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21 counties
New Jersey: declarations by county
Counties, parishes, boroughs and county-equivalents of New Jersey named in at least one federal declaration. Statewide declarations are counted on the state page, not here.
21 counties
| County | Declarations | Major disasters | Most common hazard | Latest | Population 2024 |
|---|---|---|---|---|---|
| Atlantic County | 36 | 25 | Hurricane | 2021 | 279,114 |
| Cape May County | 34 | 22 | Hurricane | 2021 | 93,875 |
| Essex County | 33 | 21 | Hurricane | 2021 | 881,527 |
| Morris County | 33 | 22 | Hurricane | 2021 | 523,053 |
| Ocean County | 33 | 19 | Hurricane | 2025 | 666,434 |
| Bergen County | 32 | 20 | Hurricane | 2021 | 978,641 |
| Burlington County | 31 | 19 | Hurricane | 2021 | 475,515 |
| Cumberland County | 31 | 20 | Hurricane | 2021 | 155,678 |
| Middlesex County | 30 | 19 | Hurricane | 2021 | 890,119 |
| Passaic County | 30 | 18 | Hurricane | 2021 | 526,597 |
| Somerset County | 30 | 19 | Hurricane | 2021 | 357,467 |
| Union County | 30 | 18 | Hurricane | 2021 | 594,160 |
| Gloucester County | 28 | 17 | Hurricane | 2021 | 311,783 |
| Mercer County | 28 | 17 | Hurricane | 2021 | 392,138 |
| Monmouth County | 28 | 17 | Hurricane | 2021 | 647,520 |
| Sussex County | 28 | 17 | Hurricane | 2021 | 147,444 |
| Warren County | 27 | 16 | Severe Storm | 2023 | 112,031 |
| Hunterdon County | 26 | 15 | Hurricane | 2021 | 131,708 |
| Salem County | 26 | 15 | Hurricane | 2021 | 65,874 |
| Camden County | 25 | 14 | Hurricane | 2021 | 533,988 |
| Hudson County | 24 | 12 | Hurricane | 2021 | 736,185 |