Quick answer
Idaho has lower average 1BR rent ($1,380/mo vs $2,100/mo). State income tax: Idaho (5.8%) vs Hawaii (11% (top)) — on a $120K salary that's $1,440/year difference.
State Comparison · 2026
Hawaii vs Idaho
Side-by-side on state income tax, rent, home prices, climate, and top metros — with specific dollar numbers for every claim.
Last updated: April 23, 2026
Hawaii vs Idaho at a Glance
| Metric | Hawaii | Idaho |
|---|---|---|
| Avg 1BR rent (major metros) | $2,100 | $1,380 ✓ |
| Avg median home price | $875K | $445K ✓ |
| Cheapest city | Honolulu ($2,100) | Boise ($1,380) ✓ |
| Priciest city | Honolulu ($2,100) | Boise ($1,380) |
| State income tax | 11% (top) | 5.8% ✓ |
| Avg walkability | 64/100 ✓ | 42/100 |
| Cities tracked | 1 | 1 |
✓ marks the lower or more favorable value. Averages use the major metros we track in each state.
State Income Tax: Real Savings
What the rate gap actually looks like in your paycheck. Lower rate: Idaho (5.8%).
Salary $80K
$960
/year saved in Idaho
Salary $120K
$1,440
/year saved in Idaho
Salary $200K
$2,400
/year saved in Idaho
Calculation uses the effective state rate difference × gross salary. Doesn't include property tax, sales tax, or federal impact.
Deep Dive: Each State
Hawaii (HI)
Tax reality
State income tax reaches 11% at top bracket. Add GET (Gross Excise Tax) at 4.712% applied to most services and products, plus real estate conveyance tax of ~0.5% on property sales. A $400k home purchase costs $2,000 in conveyance tax alone.
Top cities (1 tracked)
Top drawbacks
- ✕Groceries cost 40–60% more than mainland USA. A gallon of milk runs $8–10 in Honolulu.
- ✕Housing median price $1.1M on Oahu (2024). Rental vacancy below 2%—nearly impossible to find apartments.
- ✕Limited job market outside tourism, military, and government. Career mobility requires leaving.
Idaho (ID)
Tax reality
Idaho has a 5.8% flat state income tax (moderate). Property tax is low (~0.6% effective). Sales tax 6%. No estate tax. Overall moderate tax burden.
Top cities (1 tracked)
Top drawbacks
- ✕Housing growth has outpaced wage growth. Long-time Idaho residents have been priced out of Boise proper.
- ✕Summer wildfire smoke affects air quality regularly — July through September can have multiple weeks of AQI 150-200+.
- ✕Idaho is deeply conservative politically, with some policy shifts (abortion, LGBTQ+, religion in schools) recently tightening. Boise specifically leans moderate; the rest of the state is more conservative.
Frequently Asked Questions
Is Hawaii or Idaho cheaper to live in?
Idaho has lower average 1BR rent across major metros — $1,380/mo vs $2,100/mo in Hawaii, a $720/mo difference. Home prices: Idaho median is $445K vs $875K.
Hawaii vs Idaho: which has lower state income tax?
Idaho has lower state income tax (5.8%) vs 11% (top) in Hawaii. On an $80K salary that's $960/year in savings. On $200K, savings grow to $2,400/year.
Should I move from Hawaii to Idaho?
State income tax reaches 11% at top bracket. Add GET (Gross Excise Tax) at 4.712% applied to most services and products, plus real estate conveyance tax of ~0.5% on property sales. A $400k home purchase costs $2,000 in conveyance tax alone.
What are the best cities in Hawaii vs Idaho?
Hawaii's largest metros include Honolulu. Idaho's largest metros include Boise. Cost of living varies significantly within each state — a Hawaii suburb can be 40% cheaper than its flagship city, and vice versa.