EU referendum: How MPs in the Northamptonshire area are voting
Northamptonshire MPs are among the most Eurosceptic in the Anglia region with most wanting to withdraw from the EU.
Five of the seven MPs in the county want Britain to leave the European Union with several of them active in leading campaign groups like Grassroots Out.
The other two Northamptonshire MPs, Michael Ellis (Northampton North) and David Mackintosh (Northampton South), have declared in favour of remaining in the EU.
The Conservative MPs in Northamptonshire in favour of Britain's withdrawal from the EU are:
Peter Bone (Wellingborough)
Chris Heaton-Harris (Daventry)
Philip Hollobone (Kettering)
Energy & Climate Change Minister Andrea Leadsom (South Northamptonshire)
Tom Pursglove (Corby)
In surrounding counties, Skills Minister Nick Boles (Grantham and Stamford), former Solicitor General Sir Edward Garnier (Harborough) are both campaigning to remain in the European Union while Home Office Security minister John Hayes (South Holland & The Deepings) wants Britain to leave.
In March, the former International Development Secretary and Rutland & Melton MP Sir Alan Duncan, who described himself as a 'lifelong Eurosceptic' said he was campaigning to remain in the European Union.