2002 County Championship
The 2002 County Championship season, known as the Frizzell County Championship for sponsorship reasons, was contested through two divisions: Division One and Division Two. Each team plays all the others in their division both home and away. The top three teams from Division Two were promoted to the first division for 2003, while the bottom three sides from Division 1 are relegated.
Teams
Division One
Team promoted from Division Two| Team | Primary home ground | Other grounds | Captain |
| Hampshire | Rose Bowl, Southampton | — |  Robin Smith |
| Kent | St Lawrence Ground, Canterbury | Nevill Ground, Tunbridge Wells Mote Park, Maidstone | David Fulton |
| Lancashire | Old Trafford, Manchester | Trafalgar Road Ground, Southport | Warren Hegg |
| Leicestershire | Grace Road, Leicester | — | Vince Wells |
| Somerset | County Ground, Taunton | Recreation Ground, Bath |  Jamie Cox |
| Surrey | The Oval, London | Woodbridge Road, Guildford | Adam Hollioake |
| Sussex | County Ground, Hove | Arundel Castle Cricket Ground, Arundel | Chris Adams |
| Warwickshire | Edgbaston, Birmingham | — | Mike Powell |
| Yorkshire | Headingley, Leeds | North Marine Road Ground, Scarborough | Darren Lehmann |
Division Two
Team relegated from Division One| Team | Primary home ground | Other grounds | Captain |
| Derbyshire | County Ground, Derby | — | Dominic Cork |
| Durham | Riverside Ground, Chester-le-Street | Feethams, Darlington | Jonathan Lewis |
| Essex | County Ground, Chelmsford | Valentines Park, Ilford Southchurch Park, Southend-on-Sea Castle Park Cricket Ground, Colchester | Ronnie Irani |
| Glamorgan | Sophia Gardens, Cardiff | St Helen's, Swansea Colwyn Bay Cricket Club Ground | Steve James |
| Gloucestershire | County Ground, Bristol | Archdeacon Meadow, Gloucester College Ground, Cheltenham | Mark Alleyne |
| Middlesex | Lord's, London | John Walker's Ground, Southgate | Angus Fraser |
| Northamptonshire | County Ground, Northampton | — | Michael Hussey |
| Nottinghamshire | Trent Bridge, Nottingham | — | Jason Gallian |
| Worcestershire | County Ground, New Road, Worcester | Chester Road North Ground, Kidderminster | Graeme Hick |