Royston Heath1 seat · turnout 44.8%
| Peter Burt | Conservative | 996 ✓ |
| Kenneth Garland | Labour | 354 |
| Paul Jeray | Liberal Democrats | 264 |
| Philip Oddy | Green | 219 |
Royston Meridian1 seat · turnout 43.5%
| Tony Hunter | Conservative | 1,058 ✓ |
| Vaughan West | Labour | 333 |
| Karen Helen Davies | Liberal Democrats | 261 |
| Karen Harmel | Green | 141 |
Royston Palace1 seat · turnout 38.9%
| Jeannette Matelot Green | Conservative | 667 ✓ |
| Leslie Baker | Labour | 402 |
| Tim Greatrex | Liberal Democrats | 364 |
| Peter Groves | Green | 126 |
Weston and Sandon1 seat · turnout 58.5%
| Steve Jarvis | Liberal Democrats | 564 ✓ |
| Christopher Schwick | Conservative | 322 |
| Andrew Riley | Labour | 42 |
| Ann de Bock | Green | 34 |