Can I Afford to Live in San Jose vs Koh Samui on $120K?

Here's how a $120K/year salary plays out in both cities after taxes, rent, and core living expenses — based on Q1 2026 data.

San Jose, CA
$6,225/mo take-home
Rent: $3,000/mo (48% of take-home)
Difficult
Koh Samui, TH
$7,155/mo take-home
Rent: $620/mo (9% of take-home)
Very comfortable
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Monthly budget breakdown

San Jose
CA
Koh Samui
TH
Monthly take-home (est.)
$6,225
$7,155Best ✓
1BR rent
$3,000
$620Best ✓
Groceries (est.)
$437
$380Best ✓
Transport (est.)
$100Best ✓
$150
Utilities
$150
$70Best ✓
Internet
$70
$28Best ✓
Left after essentials
$2,468/month
$5,907/month
Koh Samui (Surat Thani Province) has no state income tax, boosting take-home vs San Jose (CA rate: 9.3%).

Frequently asked questions

Is $120K a good salary in San Jose?

At $120K/year in San Jose, your estimated monthly take-home is $6,225. With 1BR rent around $3,000/month, rent takes up 48% of your take-home. That's considered difficult.

Is $120K a good salary in Koh Samui?

At $120K/year in Koh Samui, your estimated monthly take-home is $7,155. With 1BR rent around $620/month, rent takes up 9% of your take-home. That's considered very comfortable.

Which city is more affordable on a $120K salary?

Koh Samui leaves you with more money after core expenses — $5,907/month vs $2,468/month in San Jose.

Can I afford to live alone in San Jose on $120K?

It's tight. Rent in San Jose would take 48% of your $120K take-home pay. You may need to find roommates or look at studios to stay within the 30% rule.

Compare other salary bands — San Jose vs Koh Samui

$40K$50K$60K$75K$80K$100K$150K

See the full cost-of-living comparison

Rent, groceries, taxes, transportation, and more — 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 · Q1 2026 · For general guidance only