Can I Afford to Live in San Antonio vs St. Louis on $100K?
Here's how a $100K/year salary plays out in both cities after taxes, rent, and core living expenses — based on Q1 2026 data.
Monthly budget breakdown
| Expense | San Antonio TX | St. Louis MO |
|---|---|---|
| Monthly take-home (est.) | $6,321 | $5,929 |
| 1BR rent | $1,100 | $1,300 |
| Groceries (est.) | $353 | $369 |
| Transport (est.) | $48 | $75 |
| Utilities | $175 | $162 |
| Internet | $60 | $60 |
| Left after essentials | $4,585/month | $3,963/month |
Frequently asked questions
Is $100K a good salary in San Antonio?
At $100K/year in San Antonio, your estimated monthly take-home is $6,321. With 1BR rent around $1,100/month, rent takes up 17% of your take-home. That's considered very comfortable.
Is $100K a good salary in St. Louis?
At $100K/year in St. Louis, your estimated monthly take-home is $5,929. With 1BR rent around $1,300/month, rent takes up 22% of your take-home. That's considered very comfortable.
Which city is more affordable on a $100K salary?
San Antonio leaves you with more money after core expenses — $4,585/month vs $3,963/month in St. Louis.
Can I afford to live alone in San Antonio on $100K?
Yes. At $100K in San Antonio, rent takes 17% of your take-home, leaving $4,585/month after essentials. Most financial planners recommend keeping rent below 30%.
See the full cost-of-living comparison
Rent, groceries, taxes, transportation, and more — side by side.
Take-home estimates use simplified federal/state brackets and do not account for pre-tax deductions, 401(k), or local taxes. Data: Zillow, BLS, Numbeo · Q1 2026 · For general guidance only