The following are the results of the Welwyn Hatfield counting area for the European Parliamentary Election held on 23 May 2019.

CHANGE UK - THE INDEPENDENT GROUP1015
CONSERVATIVE AND UNIONIST PARTY3294
ENGLISH DEMOCRATS150
GREEN PARTY2983
LABOUR PARTY2854
LIBERAL DEMOCRATS8080
THE BREXIT PARTY9597
UK INDEPENDENCE PARTY (UKIP)774
CSORDAS Attila56

Ballot papers rejected: 128

Total: 28,931

Turnout 37.8%