Quick answer
On $100K in Boise, your take-home is $6,017/month and 1BR rent takes up 23% of that. After rent, utilities, and groceries you have $4,157/month left.
Affordability Calculator · ID
Can I Afford to Live in Boise on $100K?
Real math for $100K/year in Boise, ID: taxes, rent, utilities, groceries, and how much is left. No filler.
Last updated: April 23, 2026
Monthly Budget Breakdown
| Line Item | Monthly |
|---|---|
| Gross income | $8,333 |
| Federal income tax (~22% effective) | −$1,833 |
| State income tax (5.8%) | −$483 |
| Take-home pay | $6,017 |
| 1BR rent (Boise median) | $1,380 |
| Utilities (avg) | $135 |
| Groceries (avg, 1 person) | $345 |
| Left after essentials | $4,157 |
Federal tax uses a rough effective rate. State tax: 5.8%. Essentials = 1BR rent + utilities + groceries.
Affordability Verdict
Comfortably affordable
You're well within the 30% rule — room to save and spend on other things.
Your $100K salary leaves $4,157 per month after 1BR rent ($1,380), utilities ($135), and groceries ($345) in Boise.
What You Can Realistically Afford
Your 30% rent cap: $1,805/month
The standard guideline is to spend no more than 30% of take-home on rent. On $100K inBoise, that's $1,805/month.
1-Bedroom: Within budget
$1,380/mo
23% of take-home
2-Bedroom: Within budget
$1,720/mo
29% of take-home solo
Buy a Home: Out of reach
$445K median
Your ceiling ~$257K · $188K short
50/30/20 Budget for $100K in Boise
Based on $6,017/month take-home.
50% — Needs
$3,008
Rent, utilities, groceries, transport, insurance
30% — Wants
$1,805
Dining out, entertainment, subscriptions, hobbies
20% — Savings
$1,203
Emergency fund, retirement, investments
Frequently Asked Questions
Can I afford a 1-bedroom apartment in Boise on a $100K salary?
On $100K in Boise, your take-home is roughly $6,017/month after federal and state taxes. A 1BR averages $1,380/month, which is 23% of your take-home. That's within the recommended 30% rule.
What is the take-home pay for a $100K salary in Boise?
On a $100K gross salary in Boise, you pay roughly 22% in federal income tax and 6% in state income tax. That leaves approximately $6,017/month in take-home pay.
How much rent can I afford on $100K in Boise?
Using the 30% rule, your rent cap on $100K in Boise is $1,805/month. The median 1BR in Boise is $1,380, so you can comfortably afford a 1BR.
Can I buy a home in Boise on $100K?
On $100K in Boise, your mortgage affordability ceiling is around $257K — well below the $445K median home price. Buying is out of reach at this salary without a large down payment or dual income.