The Eastern Division consisted of 22 clubs, including 15 clubs from
last season, and seven new clubs: • Two clubs transferred from Western Division: •
Corby Town •
Rothwell Town • Two clubs promoted from
Isthmian League Division Two: •
Enfield •
Ilford • Plus: •
Enfield Town, promoted from the
Essex Senior League •
Potters Bar Town, promoted from the
Spartan South Midlands League •
Stamford, relegated from the Premier Division Boreham Wood won the division and returned to the Premier Division of the Isthmian League after relegation in 2003. Runners-up Corby Town and play-off winners Stamford promoted to the Premier Division. At the end of the season a single Division One of the Isthmian League was divided into Division One North and Division One South. Fifteen Eastern division clubs left the Southern League and joined new divisions, while Eastern and Western divisions were renamed Division One Midlands and Division One South & West.
League table Play-offs • after extra time
Stadia and locations ==Western Division==