FIRE Number by City

How Much Do You Need to Retire in Boise?

Boise has gone from hidden gem to one of America's fastest-growing cities, with outdoor recreation and an increasingly diverse economy. At $45,000 in average expenses, it remains FIRE-friendly.

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Avg Annual Expenses

$45,000

$3,750/month

FIRE Number

$1,125,000

25× annual expenses (4% rule)

Monthly Budget

$3,750

Average for Boise, ID

Retiring in Boise, ID: What You Need to Know

Boise's biggest FIRE risk is its own success — home prices tripled between 2015 and 2024, pricing out many newcomers. If you already own, you're sitting on significant equity. Idaho's income tax is a flat 5.8%, but the state offers a grocery tax credit and retirement deductions. Boise's real FIRE appeal is lifestyle arbitrage: outdoor activities (skiing at Bogus Basin, floating the Boise River, hiking the Foothills) are essentially free, replacing expensive urban entertainment. Many Boise FIRE retirees report spending less in retirement because their hobbies cost nothing.

What Does $1,125,000 Get You in Boise, ID?

With a FIRE number of $1,125,000, you can safely withdraw $45,000 per year ($3,750/month) to cover living expenses in Boise, ID. This follows the 4% rule — the widely-used benchmark that says a diversified portfolio can sustain a 4% annual withdrawal rate indefinitely.

How to Reach FIRE for Boise, ID

  1. Know your real expenses. The $45,000 average may not match your lifestyle. Track every dollar for 3 months to get your true number.
  2. Optimize for local taxes. State income tax, property tax, and sales tax vary enormously and directly impact how much you need.
  3. Factor in healthcare. If retiring before 65, budget $400–$800/month for ACA marketplace insurance in Boise, ID.
  4. Run your own numbers. Use the FIRE calculator to enter your actual income, spending, and investments for a personalized timeline.

How Boise, ID compares in our metro dataset

We model 35 U.S. metros with estimated annual expenses. Boise, ID ranks #10 on spending in that list (1 = lowest, 35 = highest). The median metro here is about $50,000 per year; Boise, ID is about $5,000 per year below the median (about 10% lower). The average across these metros is about $52,771. Use the ranking as a sanity check, then plug your rent, taxes, and lifestyle into the FIRE calculator for a personal target.

Frequently asked questions

How much money do I need to retire early in Boise, ID?

A common starting point is 25 times annual spending (the 4% rule). At about $45,000 per year in modeled expenses for Boise, ID, that implies a FIRE number near $1,125,000. Your real target depends on taxes, healthcare before Medicare, rent versus owning, and how spending changes after you stop working.

What does $3,750 per month mean for FIRE in Boise, ID?

The $3,750 figure is annual expenses divided by twelve; it is a benchmark, not a prescription. If your actual spending is lower, your FIRE number falls proportionally. If you spend more, you need a larger portfolio or a later retirement date.

Is Boise, ID a good place for Lean FIRE or Fat FIRE?

Boise, ID can work for either, but the same withdrawal rate feels different when fixed costs are high. Lean FIRE is easier when housing and healthcare are under control; Fat FIRE is viable if income during working years supports higher savings rates. In our dataset of 35 metros, Boise, ID ranks #10 for modeled annual spending.

How should I budget healthcare if I retire before 65 in Boise, ID?

Most early retirees buy marketplace coverage (ACA) or use a spouse plan. Premiums and out-of-pocket caps vary by county and income. Build a line item for insurance plus deductibles; a calculator helps you stress-test whether your planned withdrawal still clears those costs.

Does cost of living in Boise, ID affect Coast FIRE?

Yes. Coast FIRE means you stop adding new investments but still cover current bills from earned income. A higher cost city raises the income you need to coast comfortably, even if your retirement portfolio is already on track to reach full FIRE later.

How do state and local taxes affect my FIRE number in Boise, ID?

Income, property, and sales taxes change how much gross withdrawal you need to fund the same lifestyle. Investment income and Roth versus traditional balances also shift the tax picture. Use modeled expenses as a net-spending target, then adjust if your tax situation is materially different.

Find out exactly when you can retire in Boise, ID

Enter your real numbers to see your Coast FIRE, Barista FIRE, and Full FIRE milestones.

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Essential FIRE guides

Long-form explainers that pair with the calculator on every page.

What is FIRE? A Practical Overview The 4% Rule Explained What is Coast FIRE? What is Barista FIRE? Lean FIRE vs Fat FIRE How Many Years to FIRE?