Can I Afford to Live in Koh Samui vs Sacramento on $40K?

Here's how a $40K/year salary plays out in both cities after taxes, rent, and core living expenses โ€” based on Q1 2026 data.

Koh Samui, TH
$2,728/mo take-home
Rent: $620/mo (23% of take-home)
Comfortable
Sacramento, CA
$2,418/mo take-home
Rent: $2,000/mo (83% of take-home)
Difficult

Monthly budget breakdown

Expense
Koh Samui
TH
Sacramento
CA
Monthly take-home (est.)$2,728$2,418
1BR rent$620$2,000
Groceries (est.)$380$403
Transport (est.)$150$100
Utilities$70$150
Internet$28$65
Left after essentials$1,480/month-$300/month
Koh Samui (Surat Thani Province) has no state income tax, boosting take-home vs Sacramento (CA rate: 9.3%).

Frequently asked questions

Is $40K a good salary in Koh Samui?

At $40K/year in Koh Samui, your estimated monthly take-home is $2,728. With 1BR rent around $620/month, rent takes up 23% of your take-home. That's considered comfortable.

Is $40K a good salary in Sacramento?

At $40K/year in Sacramento, your estimated monthly take-home is $2,418. With 1BR rent around $2,000/month, rent takes up 83% of your take-home. That's considered difficult.

Which city is more affordable on a $40K salary?

Koh Samui leaves you with more money after core expenses โ€” $1,480/month vs $-300/month in Sacramento.

Can I afford to live alone in Koh Samui on $40K?

Yes. At $40K in Koh Samui, rent takes 23% of your take-home, leaving $1,480/month after essentials. Most financial planners recommend keeping rent below 30%.

Compare other salary bands โ€” Koh Samui vs Sacramento

See the full cost-of-living comparison

Rent, groceries, taxes, transportation, and more โ€” side by side.

Full comparison

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 ยท Q1 2026 ยท For general guidance only