Can I Afford to Live in Phoenix vs Koh Samui on $100K?

Here's how a $100K/year salary plays out in both cities after taxes, rent, and core living expenses โ€” based on Q1 2026 data.

Phoenix, AZ
$6,113/mo take-home
Rent: $1,500/mo (25% of take-home)
Comfortable
Koh Samui, TH
$6,321/mo take-home
Rent: $620/mo (10% of take-home)
Very comfortable

Monthly budget breakdown

Expense
Phoenix
AZ
Koh Samui
TH
Monthly take-home (est.)$6,113$6,321
1BR rent$1,500$620
Groceries (est.)$369$380
Transport (est.)$64$150
Utilities$210$70
Internet$60$28
Left after essentials$3,910/month$5,073/month
Koh Samui (Surat Thani Province) has no state income tax, boosting take-home vs Phoenix (AZ rate: 2.5%).

Frequently asked questions

Is $100K a good salary in Phoenix?

At $100K/year in Phoenix, your estimated monthly take-home is $6,113. With 1BR rent around $1,500/month, rent takes up 25% of your take-home. That's considered 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 โ€” $5,073/month vs $3,910/month in Phoenix.

Can I afford to live alone in Phoenix on $100K?

Yes. At $100K in Phoenix, rent takes 25% of your take-home, leaving $3,910/month after essentials. Most financial planners recommend keeping rent below 30%.

Compare other salary bands โ€” Phoenix vs Koh Samui

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