Towns and cities
Watford (35)Bushey (32)Rickmansworth (30)Potters Bar (28)Radlett (28)Cheshunt (25)Borehamwood (25)Waltham Cross (25)Chorleywood (24)Hemel Hempstead (19)Hertford (18)Hoddesdon (17)Harpenden (17)St Albans (17)Hatfield (17)Tring (17)Ware (15)Welwyn Garden City (15)Berkhamsted (12)Stevenage (10)Bishop's Stortford (10)Sawbridgeworth (9)Buntingford (8)Baldock (7)Hitchin (7)Letchworth (7)