Can I Afford to Live in Columbus vs Koh Samui 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 | Columbus GA | Koh Samui TH |
|---|---|---|
| Monthly take-home (est.) | $5,863 | $6,321 |
| 1BR rent | $1,100 | $620 |
| Groceries (est.) | $353 | $380 |
| Transport (est.) | $40 | $150 |
| Utilities | $160 | $70 |
| Internet | $58 | $28 |
| Left after essentials | $4,152/month | $5,073/month |
Frequently asked questions
Is $100K a good salary in Columbus?
At $100K/year in Columbus, your estimated monthly take-home is $5,863. With 1BR rent around $1,100/month, rent takes up 19% of your take-home. That's considered very comfortable.
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.
Which city is more affordable on a $100K salary?
Koh Samui leaves you with more money after core expenses — $5,073/month vs $4,152/month in Columbus.
Can I afford to live alone in Columbus on $100K?
Yes. At $100K in Columbus, rent takes 19% of your take-home, leaving $4,152/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