Fort Collins vs Idaho Falls for Retirees (2026)
Scroll down for retirement income tax breakdown, healthcare estimates, and FAQ.
Full retirement cost breakdown
| Metric | Fort Collins Colorado | Idaho Falls Idaho |
|---|---|---|
| 1BR rent / month | $1,700 | $1,100Better |
| Median home price | $520K | $310KBetter |
| State income tax | 4.4%Better | 5.8% |
| Sales tax (combined) | 7.5% | 6%Better |
| Monthly utilities | $140Better | $142 |
| Groceries index (US = 100) | 101 | 96Better |
| Est. healthcare / month | $495 | $435Better |
| Walk score (0–100) | 36 / 100Better | 18 / 100 |
| Overall COL index (100 = US avg) | 99 | 87Better |
Frequently asked questions
Which city is better for retirement — Fort Collins or Idaho Falls?
Fort Collins and Idaho Falls 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 Fort Collins or Idaho Falls?
Fort Collins has the lower state income tax rate (4.4% 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 Fort Collins vs Idaho Falls?
Based on national average retiree healthcare spending (~$500/month) scaled by each city's cost-of-living index, estimated monthly healthcare costs are approximately $495 in Fort Collins and $435 in Idaho Falls. That's a difference of ~$60/month, or ~$720/year. Actual costs vary based on your Medicare plan, supplements, and health needs.
Can I afford to retire in Fort Collins on a $50,000 annual income?
On a $50,000/year ($4,167/month) retirement income in Fort Collins, rent alone would consume approximately 41% of your budget (1BR rent ~$1,700/mo) and healthcare another ~12%. That leaves roughly 47% (~$1,958/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?
Fort Collins has a higher walk score (36 vs 18 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. Fort Collins offers more independence without a car, which also reduces transportation costs.
$50K/year in Fort Collins has the same purchasing power as $44K/year in Idaho Falls
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