County,Postcodes,Active Postcodes,Population,Households Bedfordshire,22085,14787,615110,242528 Berkshire,46757,24055,861876,340545 Bristol,17724,11716,428499,182773 Buckinghamshire,36814,23915,754108,299306 Cambridgeshire,38548,21701,805075,325362 Cheshire,47807,31822,1027770,439353 City of London,6808,1601,7362,4378 Clwyd,20078,16364,496219,212496 Cornwall,27431,21982,534450,231372 County Durham,33778,26264,846925,367928 Cumbria,25066,19978,499840,222032 Derbyshire,43767,26335,1018527,434912 Devon,54096,41193,1133783,490971 Dorset,31653,22669,744033,326115 Dyfed,17673,14809,382136,163514 East Riding of Yorkshire,24398,16617,590591,255630 East Sussex,35214,22500,800056,353447 Essex,67759,46630,1724905,718594 Gloucestershire,42790,28344,859463,362125 Greater London,323125,179056,8166628,3261802 Greater Manchester,114801,71990,2682563,1128092 Gwent,34535,15739,576673,242786 Gwynedd,9819,8481,191569,83044 Hampshire,87514,49936,1759725,729027 Herefordshire,8393,6800,183482,78312 Hertfordshire,54022,32674,1116078,453814 Isle of Wight,6399,5126,138265,61085 Kent,71164,51768,1727684,711856 Lancashire,57345,40439,1460809,617980 Leicestershire,35306,22871,980278,390545 Lincolnshire,41540,32732,1040752,447372 Merseyside,59639,34580,1381170,602077 Mid Glamorgan,13536,10323,432362,182432 Norfolk,35576,29282,857720,372023 North Yorkshire,58113,38478,1125565,479109 Northamptonshire,27152,18163,691968,287741 Northumberland,16352,13031,316000,138521 Nottinghamshire,36354,27864,1091466,460427 Oxfordshire,38541,22128,653780,258844 Powys,7050,6113,132971,58350 Rutland,1604,1270,37384,15006 Shropshire,23052,18307,472947,196342 Somerset,46079,32609,908525,388727 South Glamorgan,24746,10785,472505,196095 South Yorkshire,48080,33264,1343526,565431 Staffordshire,39215,29481,1097625,462901 Suffolk,32553,25334,728109,310721 Surrey,53635,33621,1132224,455707 Tyne and Wear,38976,27678,1104828,484531 Warwickshire,22069,16454,543387,230793 West Glamorgan,13216,9500,378826,163884 West Midlands,86592,58215,2738456,1086910 West Sussex,39516,26360,806983,345631 West Yorkshire,89757,63949,2226048,922454 Wiltshire,31943,22376,680096,282527 Worcestershire,23279,16982,566091,239693