The election will be held on Thursday 5 May and anyone who is not already registered to vote must do so by Monday 18 April.
People are encouraged to register online at www.gov.uk/register-to-vote
Registered electors can also request a postal or proxy vote.
The deadline for applying for a postal vote in the PCC election is 5pm on Tuesday 19 April.
Applications for a proxy vote in the PCC election must be submitted by 5pm on Tuesday 26 April.
To request an application form for either a postal or proxy vote contact Durham County Council’s electoral services team on 03000 261 212 or email electoralservices@durham.gov.uk