The Conservatives have retained seats in North East Cambridgeshire, Grantham & Stamford, Huntingdon, Rutland & Melton and South Holland & The Deepings.
MP Nick Boles, who is currently battling cancer and was unable to attend the count, has retained his Grantham and Stamford seat with 35,090 votes.
Fellow Tory John Hayes swept to victory in South Holland & The Deepings securing a sixth term as MP and a record 35,179 votes.
Stephen Barclay held the North East Cambs seat for the Tories and Conservative Jonathan Djanogly will continue as MP for Huntingdon his fifth successful term but his majority was eroded by just under 5,000 votes to 14,475.
Sir Alan Duncan has been re-elected as Rutland and Melton MP for a sixth term with an increased majority.
The Conservative candidate polled 36,169 votes on a night when the constituency turnout was up five per cent on 2015 to 73.42%.
Seconds after the result was announced by returning officer. Mayor of Melton, Councillor Tejpal Bains, Mr Duncan said: “I’m pleased to have been re - elected with an increased majority.
“Conservative support remains very strong in Rutland and Melton.”
Labour made big gains with candidate Dr Heather Peto polling 13,065 votes to finish a clear second from Liberal Democrat Ed Reynolds (4,711).
Grantham & Stamford:
Nick Boles (Con)- 35,090
Barrie Fairbairn (Lab) - 14,996
Anita Day (Lib Dem) - 3,120
Tariq Mahmood (Independent) - 860
Rebecca Thackray (Green Party) - 782
North East Cambridgeshire:
Stephen Barclay (Conservative) - 34,340
Darren Fower (Lib Dem) - 2,383
Stephen Goldspink (English Democrats) - 293
Ruth Johnson (Green) - 1,024
Kenneth Rustidge (Labour) - 13,070
Robin Talbot (UKIP) - 2,174
South Holland & The Deepings:
John Hayes (Conservative) - 35,179
Voyteck Kowalewski (Labour) - 10,282
Nicola Smith (UKIP) - 2,185
Julia Cambridge (Liberal Democrat) - 1,433
Daniel Wilshire (Green Party) - 894
Rick Stringer (Independent) - 342
Jonathan Djanogly (Conservative) - 32,915
Dr Nik Johnson (Labour Party) - 18,440
Rod Cantrill (Liberal Democrats) - 5,090
Paul Bullen (UKIP) - 2,180
Tom MacLennan (Greens) - 1,095
Rutland & Melton:
Sir Alan Duncan (Conservative) - 36169
Heather Peto (Labour) - 13065
Ed Reynolds (Liberal Democrat) - 4711
John Scutter (UKIP) 1869
Alastair McQuillan (Green) - 1755