Can I Afford to Live in Bismarck 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.

Bismarck, ND
$6,113/mo take-home
Rent: $1,150/mo (19% of take-home)
Very comfortable
Koh Samui, TH
$6,321/mo take-home
Rent: $620/mo (10% of take-home)
Very comfortable

Monthly budget breakdown

Expense
Bismarck
ND
Koh Samui
TH
Monthly take-home (est.)$6,113$6,321
1BR rent$1,150$620
Groceries (est.)$369$380
Transport (est.)$42$150
Utilities$152$70
Internet$65$28
Left after essentials$4,335/month$5,073/month
Koh Samui (Surat Thani Province) has no state income tax, boosting take-home vs Bismarck (ND rate: 2.5%).

Frequently asked questions

Is $100K a good salary in Bismarck?

At $100K/year in Bismarck, your estimated monthly take-home is $6,113. With 1BR rent around $1,150/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 โ€” $5,073/month vs $4,335/month in Bismarck.

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

Yes. At $100K in Bismarck, rent takes 19% of your take-home, leaving $4,335/month after essentials. Most financial planners recommend keeping rent below 30%.

Compare other salary bands โ€” Bismarck 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