Champaign vs San Diego
Cost of Living Comparison · 2026 Data
Champaign
San Diego
💡 The Verdict
Champaign is 40% cheaper than San Diego overall. A $75,000 salary in Champaign is equivalent to $125,000 in San Diego.
Category-by-Category Breakdown
Index values for Champaign (left) vs San Diego (right). National average = 100.
Detailed Price Comparison
Estimated item-level prices in Champaign versus San Diego. Differences shown from Champaign perspective.
| Item | Champaign | San Diego | Difference |
|---|---|---|---|
| 1-Bed Rent | $790/mo | $1,770/mo | $-980.00 |
| 2-Bed Rent | $1,050/mo | $2,500/mo | $-1450.00 |
| 3-Bed Rent | $1,360/mo | $3,490/mo | $-2130.00 |
| Bread (loaf) | $2.75 | $3.20 | $-0.45 |
| Milk (gallon) | $3.43 | $3.84 | $-0.41 |
| Eggs (dozen) | $3.53 | $3.68 | $-0.15 |
| Coffee (latte) | $5.11 | $6.14 | $-1.03 |
| Gas (gallon) | $3.08 | $3.64 | $-0.56 |
| Restaurant Meal | $15.52 | $22.62 | $-7.10 |
💰 Salary Equivalence
A $75,000 salary in Champaign has the same purchasing power as $125,000 in San Diego.
Conversely, $75,000 in San Diego equals $45,000 in Champaign.
💼 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: Champaign (96) vs San Diego (160)
Champaign at 96 is 4% below the US average, while San Diego at 160 is 60% above average. There is a meaningful cost gap between these two cities that affects day-to-day budgeting.
In Champaign, the composite index of 96 reflects a weighted calculation where housing carries the most influence at 87, followed by groceries (97), utilities (95), transportation (91), and healthcare (94). Costs are fairly balanced across categories.
For renters: With median rents of $1,050/mo in Champaign and $2,500/mo in San Diego, the annual rent difference is approximately $17,400.0. Over a 5-year period, that compounds to $87,000.0 in savings by choosing the more affordable city.
For homebuyers: The $547,000.0 difference in median home prices between Champaign and San Diego 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: Champaign vs San Diego
Choosing between Champaign and San Diego 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.
The cost gap between Champaign and San Diego reflects thousands of individual pricing differences across housing markets, grocery chains, utility providers, and healthcare networks. No two households experience the same effective cost of living even in the same city, which is why the category breakdown matters more than the headline number. Adjust the lifestyle weighting sliders above to see how your spending priorities shift the comparison between these specific metros.