Town added almost 1,000 to their season ticket sales total following the extension of the early bird deadline to last Friday.
We understand the number of Portman Road season ticket holders is now in the high 10,000s having dropped by around 15 per cent at time of the initial April early bird deadline to below 10,000 for the first time since promotion to the Premier League in 2000.
The club are also pleased with the reception their recently launched ticket bundle scheme has been received.
"In addition to that initiative the Blues cut the cheapest matchday ticket price to £25 and scrapped the additional £2.50 surcharge to fans paying on the gate on the day of a game.
The attendance at Saturday's 1-0 opening game victory against Birmingham was 18,153 - including 2,012 visiting fans and around 1,000 tickets given to NHS staff - up on the 17,370 which watched last year's 4-2 first day win against Barnsley.