Connecticut vs Delaware:
Take-Home Pay Comparison
Side-by-side tax comparison between Connecticut (6.99% top rate, graduated) and Delaware (6.6% top rate, graduated). See which state lets you keep more at every salary level, and how cost of living changes the picture.
Tax Structure: Connecticut vs Delaware
Connecticut uses a graduated income tax (3-6.99%) while Delaware has a graduated system (2.2-6.6%). On a $100K salary, Connecticut takes $4,544 in state and local taxes compared to Delaware’s $4,290 \u2014 a difference of $254.
Both states use graduated brackets, but Connecticut’s top rate of 6.99% is higher than Delaware’s 6.6%.
Delaware also has local income taxes (estimated at $0/year on $100K), which Connecticut does not.
Take-Home at Every Salary Level
Delaware wins at 10 out of 10 salary levels tested. The advantage exists but is modest across the income spectrum.
| Salary | Connecticut | Delaware | Difference | Winner |
|---|---|---|---|---|
| $40K | $32,503 | $32,604 | +$101 | Delaware |
| $50K | $40,083 | $40,210 | +$127 | Delaware |
| $60K | $47,664 | $47,816 | +$152 | Delaware |
| $75K | $58,130 | $58,320 | +$190 | Delaware |
| $100K | $74,582 | $74,835 | +$254 | Delaware |
| $120K | $87,743 | $88,047 | +$304 | Delaware |
| $150K | $106,936 | $107,316 | +$380 | Delaware |
| $200K | $139,800 | $140,307 | +$507 | Delaware |
| $250K | $171,905 | $172,539 | +$634 | Delaware |
| $300K | $201,698 | $202,459 | +$761 | Delaware |
Cost of Living: Connecticut (111) vs Delaware (102)
Take-home pay only tells part of the story. Connecticut has a cost of living index of 111 while Delaware is at 102 (national average = 100).
The cost of living gap is moderate. After adjustment, $100K has purchasing power of $67,191 in Connecticut vs $73,368 in Delaware. The take-home winner also wins on purchasing power.
Married Filing Jointly: How It Changes the Comparison
For a single earner at $100K filing jointly, take-home becomes $80,866 in Connecticut and $81,080 in Delaware \u2014 a difference of $215. The gap narrows under married filing, as the wider brackets reduce the tax bite in both states.
Should You Move from Connecticut to Delaware?
On paper, moving from Connecticut to Delaware would save $254/year on a $100K salary, or $1,268 over 5 years. But relocation involves real costs: moving expenses, potentially buying/selling a home, changing jobs, and adjusting to a new community.
At $254/year, the tax difference alone likely isn’t worth relocating for. Other factors — job market, lifestyle, family — should drive the decision. The tax savings are a nice bonus if you’re already considering the move for other reasons.