Can I Afford to Live in Springfield 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.

Springfield, MO
$5,929/mo take-home
Rent: $950/mo (16% 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

Springfield
MO
Koh Samui
TH
Monthly take-home (est.)
$5,929
$6,321Best ✓
1BR rent
$950
$620Best ✓
Groceries (est.)
$353Best ✓
$380
Transport (est.)
$42Best ✓
$150
Utilities
$155
$70Best ✓
Internet
$58
$28Best ✓
Left after essentials
$4,371/month
$5,073/month
Koh Samui (Surat Thani Province) has no state income tax, boosting take-home vs Springfield (MO rate: 4.7%).

Frequently asked questions

Is $100K a good salary in Springfield?

At $100K/year in Springfield, your estimated monthly take-home is $5,929. With 1BR rent around $950/month, rent takes up 16% 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 $4,371/month in Springfield.

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

Yes. At $100K in Springfield, rent takes 16% of your take-home, leaving $4,371/month after essentials. Most financial planners recommend keeping rent below 30%.

Compare other salary bands — Springfield vs Koh Samui

$40K$50K$60K$75K$80K$120K$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