More information County, Largest settlement ...
| County | Largest settlement | Its 2021 Pop. | Classed as[1] |
| Bedfordshire | Luton | 233,525 | Major |
| Berkshire | Reading | 203,795 | Major |
| Bristol | Bristol | 425,215 | Major |
| Buckinghamshire | Milton Keynes | 197,340 | Large |
| Cambridgeshire | Peterborough | 190,605 | Large |
| Cheshire | Warrington | 174,970 | Large |
| City of London | City of London | 8,583[2] | Small |
| Cornwall | Newquay | 24,545 | Medium |
| Cumbria | Carlisle | 77,730 | Large |
| Derbyshire | Derby | 275,575 | Major |
| Devon | Plymouth | 266,955 | Major |
| Dorset | Bournemouth | 196,455 | Large |
| Durham | Darlington | 93,015 | Large |
| East Sussex | Brighton and Hove | 277,105 | Major |
| East Riding of Yorkshire | Kingston upon Hull | 270,810 | Major |
| Essex | Southend-on-Sea | 182,305 | Large |
| Gloucestershire | Gloucester | 118,555 | Large |
| Greater London | Croydon | 390,719 (borough)[3] | Major |
| Greater Manchester | Manchester | 470,405 | Major |
| Hampshire | Southampton | 249,620 | Major |
| Herefordshire | Hereford | 60,480 | Medium |
| Hertfordshire | Watford | 131,325 | Large |
| Isle of Wight | Newport | 25,405 | Medium |
| Kent | Maidstone | 109,490 | Large |
| Lancashire | Blackpool | 149,070 | Large |
| Leicestershire | Leicester | 406,580 | Major |
| Lincolnshire | Lincoln | 104,555 | Large |
| Merseyside | Liverpool | 506,565 | Major |
| Norfolk | Norwich | 200,770 | Major |
| North Yorkshire | Middlesbrough | 148,215 | Large |
| Northamptonshire | Northampton | 243,520 | Major |
| Northumberland | Blyth | 39,730 | Medium |
| Nottinghamshire | Nottingham | 299,790 | Major |
| Oxfordshire | Oxford | 159,994 | Large |
| Rutland | Oakham | 12,160 | Small |
| Shropshire | Telford | 156,910 | Large |
| Somerset | Bath | 94,080 | Large |
| South Yorkshire | Sheffield | 500,535 | Major |
| Staffordshire | Stoke-on-Trent | 260,560 | Major |
| Suffolk | Ipswich | 151,565 | Large |
| Surrey | Guildford | 77,880 | Large |
| Tyne and Wear | Newcastle-upon-Tyne | 286,445 | Major |
| Warwickshire | Nuneaton | 88,815 | Large |
| West Midlands | Birmingham | 1,121,375 | Major |
| West Sussex | Crawley | 120,550 | Large |
| West Yorkshire | Leeds | 536,280 | Major |
| Wiltshire | Swindon | 183,680 | Large |
| Worcestershire | Worcester | 105,465 | Large |
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