The list is the FIPS codes of New Jersey counties. All the FIPS codes are starting with 34.
| County | FIPS Code |
| Atlantic | 34001 |
| Bergen | 34003 |
| Burlington | 34005 |
| Camden | 34007 |
| Cape May | 34009 |
| Cumberland | 34011 |
| Essex | 34013 |
| Gloucester | 34015 |
| Hudson | 34017 |
| Hunterdon | 34019 |
| Mercer | 34021 |
| Middlesex | 34023 |
| Monmouth | 34025 |
| Morris | 34027 |
| Ocean | 34029 |
| Passaic | 34031 |
| Salem | 34033 |
| Somerset | 34035 |
| Sussex | 34037 |
| Union | 34039 |
| Warren | 34041 |
All codes are cited from United States Department of Agriculture [28].