Championship   M. W D L goals
  at home 1 0 0 1 1 : 2
  Away 1 0 0 1 1 : 4
  2 0 0 2 2 : 6
FA Cup   M. W D L goals
  at home 1 0 1 0 0 : 0
  Away 3 2 0 1 5 : 2
  4 2 1 1 5 : 2
League Cup   M. W D L goals
  Away 1 0 0 1 1 : 2
  1 0 0 1 1 : 2
League Two   M. W D L goals
  at home 6 1 3 2 5 : 5
  Away 6 3 3 0 9 : 4
  12 4 6 2 14 : 9
overall   M. W D L goals
  at home 8 1 4 3 6 : 7
  Away 11 5 3 3 16 : 12
  Neutral Place 0 0 0 0 0 : 0
  19 6 7 6 22 : 19
Championship
1963/1964 9. Round Northampton Town - Grimsby Town 1:2
1963/1964 5. Round Grimsby Town - Northampton Town 4:1
FA Cup
2013/2014 2. Round Grimsby Town - Northampton Town 2:0 (0:0)
2006/2007 1. Round Grimsby Town - Northampton Town 0:2 (0:2)
2006/2007 1. Round Northampton Town - Grimsby Town 0:0 (0:0)
1914/1915 1. Round Grimsby Town - Northampton Town 0:3
League Cup
1973/1974 1. Round Grimsby Town - Northampton Town 2:1
League Two
2022/2023 33. Round Northampton Town - Grimsby Town 1:2 (1:0)
2022/2023 2. Round Grimsby Town - Northampton Town 1:1 (0:0)
2019/2020 36. Round Grimsby Town - Northampton Town 0:3 (0:2)
2019/2020 19. Round Northampton Town - Grimsby Town 2:0 (2:0)
2018/2019 38. Round Grimsby Town - Northampton Town 0:0 (0:0)
2018/2019 19. Round Northampton Town - Grimsby Town 2:2 (1:1)
2009/2010 39. Round Grimsby Town - Northampton Town 1:2 (1:1)
2009/2010 16. Round Northampton Town - Grimsby Town 0:0 (0:0)
2005/2006 46. Round Grimsby Town - Northampton Town 1:1 (0:0)
2005/2006 16. Round Northampton Town - Grimsby Town 0:0 (0:0)
2004/2005 27. Round Grimsby Town - Northampton Town 1:2
2004/2005 12. Round Northampton Town - Grimsby Town 0:1

For games that were decided on penalties the score after 120 minutes will be included in the ranking