Boise vs Naperville for Retirees (2026)
Scroll down for retirement income tax breakdown, healthcare estimates, and FAQ.
Full retirement cost breakdown
| Metric | Boise Idaho | Naperville Illinois |
|---|---|---|
| 1BR rent / month | $1,600Better | $1,650 |
| Median home price | $410KBetter | $430K |
| State income tax | 5.8% | 5%Better |
| Sales tax (combined) | 6%Better | 8.5% |
| Monthly utilities | $145Better | $158 |
| Groceries index (US = 100) | 98Better | 100 |
| Est. healthcare / month | $525 | $500Better |
| Walk score (0–100) | 28 / 100 | 38 / 100Better |
| Overall COL index (100 = US avg) | 105 | 100Better |
Frequently asked questions
Which city is better for retirement — Boise or Naperville?
Based on home prices, taxes on retirement income, walkability, and overall cost of living, Naperville scores better for retirees. Median home prices are $410K in Boise vs $430K in Naperville. Naperville is approximately 5% cheaper overall. The best choice still depends on climate, healthcare access, and proximity to family.
Is retirement income taxed in Boise or Naperville?
Naperville has the lower state income tax rate (5% vs 5.8%). 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 Naperville?
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 $500 in Naperville. That's a difference of ~$25/month, or ~$300/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?
Naperville has a higher walk score (38 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. Naperville offers more independence without a car, which also reduces transportation costs.
$50K/year in Boise has the same purchasing power as $48K/year in Naperville
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