Boise vs Charleston for Retirees (2026)
Scroll down for retirement income tax breakdown, healthcare estimates, and FAQ.
Full retirement cost breakdown
| Metric | Boise Idaho | Charleston South Carolina |
|---|---|---|
| 1BR rent / month | $1,600Better | $1,900 |
| Median home price | $410KBetter | $430K |
| State income tax | 5.8%Better | 6.2% |
| Sales tax (combined) | 6%Better | 7.5% |
| Monthly utilities | $145Better | $162 |
| Groceries index (US = 100) | 98Better | 99 |
| Est. healthcare / month | $525 | $485Better |
| Walk score (0–100) | 28 / 100 | 48 / 100Better |
| Overall COL index (100 = US avg) | 105 | 97Better |
Frequently asked questions
Which city is better for retirement — Boise or Charleston?
Boise and Charleston are closely matched for retirees. Housing costs, tax burden, and overall affordability are similar. Your specific priorities — climate, walkability, family proximity — should guide the decision.
Is retirement income taxed in Boise or Charleston?
Boise has the lower state income tax rate (5.8% vs 6.2%). Note that many states exempt Social Security income and some pension income from state taxes even when other income is taxed — check your specific state's retirement tax rules.
What is the estimated monthly healthcare cost in Boise vs Charleston?
Based on national average retiree healthcare spending (~$500/month) scaled by each city's cost-of-living index, estimated monthly healthcare costs are approximately $525 in Boise and $485 in Charleston. That's a difference of ~$40/month, or ~$480/year. Actual costs vary based on your Medicare plan, supplements, and health needs.
Can I afford to retire in Boise on a $50,000 annual income?
On a $50,000/year ($4,167/month) retirement income in Boise, rent alone would consume approximately 38% of your budget (1BR rent ~$1,600/mo) and healthcare another ~13%. That leaves roughly 49% (~$2,042/mo) for groceries, transportation, and other expenses. This is tight — a studio apartment or lower-cost neighborhood would help.
Which city is more walkable for retirees?
Charleston has a higher walk score (48 vs 28 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. Charleston offers more independence without a car, which also reduces transportation costs.
$50K/year in Boise has the same purchasing power as $46K/year in Charleston
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