Championship   M. W D L goals
  at home 3 0 1 2 2 : 5
  Away 3 0 2 1 5 : 6
  6 0 3 3 7 : 11
FA Cup   M. W D L goals
  at home 2 0 2 0 1 : 1
  Away 4 0 0 4 6 : 13
  6 0 2 4 7 : 14
League One   M. W D L goals
  at home 1 1 0 0 1 : 0
  Away 1 0 0 1 0 : 4
  2 1 0 1 1 : 4
overall   M. W D L goals
  at home 6 1 3 2 4 : 6
  Away 8 0 2 6 11 : 23
  Neutral Place 0 0 0 0 0 : 0
  14 1 5 8 15 : 29
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