Santa Clara County, CA vs Cook County, IL: Cost of Living Difference

Is it cheaper?

Cook County, IL is cheaper than Santa Clara County, CA.

Moving to Cook County, IL is estimated to save $35,960 per year.

Cheaper cost of living

Cheaper County

Cook County, ILSave about $35,960 per year.

Salary needed

$50,000 in Santa Clara County, CA is about $30,320 in Cook County, IL.

Biggest drivers

No measured category is higher in Cook County, IL. Housing saves $14,118 per year.

Housing: $14,118 lower in Cook County, IL

Taxes: $12,394 lower in Cook County, IL

Childcare: about the same in both counties

Healthcare: $1,067 lower in Cook County, IL

Food: $311 lower in Cook County, IL

Transport: $3,589 lower in Cook County, IL

Santa Clara County, CACook County, IL
Equivalent salary in Cook County, IL
$30,320
-39.36% lower
Current salary: $50,000
Household: 1 adult · 0 children
Median Income in Santa Clara County, CA: $182,053
Median Income in Cook County, IL: $102,297
Living Index in Santa Clara County, CA 50.18%
Living Index in Cook County, IL 54.16%

This estimate matches your purchasing power (equivalent salary) when moving from Santa Clara County, CA to Cook County, IL.

* Living index is estimated as (estimated total cost / area median income) * 100. A living index above 100% means modeled costs exceed median income.

Cost of Living Breakdown by Category

Summary

Moving from Santa Clara County, CA to Cook County, IL is estimated to save $35,960 per year. A $50,000 salary in Santa Clara County, CA would have similar purchasing power to about $30,320 in Cook County, IL. The largest savings come from housing and taxes.

This is a -39.36% decrease in modeled annual costs. Housing is $14,118 per year lower (-45.11%); Taxes is $12,394 per year lower (-51.37%).

Below we break down the annual categories behind the difference using Economic Policy Institute 2026 Family Budget data.

Why this comparison matters

These notes use the actual annual cost differences between Santa Clara County, CA and Cook County, IL, so the page highlights the budget tradeoffs behind the total.

Salary needed

A $50,000 salary in Santa Clara County, CA would need to be about $30,320 in Cook County, IL, or $19,680 less, to match the modeled cost ratio.

Affordability vs median income

Modeled annual costs equal about 50.2% of median family income in Santa Clara County, CA and 54.2% in Cook County, IL. This matters because a cheaper county can still feel tight if typical local incomes are also lower.

Housing

Housing is $14,118 per year lower in Cook County, IL than in Santa Clara County, CA. Housing usually behaves like a fixed monthly commitment, so this matters most for renters or buyers checking whether Cook County, IL changes their baseline budget.

Food

Food is $311 per year lower in Cook County, IL than in Santa Clara County, CA. Food costs affect weekly cash flow, so even a smaller annual gap in Cook County, IL can show up quickly for households that cook most meals at home.

Transportation

Transportation is $3,589 per year lower in Cook County, IL than in Santa Clara County, CA. Transportation matters for commuters because driving distance, vehicle costs, and transit access can change how much of a salary is left after getting around Cook County, IL.

Healthcare

Healthcare is $1,067 per year lower in Cook County, IL than in Santa Clara County, CA. Healthcare differences are useful for planning premiums and out-of-pocket exposure, especially if Cook County, IL changes provider networks or plan options.

Other necessities

Other necessities is $4,480 per year lower in Cook County, IL than in Santa Clara County, CA. Other necessities cover everyday basics, so changes in Cook County, IL help explain the non-housing costs that can quietly add up month after month.

Childcare

Childcare is about the same in Santa Clara County, CA and Cook County, IL, so this category is not a major driver of the modeled gap. Childcare is most important for households with children; in Cook County, IL, this line can swing the result even when housing or taxes look manageable.

Taxes

Taxes is $12,394 per year lower in Cook County, IL than in Santa Clara County, CA. Taxes affect take-home pay, so the gap in Cook County, IL matters even if the headline salary looks similar before deductions.

What changed the most?

The following cards show the annual category differences that most affect the move to Cook County, IL.

Biggest Cost
Largest annual cost increase when moving to Cook County, IL
Annual Increase:

No increase

No measured category is higher in Cook County, IL.

Biggest Savings
Largest annual savings when moving to Cook County, IL
Annual Savings:

$14,118 per year

HOUSING has the largest annual savings when moving to Cook County, IL.

Breakdown of price percentages per category.

Numbers are average costs per section.

CategoryDifference
Housing-45% lower
Food-6% lower
Transport-26% lower
Healthcare-18% lower
Other Costs-40% lower
Childcare0% higher
Taxes-51% lower

In Cook County, IL, modeled annual costs are $55,399 compared with $91,359 in Santa Clara County, CA.

Overall, annual costs are lower in Cook County, IL. The category breakdown above shows where the move creates the most room in the budget.

In this case Cook County, IL and Santa Clara County, CA are both metropolitan locations.

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Cost of living methodology and data sources
Santa Clara County, CA vs Cook County, IL Cost of Living (2026)