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New Jersey counties

Quick answer

New Jersey has 21 counties and county equivalents holding 9,267,014 residents. The statewide sales tax base rate is 6.625% with no local add-ons.

All 21 counties

Ranked by population, Census 2019-2023 ACS 5-year estimates.

CountyPopulationMedian incomeMedian home valueMedian rent
Bergen County954,717$123,715$593,200$1,863
Middlesex County861,535$109,028$439,300$1,810
Essex County854,130$76,712$494,400$1,459
Hudson County710,478$90,032$508,600$1,811
Ocean County646,434$86,411$366,600$1,702
Monmouth County643,615$122,727$566,500$1,771
Union County572,549$100,117$488,800$1,664
Camden County524,042$86,384$262,200$1,346
Passaic County518,289$87,137$439,400$1,553
Morris County510,375$134,929$557,000$1,860
Burlington County464,226$105,271$326,700$1,669
Mercer County383,286$96,333$351,000$1,515
Somerset County346,203$135,960$523,900$1,921
Gloucester County304,504$102,807$283,500$1,480
Atlantic County274,704$76,819$272,700$1,325
Cumberland County152,915$64,499$205,600$1,254
Sussex County145,117$114,316$342,800$1,503
Hunterdon County129,448$139,453$498,800$1,707
Warren County110,238$99,596$323,100$1,368
Cape May County95,236$88,046$395,000$1,345
Salem County64,973$78,412$223,000$1,185

Source: US Census Bureau, ACS 2019-2023 5-year estimates · rates as published for 2019-2023 ACS 5-year

More New Jersey data.