The 1923 County Championship was the 30th officially organised running of the County Championship. Yorkshire County Cricket Club won the championship title. Final placings were still decided by calculating the percentage of points gained against possible points available.

In May 1923, Jack Hobbs scored his 100th century in first-class cricket, batting for Surrey against Somerset.

Table Five points were awarded for a win. Two points were awarded for "winning" the first innings of a drawn match. Final placings were decided by calculating the percentage of possible points. + County Championship tableTeamPldWLDWFDLFNRPts%PCYorkshire32 251 4 1 1 133 85.80Nottinghamshire 26 153 5 2 1 85 68.00Lancashire 30 152 6 6 1 87 60.00Surrey 26 159 0 3 1 67 58.26Kent 28 158 2 5 0 75 55.55Sussex 30 158 2 5 0 79 52.66Hampshire 28 108 6 3 1 62 45.92Middlesex 22 77 5 3 0 45 40.90Somerset 24 911 1 3 0 47 39.16Derbyshire 22 47 6 4 1 32 30.47Gloucestershire 28 716 3 2 0 41 29.29Warwickshire 26 612 3 2 0 36 28.80Essex 26 611 3 6 0 36 27.69Leicestershire 24 513 4 2 0 33 27.50Worcestershire 26 516 1 4 0 27 20.76Glamorgan 24 217 2 3 0 14 11.66Northamptonshire 22 216 1 3 0 12 10.90

References