Idaho Falls vs Boise for Retirees (2026)

Better for retirees: Idaho Falls~17% cheaper overall
Median Home Price
$310K
Idaho Falls
$410K
Boise
State Income Tax
5.8%
Idaho Falls
5.8%
Boise
Est. Healthcare / month
$435
Idaho Falls
$525
Boise
Walk Score (0–100)
18
Idaho Falls
28
Boise

Scroll down for retirement income tax breakdown, healthcare estimates, and FAQ.

Full retirement cost breakdown

Metric
Idaho Falls
Idaho
Boise
Idaho
1BR rent / month$1,100Better$1,600
Median home price$310KBetter$410K
State income tax5.8%Better5.8%
Sales tax (combined)6%Better6%
Monthly utilities$142Better$145
Groceries index (US = 100)96Better98
Est. healthcare / month$435Better$525
Walk score (0–100)18 / 10028 / 100Better
Overall COL index (100 = US avg)87Better105

Frequently asked questions

Which city is better for retirement — Idaho Falls or Boise?

Based on home prices, taxes on retirement income, walkability, and overall cost of living, Idaho Falls scores better for retirees. Median home prices are $310K in Idaho Falls vs $410K in Boise. Idaho Falls is approximately 17% cheaper overall. The best choice still depends on climate, healthcare access, and proximity to family.

Is retirement income taxed in Idaho Falls or Boise?

Boise has the lower state income tax rate (5.8% 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 Idaho Falls vs Boise?

Based on national average retiree healthcare spending (~$500/month) scaled by each city's cost-of-living index, estimated monthly healthcare costs are approximately $435 in Idaho Falls and $525 in Boise. That's a difference of ~$90/month, or ~$1,080/year. Actual costs vary based on your Medicare plan, supplements, and health needs.

Can I afford to retire in Idaho Falls on a $50,000 annual income?

On a $50,000/year ($4,167/month) retirement income in Idaho Falls, rent alone would consume approximately 26% of your budget (1BR rent ~$1,100/mo) and healthcare another ~10%. That leaves roughly 64% (~$2,667/mo) for groceries, transportation, and other expenses. This is generally considered manageable.

Which city is more walkable for retirees?

Boise has a higher walk score (28 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. Boise offers more independence without a car, which also reduces transportation costs.

Retirement purchasing power

$50K/year in Idaho Falls has the same purchasing power as $60K/year in Boise

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