| Ground | FC | Dates | List A | Dates | T20 | Dates |
|---|---|---|---|---|---|---|
| Northampton (County Ground) | 1058 | 1905-2019 | 401 | 1963-2019 | 92 | 2003-2019 |
| Peterborough (Town) | 46 | 1906-1966 | – | – | ||
| Kettering | 65 | 1923-1971 | 4 | 1970-1973 | – | |
| Rushden | 22 | 1924-1963 | – | – | ||
| Wellingborough (Ideal Clothiers) | 1 | 1929 | – | – | ||
| Wellingborough (School) | 43 | 1946-1991 | 17 | 1970-1991 | – | |
| Peterborough (Baker Perkins) | 3 | 1967-1969 | 5 | 1969-1974 | – | |
| Brackley | – | 4 | 1971-1975 | – | ||
| Bedford (School) | – | 2 | 1971-1982 | – | ||
| Luton (Wardown Park) | 11 | 1986-1997 | 24* | 1973-1996 | 1 | 2004 |
| Tring | – | 16 | 1974-1991 | – | ||
| Horton House | – | 2 | 1976-1977 | – | ||
| Bletchley (Manor Fields) | 3 | 1980-1987 | 7 | 1976-1983 | – | |
| Finedon Dolben | – | 3 | 1986-1989 | – | ||
| Milton Keynes (Campbell Park) | – | 3 | 1997-2014 | 4 | 2005-2011 | |
| Stowe School | – | 1 | 2005 | – | – |
Excludes abandoned matches
* does not include two matches in which Northamptonshire were officially the away side.