Side-by-side tax comparison between Connecticut (6.99% top rate, graduated) and Hawaii (11% top rate, graduated). See which state lets you keep more at every salary level, and how cost of living changes the picture.
Connecticut uses a graduated income tax (3-6.99%) while Hawaii has a graduated system (1.4-11%). On a $100K salary, Connecticut takes $4,544 in state and local taxes compared to Hawaii’s $7,150 \u2014 a difference of $2,607.
Both states use graduated brackets, but Hawaii’s top rate of 11% is higher than Connecticut’s 6.99%.
Connecticut wins at 10 out of 10 salary levels tested. The advantage is consistent and significant across the income spectrum.
| Salary | Connecticut | Hawaii | Difference | Winner |
|---|---|---|---|---|
| $40K | $32,503 | $31,460 | −$1,043 | Connecticut |
| $50K | $40,083 | $38,780 | −$1,303 | Connecticut |
| $60K | $47,664 | $46,100 | −$1,564 | Connecticut |
| $75K | $58,130 | $56,175 | −$1,955 | Connecticut |
| $100K | $74,582 | $71,975 | −$2,607 | Connecticut |
| $120K | $87,743 | $84,615 | −$3,128 | Connecticut |
| $150K | $106,936 | $103,026 | −$3,910 | Connecticut |
| $200K | $139,800 | $134,587 | −$5,213 | Connecticut |
| $250K | $171,905 | $165,389 | −$6,516 | Connecticut |
| $300K | $201,698 | $193,879 | −$7,820 | Connecticut |
Take-home pay only tells part of the story. Connecticut has a cost of living index of 111 while Hawaii is at 192 (national average = 100).
This is a substantial difference. After adjusting for cost of living, $100K in Connecticut has purchasing power of $67,191 compared to $37,487 in Hawaii. Connecticut wins on both raw take-home and cost-adjusted purchasing power, making it the clear winner for a $100K earner.
For a single earner at $100K filing jointly, take-home becomes $80,167 in Connecticut and $77,560 in Hawaii \u2014 a difference of $2,607. The gap remains similar regardless of filing status.
On paper, moving from Hawaii to Connecticut would save $2,607/year on a $100K salary, or $13,033 over 5 years. But relocation involves real costs: moving expenses, potentially buying/selling a home, changing jobs, and adjusting to a new community.
The $2,607/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.