Towns and cities
Borehamwood (69)Waltham Cross (54)Potters Bar (51)Bushey (47)Cheshunt (42)Radlett (38)Watford (36)Rickmansworth (28)Harpenden (16)Hemel Hempstead (16)St Albans (15)Chorleywood (13)Hoddesdon (13)Hatfield (13)Welwyn Garden City (11)Berkhamsted (9)Hitchin (8)Tring (8)Hertford (7)Stevenage (7)Ware (4)Baldock (4)Letchworth (4)Buntingford (3)