Affordability vs median income
Modeled annual costs equal about 48.2% of median family income in DuPage County, IL and 60.2% in Ventura County, CA. This matters because a cheaper county can still feel tight if typical local incomes are also lower.
DuPage County, IL vs Ventura County, CA: Cost of Living Difference
DuPage County, IL is cheaper than Ventura County, CA for modeled annual cost of living. This comparison shows the yearly cost gap, salary needed to keep similar purchasing power, and the categories driving the difference.
Is it cheaper?
DuPage County, IL is cheaper than Ventura County, CA.
Cheaper place
DuPage County, ILSpend $8,173 more per year.Cost gap
Moving to Ventura County, CA is estimated to cost $8,173 more per year.
AnnualSpend $8,173 more per year.
MonthlySpend $681 more per month.
Salary needed
$50,000 in DuPage County, IL is about $56,215 in Ventura County, CA.
Biggest drivers
Housing increases by $2,201 per year. Food saves $208 per year.
DuPage County, IL→Ventura County, CA
Equivalent salary in Ventura County, CA
$56,215
+12.43% higher
Current salary: $50,000
Household: 1 adult · 0 children
Median Income in DuPage County, IL: $136,376
Median Income in Ventura County, CA: $122,868
annual living index in DuPage County, IL 48.23%
annual living index in Ventura County, CA 60.18%
This estimate matches your purchasing power (equivalent salary) when moving from DuPage County, IL to Ventura County, CA.
* Living index is estimated as (estimated annual total cost / area median annual income) * 100. A living index above 100% means modeled costs exceed median income.
Cost of Living Breakdown by Category
Category-by-category comparison
Annual costs are shown for the selected household. The difference column shows how much more or less the category costs in Ventura County, CA compared with DuPage County, IL.
| Category | DuPage County, IL | Ventura County, CA | Annual difference | Monthly impact | Direction |
|---|---|---|---|---|---|
| Housing | $20,251 | $22,452 | +$2,201(10.87%) | +$183 | Higher in Ventura County, CA |
| Taxes | $15,228 | $17,382 | +$2,154(14.14%) | +$180 | Higher in Ventura County, CA |
| Transport | $12,693 | $14,477 | +$1,784(14.05%) | +$149 | Higher in Ventura County, CA |
| Healthcare | $5,054 | $6,678 | +$1,624(32.13%) | +$135 | Higher in Ventura County, CA |
| Other Costs | $7,770 | $8,389 | +$619(7.97%) | +$52 | Higher in Ventura County, CA |
| Food | $4,777 | $4,569 | -$208(-4.35%) | -$17 | Lower in Ventura County, CA |
| Childcare | $0 | $0 | $0(0%) | $0 | About even |
Why this comparison matters
These notes use the actual annual cost differences between DuPage County, IL and Ventura County, CA, so the page highlights the budget tradeoffs behind the total.
Housing
Housing is $2,201 per year higher in Ventura County, CA than in DuPage County, IL. Housing usually behaves like a fixed monthly commitment, so this matters most for renters or buyers checking whether Ventura County, CA changes their baseline budget.
Food
Food is $208 per year lower in Ventura County, CA than in DuPage County, IL. Food costs affect weekly cash flow, so even a smaller modeled gap in Ventura County, CA can show up quickly for households that cook most meals at home.
Transportation
Transportation is $1,784 per year higher in Ventura County, CA than in DuPage County, IL. Transportation matters for commuters because driving distance, vehicle costs, and transit access can change how much of a salary is left after getting around Ventura County, CA.
Healthcare
Healthcare is $1,624 per year higher in Ventura County, CA than in DuPage County, IL. Healthcare differences are useful for planning premiums and out-of-pocket exposure, especially if Ventura County, CA changes provider networks or plan options.
Other necessities
Other necessities is $619 per year higher in Ventura County, CA than in DuPage County, IL. Other necessities cover everyday basics, so changes in Ventura County, CA help explain the non-housing costs that can quietly add up month after month.
Childcare
Childcare is about the same in DuPage County, IL and Ventura County, CA, so this category is not a major driver of the modeled gap. Childcare is most important for households with children; in Ventura County, CA, this line can swing the result even when housing or taxes look manageable.
Taxes
Taxes is $2,154 per year higher in Ventura County, CA than in DuPage County, IL. Taxes affect take-home pay, so the gap in Ventura County, CA matters even if the headline salary looks similar before deductions.
Methodology and data vintage
WatchPennies uses county-level 2026 cost estimates from a 2025-2026 cost-data snapshot. The comparison includes housing, food, transportation, healthcare, childcare, other necessities, taxes, total cost, and median family income context when available.
Read the full methodologyFrequently asked questions
Which is cheaper, DuPage County, IL or Ventura County, CA?
DuPage County, IL is cheaper than Ventura County, CA by about $8,173 per year.
How much salary is needed in Ventura County, CA?
A $50,000 salary in DuPage County, IL is modeled as roughly equivalent to $56,215 in Ventura County, CA for the selected household profile.
What costs are included in this DuPage County, IL vs Ventura County, CA comparison?
The comparison includes housing, food, transportation, healthcare, childcare, other necessities, taxes, total cost, and median family income context when available.
Is this comparison personalized financial advice?
No. WatchPennies comparisons are directional planning estimates based on county-level public datasets, not personalized financial, tax, housing, or relocation advice.
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