Can I Afford to Live in San Diego vs São Paulo 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.

San Diego, CA
$5,546/mo take-home
Rent: $2,600/mo (47% of take-home)
Difficult
São Paulo, BR
$6,321/mo take-home
Rent: $720/mo (11% of take-home)
Very comfortable

Monthly budget breakdown

Expense
San Diego
CA
São Paulo
BR
Monthly take-home (est.)$5,546$6,321
1BR rent$2,600$720
Groceries (est.)$414$380
Transport (est.)$100$150
Utilities$130$85
Internet$65$32
Left after essentials$2,237/month$4,954/month
São Paulo (São Paulo State) has no state income tax, boosting take-home vs San Diego (CA rate: 9.3%).

Frequently asked questions

Is $100K a good salary in San Diego?

At $100K/year in San Diego, your estimated monthly take-home is $5,546. With 1BR rent around $2,600/month, rent takes up 47% of your take-home. That's considered difficult.

Is $100K a good salary in São Paulo?

At $100K/year in São Paulo, your estimated monthly take-home is $6,321. With 1BR rent around $720/month, rent takes up 11% of your take-home. That's considered very comfortable.

Which city is more affordable on a $100K salary?

São Paulo leaves you with more money after core expenses — $4,954/month vs $2,237/month in San Diego.

Can I afford to live alone in San Diego on $100K?

It's tight. Rent in San Diego would take 47% of your $100K take-home pay. You may need to find roommates or look at studios to stay within the 30% rule.

Compare other salary bands — San Diego vs São Paulo

See the full cost-of-living comparison

Rent, groceries, taxes, transportation, and more — side by side.

Full comparison

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