| Cricket Format: | First-class cricket (3 days) |
| Tournament Format: | League system |
| Champions: | Kent |
| Count: | 2 |
| Participants: | 16 |
| Most Runs: | (1,844 for Surrey) |
| Most Wickets: | (178 for Kent) |
| Previous Year: | 1908 |
| Previous Tournament: | 1908 County Championship |
| Next Year: | 1910 |
| Next Tournament: | 1910 County Championship |
The 1909 County Championship was the 20th officially organised running of the County Championship. The season ran from 3 May to 30 August 1909. Kent won their second championship title, while Lancashire finished in second place. The previous season's winners, Yorkshire, finished third.
| Team | ||||||||
|---|---|---|---|---|---|---|---|---|
| Kent | 26 | 16 | 2 | 8 | 0 | 14 | 18 | 77.77 |
| Lancashire | 24 | 14 | 4 | 6 | 0 | 10 | 18 | 55.55 |
| Yorkshire | 26 | 12 | 4 | 10 | 0 | 8 | 16 | 50.00 |
| Sussex | 26 | 7 | 3 | 16 | 0 | 4 | 10 | 40.00 |
| Surrey | 30 | 16 | 7 | 7 | 0 | 9 | 23 | 39.13 |
| Middlesex | 22 | 6 | 5 | 10 | 1 | 1 | 11 | 9.09 |
| Northamptonshire | 18 | 9 | 8 | 1 | 0 | 1 | 17 | 5.88 |
| Hampshire | 22 | 7 | 7 | 8 | 0 | 0 | 14 | 0.00 |
| Worcestershire | 20 | 8 | 8 | 4 | 0 | 0 | 16 | 0.00 |
| Nottinghamshire | 20 | 6 | 8 | 5 | 1 | –2 | 14 | –14.28 |
| Somerset | 16 | 4 | 7 | 5 | 0 | –3 | 11 | –27.27 |
| Warwickshire | 20 | 3 | 8 | 9 | 0 | –5 | 11 | –45.45 |
| Leicestershire | 22 | 3 | 10 | 8 | 1 | –7 | 13 | –53.84 |
| Essex | 20 | 2 | 7 | 9 | 2 | –5 | 9 | –55.55 |
| Derbyshire | 22 | 2 | 15 | 4 | 1 | –13 | 17 | –76.47 |
| Gloucestershire | 22 | 1 | 13 | 8 | 0 | –12 | 14 | –85.71 |
| Source:[1] |
| Most runs | |||
|---|---|---|---|
| Aggregate | Average | Player | County |
| 1,844 | 39.23 | Surrey | |
| 1,771 | 45.41 | Surrey | |
| 1,544 | 37.65 | Yorkshire | |
| 1,451 | 40.30 | Sussex | |
| 1,352 | 37.55 | Hampshire | |
| Source:[2] | |||
| Most wickets | |||
|---|---|---|---|
| Aggregate | Average | Player | County |
| 178 | 14.07 | Kent | |
| 135 | 19.11 | Gloucestershire | |
| 120 | 20.17 | Surrey | |
| 118 | 13.80 | Northamptonshire | |
| 111 | 12.67 | Yorkshire | |
| Source:[3] | |||