Koh Samui vs Des Moines for Retirees (2026)
Scroll down for retirement income tax breakdown, healthcare estimates, and FAQ.
Full retirement cost breakdown
| Metric | Koh Samui Surat Thani Province | Des Moines Iowa |
|---|---|---|
| 1BR rent / month | $620Better | $1,200 |
| Median home price | — | $255K |
| State income tax | NoneBetter | 5.7% |
| Sales tax (combined) | 7% | 6.9%Better |
| Monthly utilities | $70Better | $155 |
| Groceries index (US = 100) | — | 96 |
| Est. healthcare / month | $250Better | $435 |
| Walk score (0–100) | 35 / 100 | 36 / 100Better |
| Overall COL index (100 = US avg) | 50Better | 87 |
Your biggest money opportunities based on this comparison.
Retirement tax savings
Koh Samui saves ~$238/mo on a $50K retirement income
Keep more of your fixed income. Park the tax savings in a high-yield account to let it compound.
Healthcare savings
Koh Samui saves ~$185/mo on healthcare
Compare Medicare supplement and insurance plans to cover what Medicare doesn't pay.
More to invest
Koh Samui stretches your retirement savings ~43% further
Lower COL means more of your nest egg stays invested. Compare brokerage and IRA accounts.
While you're comparing — don't leave money on the table.
Mortgages
See what you can afford in Des Moines
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 Des Moines 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 better for retirement — Koh Samui or Des Moines?
Based on home prices, taxes on retirement income, walkability, and overall cost of living, Koh Samui scores better for retirees. Koh Samui is approximately 43% cheaper overall. The best choice still depends on climate, healthcare access, and proximity to family.
Is retirement income taxed in Koh Samui or Des Moines?
Surat Thani Province has no state income tax, meaning Social Security, pension, and retirement account withdrawals are not subject to state tax. Iowa has a 5.7% state income tax rate. For retirees, this difference can save thousands annually.
What is the estimated monthly healthcare cost in Koh Samui vs Des Moines?
Based on national average retiree healthcare spending (~$500/month) scaled by each city's cost-of-living index, estimated monthly healthcare costs are approximately $250 in Koh Samui and $435 in Des Moines. That's a difference of ~$185/month, or ~$2,220/year. Actual costs vary based on your Medicare plan, supplements, and health needs.
Can I afford to retire in Koh Samui on a $50,000 annual income?
On a $50,000/year ($4,167/month) retirement income in Koh Samui, rent alone would consume approximately 15% of your budget (1BR rent ~$620/mo) and healthcare another ~6%. That leaves roughly 79% (~$3,292/mo) for groceries, transportation, and other expenses. This is generally considered manageable.
Which city is more walkable for retirees?
Des Moines has a higher walk score (36 vs 35 out of 100). Walkability is increasingly important for retirees who want to reduce car dependence — a score above 70 means most daily errands can be done on foot. Des Moines offers more independence without a car, which also reduces transportation costs.
$50K/year in Koh Samui has the same purchasing power as $87K/year in Des Moines
Healthcare estimates based on national avg retiree spending (~$500/mo) scaled by COL index · State income tax rates from Tax Foundation · Data: Zillow, BLS, Numbeo · Q1 2026