Can You Afford to Live in Boulder on $100,000?
✅ Yes, Comfortably
Yes — $100K provides a comfortable lifestyle in Boulder with room to save.
Monthly After Tax
$6,083
Total Expenses
$648
Remaining
$5,435
Savings Rate
89%
Monthly Budget Breakdown
| Expense | Monthly Cost | % of Income | Share |
|---|---|---|---|
| Rent (1BR avg) | $250 | 4% | |
| Groceries | $53 | 1% | |
| Utilities | $28 | 0% | |
| Transportation | $41 | 1% | |
| Car Insurance | $224 | 4% | |
| Health Insurance | $52 | 1% | |
| Total Expenses | $648 | 11% | |
| Remaining (Savings + Discretionary) | $5,435 | 89% |
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Frequently Asked Questions
How is the budget calculated?
We start with the gross salary ($100,000), subtract estimated federal and CO state taxes (effective rate ~27%), then allocate expenses based on BLS Consumer Expenditure Survey proportions adjusted by Boulder's cost-of-living index (145).
What's not included in the budget?
This budget covers major fixed expenses: rent, groceries, utilities, transportation, car insurance, and health insurance. It does NOT include: dining out, entertainment, clothing, student loans, childcare, savings contributions, or other discretionary spending. The "remaining" amount covers all of these.