Side-by-side tax comparison between Delaware (6.6% top rate, graduated) and New Jersey (10.75% top rate, graduated). See which state lets you keep more at every salary level, and how cost of living changes the picture.
Delaware uses a graduated income tax (2.2-6.6%) while New Jersey has a graduated system (1.4-10.75%). On a $100K salary, Delaware takes $4,290 in state and local taxes compared to New Jersey’s $6,988 \u2014 a difference of $2,698.
Both states use graduated brackets, but New Jersey’s top rate of 10.75% is higher than Delaware’s 6.6%.
Delaware also has local income taxes (estimated at $0/year on $100K), which New Jersey does not. This widens the gap beyond just state rates.
Delaware wins at 10 out of 10 salary levels tested. The advantage is consistent and significant across the income spectrum.
| Salary | Delaware | New Jersey | Difference | Winner |
|---|---|---|---|---|
| $40K | $32,604 | $31,525 | −$1,079 | Delaware |
| $50K | $40,210 | $38,861 | −$1,349 | Delaware |
| $60K | $47,816 | $46,198 | −$1,619 | Delaware |
| $75K | $58,320 | $56,297 | −$2,023 | Delaware |
| $100K | $74,835 | $72,138 | −$2,698 | Delaware |
| $120K | $88,047 | $84,810 | −$3,237 | Delaware |
| $150K | $107,316 | $103,270 | −$4,046 | Delaware |
| $200K | $140,307 | $134,912 | −$5,395 | Delaware |
| $250K | $172,539 | $165,795 | −$6,744 | Delaware |
| $300K | $202,459 | $194,366 | −$8,093 | Delaware |
Take-home pay only tells part of the story. Delaware has a cost of living index of 102 while New Jersey is at 115 (national average = 100).
The cost of living gap is moderate. After adjustment, $100K has purchasing power of $73,368 in Delaware vs $62,728 in New Jersey. The take-home winner also wins on purchasing power.
For a single earner at $100K filing jointly, take-home becomes $80,420 in Delaware and $77,723 in New Jersey \u2014 a difference of $2,698. The gap remains similar regardless of filing status.
On paper, moving from New Jersey to Delaware would save $2,698/year on a $100K salary, or $13,488 over 5 years. But relocation involves real costs: moving expenses, potentially buying/selling a home, changing jobs, and adjusting to a new community.
The $2,698/year savings is meaningful but probably not enough to justify a move on its own. However, combined with other factors like career growth, lifestyle preferences, or family proximity, it could tip the scale.