Retire Modestly in Boise, ID (2026)
Small apartment, cook at home, public transit, minimal travel. In Boise (COL 105), this costs $2,800/month — a $2K more than the US average.
Monthly budget breakdown
Estimated monthly expenses for a modest retirement in Boise (COL-adjusted from national baseline).
| Category | Monthly | Annual | % of budget |
|---|---|---|---|
| Housing | $924 | $11,088 | 33% |
| Food | $420 | $5,040 | 15% |
| Healthcare | $392 | $4,704 | 14% |
| Transport | $336 | $4,032 | 12% |
| Leisure | $392 | $4,704 | 14% |
| Misc | $336 | $4,032 | 12% |
| Total | $2,800 | $33,600 | 100% |
How long to save $840K?
Time to reach your nest egg target investing at 7% annual return (S&P 500 historical avg).
| Monthly savings | Years to retire | Retirement age (start 30) |
|---|---|---|
| $1,000/mo | 26 yrs | Age 56 |
| $2,000/mo | 18 yrs | Age 48 |
| $3,000/mo | 14 yrs | Age 44 |
| $5,000/mo | 10 yrs | Age 40 |
| $8,000/mo | 7 yrs | Age 37 |
Boise vs US average — Modest retirement
Other retirement tiers in Boise
Frequently asked questions
How much does a modest retirement cost in Boise?
A modest retirement in Boise costs approximately $33,600/year or $2,800/month — based on a 105 cost-of-living index (US avg = 100). Using the 4% safe withdrawal rule, you need a nest egg of about $840K.
How long will it take to save $840K for retirement in Boise?
Saving $2,000/month at a 7% average annual return would take roughly 18 years to accumulate $840K. At $3,000/month, it would take about 14 years. These estimates assume consistent investing in a diversified portfolio.
What is the biggest expense in a modest retirement in Boise?
Housing is the largest expense at roughly 33% of the budget ($924/month). Healthcare ($392/month) is the second-largest category.
4% safe withdrawal rule · 7% annualized return assumption · COL-adjusted from BLS data · Q1 2026 estimates