Joliet vs San Francisco
Cost of Living Comparison · 2026 Data
Joliet
San Francisco
💡 The Verdict
Joliet is 50% cheaper than San Francisco overall. A $75,000 salary in Joliet is equivalent to $150,000 in San Francisco.
Category-by-Category Breakdown
Index values for Joliet (left) vs San Francisco (right). National average = 100.
Detailed Price Comparison
Estimated item-level prices in Joliet versus San Francisco. Differences shown from Joliet perspective.
| Item | Joliet | San Francisco | Difference |
|---|---|---|---|
| 1-Bed Rent | $820/mo | $2,370/mo | $-1550.00 |
| 2-Bed Rent | $1,150/mo | $3,400/mo | $-2250.00 |
| 3-Bed Rent | $1,510/mo | $4,530/mo | $-3020.00 |
| Bread (loaf) | $2.52 | $3.13 | $-0.61 |
| Milk (gallon) | $3.98 | $4.60 | $-0.62 |
| Eggs (dozen) | $3.50 | $3.50 | $0.00 |
| Coffee (latte) | $5.57 | $6.26 | $-0.69 |
| Gas (gallon) | $3.35 | $3.66 | $-0.31 |
| Restaurant Meal | $15.79 | $26.09 | $-10.30 |
💰 Salary Equivalence
A $75,000 salary in Joliet has the same purchasing power as $150,000 in San Francisco.
Conversely, $75,000 in San Francisco equals $37,500 in Joliet.
💼 Take-Home Pay Comparison
Estimated annual take-home pay on a $75,000 salary after federal, FICA, and state income taxes.
The $975 difference is driven by California having a higher state income tax rate. Illinois details → · California details →
Reading These Numbers: Joliet (95) vs San Francisco (190)
Joliet at 95 is 5% below the US average, while San Francisco at 190 is 90% above average. There is a meaningful cost gap between these two cities that affects day-to-day budgeting.
In Joliet, the composite index of 95 reflects a weighted calculation where housing carries the most influence at 91, followed by groceries (97), utilities (94), transportation (94), and healthcare (98). Costs are fairly balanced across categories.
For renters: With median rents of $1,150/mo in Joliet and $3,400/mo in San Francisco, the annual rent difference is approximately $27,000.0. Over a 5-year period, that compounds to $135,000.0 in savings by choosing the more affordable city.
For homebuyers: The $905,000.0 difference in median home prices between Joliet and San Francisco translates to meaningful differences in mortgage payments at current rates. Factor this into your budget alongside property taxes and insurance, which also vary by location.
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Making Your Decision: Joliet vs San Francisco
Choosing between Joliet and San Francisco involves more than just comparing index numbers. Consider how each category aligns with your personal spending patterns. If you work from home, transportation costs matter less than housing and utilities. If you eat out frequently, the groceries index may understate your actual food spending — look at the restaurant meal prices in the detailed comparison table above instead.
Long-term affordability in Joliet versus San Francisco depends partly on cost trajectory. Cities experiencing rapid population growth tend to see costs rise faster than established metros where supply has caught up with demand. While our index captures current conditions, consider whether the city trending cheaper today might converge toward average over the next five to ten years as more people discover it. Our quarterly updates help track these shifts over time.