Rockford vs San Francisco
Cost of Living Comparison · 2026 Data
Rockford
San Francisco
💡 The Verdict
Rockford is 58% cheaper than San Francisco overall. A $75,000 salary in Rockford is equivalent to $178,125 in San Francisco.
Category-by-Category Breakdown
Index values for Rockford (left) vs San Francisco (right). National average = 100.
Detailed Price Comparison
Estimated item-level prices in Rockford versus San Francisco. Differences shown from Rockford perspective.
| Item | Rockford | San Francisco | Difference |
|---|---|---|---|
| 1-Bed Rent | $870/mo | $2,370/mo | $-1500.00 |
| 2-Bed Rent | $1,230/mo | $3,400/mo | $-2170.00 |
| 3-Bed Rent | $1,520/mo | $4,530/mo | $-3010.00 |
| Bread (loaf) | $2.56 | $3.13 | $-0.57 |
| Milk (gallon) | $3.40 | $4.60 | $-1.20 |
| Eggs (dozen) | $3.06 | $3.50 | $-0.44 |
| Coffee (latte) | $4.75 | $6.26 | $-1.51 |
| Gas (gallon) | $3.00 | $3.66 | $-0.66 |
| Restaurant Meal | $12.96 | $26.09 | $-13.13 |
💰 Salary Equivalence
A $75,000 salary in Rockford has the same purchasing power as $178,125 in San Francisco.
Conversely, $75,000 in San Francisco equals $31,579 in Rockford.
💼 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: Rockford (80) vs San Francisco (190)
Rockford at 80 is 20% 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 Rockford, the composite index of 80 reflects a weighted calculation where housing carries the most influence at 90, followed by groceries (83), utilities (90), transportation (81), and healthcare (81). Costs are fairly balanced across categories.
For renters: With median rents of $1,230/mo in Rockford and $3,400/mo in San Francisco, the annual rent difference is approximately $26,040.0. Over a 5-year period, that compounds to $130,200.0 in savings by choosing the more affordable city.
For homebuyers: The $890,000.0 difference in median home prices between Rockford 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: Rockford vs San Francisco
Choosing between Rockford 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.
When weighing Rockford against San Francisco, think beyond the composite index. Your personal savings rate, retirement timeline, and family size all influence which cost categories dominate your budget. Someone spending sixty percent of income on housing and childcare will experience these two cities very differently than a single renter whose largest variable expense is dining out. Model your own spending breakdown against the category indices above for the most realistic comparison.