An impressive 341,942 people attended the eight fourth round matches, eclipsing the previous record of 292,310 set in 2015/16. The historical figures date back 57 seasons to the competition’s formation in 1960/61.
This year’s fourth round boasted a number of mouth-watering fixtures including the Manchester derby and a heavyweight battle between Liverpool and Tottenham.
Meanwhile, Newcastle United set their highest home attendance for an EFL Cup fixture in 40 years and Leeds United reached the Quarter-Finals of the competition for the second time in five seasons.
In total, three of the Round Four fixtures were played in front of crowds of more than 50,000. Sky Bet Championship side Newcastle United had just 958 supporters shy of reaching the 50,000 mark, as 49,042 fans watched the Toon Army beat Preston North End 6-0.
Review: Click here to see how EFL Cup Round Four unfolded
Manchester United squeezed out rivals Manchester City with a 1-0 victory in front of a 74,196-strong crowd to book their place in the Quarter-Finals, while Liverpool recorded a 2-1 victory at Anfield, watched by 53,051.
Elsewhere, more than 80,000 people watched West Ham, Southampton and Hull City progress to the next stage of the competition.
Top 10 EFL Cup Round Four Attendances Totals
1. 341,942 - Season 2016/17
2. 292,310 - Season 2015/16
3. 258,917 - Season 2008/09
4. 250,850 - Season 1976/77
5. 249,664 - Season 1971/72
6. 249,291 - Season 2013/14
7. 241,098 - Season 2009/10
8. 239,513 - Season 1970/71
9. 225,009 - Season 1969/70
10. 215,390 - Season 1968/69
Six Premier League and two Sky Bet Championship clubs remain in the tournament, leading to some intriguing Quarter-Final ties with more twists and turns still to come on the road to Wembley.
Liverpool v Leeds United
Manchester United v West Ham United
Hull City v Newcastle United
Arsenal v Southampton
Draw: Click here for more details on the EFL Cup Quarter-Final draw