This can vary significantly at club level for both men and women.
At county level, men generally tend to fall between ~10 and 12%. Ladies Gaeilic footballers fall between 21 and 26%. While camogie players vary a bit more at 18-28% body fat.
These figures can vary depending on the time of the year (i.e. on-season vs off-season) and also on the position the athlete is playing. For example, goalkeepers tend to have a higher body fat % than outfield players.