Filing and paying New Jersey income tax
- Return
- Form NJ-1040 for full-year residents, due April 15. You must file if your income is more than $10,000 (single or married filing separately) or $20,000 (other statuses).
- Withholding
- New Jersey uses its own certificate, Form NJ-W4. If you file jointly and your household has more than one paycheck, the form's wage chart picks a rate table that withholds enough for your combined income.
- Estimated payments
- Four installments on Form NJ-1040-ES: April 15, June 15, and September 15, 2026, and January 15, 2027. Interest can apply if you owe more than $400 and paid less than 80% of your tax during the year.
To see how New Jersey sits against every other state on top rate, bracket count and standard deduction, see state income tax rates for 2026 — all 51 jurisdictions in one sortable table.
How New Jersey Income Tax Compares to Neighboring States
Total income tax (federal + state) on a $100,000 annual salary in 2026, single filer using the standard deduction:
| State | State Tax | Total Income Tax | vs. New Jersey |
|---|---|---|---|
| New Jersey (here) | $4,180 | $17,350 | — |
| New York | $4,860 | $18,030 | +$680 |
| Pennsylvania | $3,070 | $16,240 | -$1,110 |
| Delaware | $5,259 | $18,429 | +$1,079 |
A negative "vs." figure means that state collects less total income tax than New Jersey. Federal portion is identical across states; only state tax varies.
Frequently Asked Questions
What is the New Jersey state income tax rate for 2026?
New Jersey state income tax for 2026 ranges from 1.4% on the lowest bracket to 10.75% on income above $1,000,000 (single filer). Most earners stay below the top bracket; the top rate applies only to high earners.
How much income tax will I pay in New Jersey on a $100,000 salary?
For a single filer earning $100,000 in New Jersey in 2026, expect approximately $13,170 in federal income tax and $4,180 in New Jersey state income tax — for a total income tax of about $17,350, an effective rate of 17.4%. This excludes FICA (Social Security and Medicare), which adds roughly 7.65% on top.
Does New Jersey tax 403(b) contributions?
Yes. New Jersey excludes 401(k) deferrals up to the federal limit, but employee contributions to 403(b), 457, and Thrift Savings Plan accounts count as taxable wages in the year you make them. You are not taxed on those contributions again when you withdraw them.
Can renters deduct rent on a New Jersey tax return?
Partly. New Jersey treats 18% of the rent on your main home as property tax. You can deduct that amount, up to the $15,000 property tax limit, or take a $50 credit if that is worth more.
Does New Jersey tax retirement income?
Social Security and U.S. military pensions are exempt. At 62 or older, you can exclude up to $100,000 of pension, annuity, and IRA income on a joint return ($75,000 single) if your total income is $100,000 or less. The exclusion shrinks above that and ends above $150,000.
I live in New Jersey and work in New York. Do I pay tax twice?
No. You pay New York tax on the wages you earn there, and New Jersey gives you a credit for it, up to the New Jersey tax on that income. Because New York's rates are usually higher, many commuters owe New Jersey little or nothing on those wages.
For the preferential federal rates on long-term gains, see the Capital Gains Tax Calculator. For the federal brackets, standard deduction, and Social Security wage base that sit underneath this state calculation, see 2026 Tax Calculators.