Koh Samui vs Boulder for Singles (2026)
Scroll down for rent burden, savings estimate, and FAQ.
Single-person cost breakdown
| Metric | Koh Samui Surat Thani Province | Boulder Colorado |
|---|---|---|
| Studio rent / month | $450Better | $1,800 |
| 1BR rent / month | $620Better | $2,300 |
| Est. single-person income | — | $48K |
| Est. monthly take-home | — | $3,824 |
| Studio rent burden | — | 47% |
| Groceries index (US = 100) | — | 109 |
| State income tax | NoneBetter | 4.4% |
| Walk score | 35 / 100 | 52 / 100Better |
| Overall COL index (100 = US avg) | 50Better | 132 |
Your biggest money opportunities based on this comparison.
Tax savings
Koh Samui saves ~$220/mo on a $60K income
Every dollar counts on a single income. Put tax savings toward a cash-back card that pays you back.
Renters insurance
Koh Samui saves ~$1,350/mo on rent
Solo renters often skip insurance — but your electronics, furniture, and belongings add up fast.
Monthly savings
Boulder: ~$1,296/mo left after rent & living
Start investing that surplus early — even small amounts compound significantly over a career.
While you're comparing — don't leave money on the table.
Mortgages
See what you can afford in Boulder
Compare rates from top lenders before your move — pre-approval is free and won't affect your score.
Home & Auto Insurance
Bundle before you move — save 15–25%
New state means new rates. Lock in Boulder homeowners + auto quotes before your move date.
Moving Rewards Card
Turn closing costs & moving expenses into cash back
Average family spends $6,200 on a move. These cards pay 2–4% back + 0% intro APR on purchases.
Frequently asked questions
Which city is more affordable for a single person — Koh Samui or Boulder?
For a single person, Koh Samui comes out ahead on overall affordability. Studio rents are $450 in Koh Samui vs $1,800 in Boulder. Koh Samui is ~62% cheaper overall, which matters significantly on a single income.
What is the rent burden for a single person in Koh Samui vs Boulder?
Studio rent or income data is not available for Koh Samui.
How much can a single person save each month in Koh Samui vs Boulder?
After rent and basic living expenses (groceries, utilities, transport), a single earner can save approximately —/month in Koh Samui vs $1,296/month in Boulder. These estimates are based on a single-person income of ~60% of median household income and studio rent costs.
Is it worth living alone in Koh Samui vs getting a roommate in Boulder?
Splitting a 1BR in Boulder ($2,300/person) vs a solo studio in Koh Samui ($450): living solo in Koh Samui ($450) is actually cheaper than splitting a 1BR in Boulder ($1,150/person). Factor in the privacy premium and your living preferences when deciding.
Which city is better for a single person's social life?
Walkability is a proxy for urban density and access to dining, entertainment, and social spaces without a car. Boulder scores higher (52/100) — somewhat walkable. For singles, a walkable neighborhood can significantly reduce the cost and friction of having an active social life.
Single-person income estimated at 60% of median household income. Take-home calculated using state income tax rate only. Savings estimate subtracts rent and estimated basic living costs. Data: Zillow, BLS, Numbeo, Tax Foundation · Q1 2026