Towns and cities
Borehamwood (33)Bushey (28)Potters Bar (26)Rickmansworth (25)Watford (25)Radlett (23)Chorleywood (19)Waltham Cross (18)Cheshunt (14)Hemel Hempstead (13)St Albans (12)Harpenden (10)Hatfield (10)Hoddesdon (9)Welwyn Garden City (5)Berkhamsted (5)Hitchin (5)Hertford (4)Ware (4)Stevenage (4)Tring (4)Sawbridgeworth (3)