Elections to Rochford Council were held on 1 May 2003. One third of the council was up for election and the Conservative party stayed in overall control of the council.
After the election, the composition of the council was:
| Party | Seats | ± | ||
|---|---|---|---|---|
| 30 | +2 | |||
| 4 | 0 | |||
| 3 | -1 | |||
| 1 | -1 | |||
| Hawkwell Residents | 1 | 0 | ||