Championship   M. W D L goals
  at home 3 1 2 0 6 : 5
  Away 3 2 1 0 5 : 2
  6 3 3 0 11 : 7
FA Cup   M. W D L goals
  at home 4 4 0 0 13 : 6
  Away 2 0 2 0 1 : 1
  6 4 2 0 14 : 7
League One   M. W D L goals
  at home 1 1 0 0 4 : 0
  Away 1 0 0 1 0 : 1
  2 1 0 1 4 : 1
overall   M. W D L goals
  at home 8 6 2 0 23 : 11
  Away 6 2 3 1 6 : 4
  Neutral Place 0 0 0 0 0 : 0
  14 8 5 1 29 : 15
Championship
1966/1967 6. Round Derby County - Northampton Town 4:3
1966/1967 2. Round Northampton Town - Derby County 0:2
1964/1965 9. Round Northampton Town - Derby County 2:2
1964/1965 4. Round Derby County - Northampton Town 2:2
1963/1964 6. Round Derby County - Northampton Town 0:0
1963/1964 2. Round Northampton Town - Derby County 0:1
FA Cup
2019/2020 4. Round Derby County - Northampton Town 4:2 (2:0)
2019/2020 4. Round Northampton Town - Derby County 0:0 (0:0)
1949/1950 Round of 16 Derby County - Northampton Town 4:2
1913/1914 1. Round Derby County - Northampton Town 1:0
1908/1909 1. Round Derby County - Northampton Town 4:2
1908/1909 1. Round Northampton Town - Derby County 1:1
League One
2023/2024 40. Round Northampton Town - Derby County 1:0 (1:0)
2023/2024 7. Round Derby County - Northampton Town 4:0 (3:0)

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