Can I Afford to Live in Koh Samui vs Boise on $100K?
Here's how a $100K/year salary plays out in both cities after taxes, rent, and core living expenses — based on Q1 2026 data.
Monthly budget breakdown
| Expense | Koh Samui TH | Boise ID |
|---|---|---|
| Monthly take-home (est.) | $6,321 | $5,838 |
| 1BR rent | $620 | $1,600 |
| Groceries (est.) | $380 | $372 |
| Transport (est.) | $150 | $45 |
| Utilities | $70 | $145 |
| Internet | $28 | $60 |
| Left after essentials | $5,073/month | $3,616/month |
Frequently asked questions
Is $100K a good salary in Koh Samui?
At $100K/year in Koh Samui, your estimated monthly take-home is $6,321. With 1BR rent around $620/month, rent takes up 10% of your take-home. That's considered very comfortable.
Is $100K a good salary in Boise?
At $100K/year in Boise, your estimated monthly take-home is $5,838. With 1BR rent around $1,600/month, rent takes up 27% of your take-home. That's considered comfortable.
Which city is more affordable on a $100K salary?
Koh Samui leaves you with more money after core expenses — $5,073/month vs $3,616/month in Boise.
Can I afford to live alone in Koh Samui on $100K?
Yes. At $100K in Koh Samui, rent takes 10% of your take-home, leaving $5,073/month after essentials. Most financial planners recommend keeping rent below 30%.
See the full cost-of-living comparison
Rent, groceries, taxes, transportation, and more — side by side.
Take-home estimates use simplified federal/state brackets and do not account for pre-tax deductions, 401(k), or local taxes. Data: Zillow, BLS, Numbeo · Q1 2026 · For general guidance only