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Interstate Relocation: Illinois → California

Moving from Illinois to California: Cost & Tax Comparison

Compare state income tax savings, HUD rent differentials, and household purchasing power adjustments when relocating from Illinois to California.

Data updated · Sources: HUD FY 2027 Fair Market Rents, EPI 2026 Family Budget, 2026 tax tables · Methodology

Effective Tax Rate Change +1.4 pts CA vs IL, $100k single
Annual Tax Savings -$1,406 Federal + FICA + state, $100k
1BR Rent Change +80.4% Avg 1BR $1,899 vs $1,053/mo
Net Annual Difference -$11,561 Tax savings + 1BR rent savings

What changes when you move from Illinois to California

Illinois has a flat 4.95% income tax and California has graduated income tax rates up to 13.3%. On a $100,000 salary a single filer pays $4,805 in state income tax in Illinois and $4,911 in state income tax in California. With federal income tax and FICA unchanged, total tax rises by $1,406 a year after the move. HUD's one-bedroom Fair Market Rent averages $1,053 a month across Illinois's metro areas and $1,899 across California's (+80.4%). Pay differs too: the BLS median wage across all occupations, weighted by employment in each state's metros, is $54,104 in Illinois and $58,891 in California. City and county income taxes, which some localities add, are not included in these state-level figures; the metro routes below include them.

Origin State: Illinois

Illinois Paycheck & Living Costs

Paycheck Living Cost Salaries
Destination State: California

California Paycheck & Living Costs

Paycheck Living Cost Salaries
Reverse Corridor Analysis:
Moving from California to IllinoisNational Relocation Hub

Metropolitan Corridors Between Illinois & California

Chicago-Naperville-Elgin, IL-IN → Los Angeles-Long Beach-Anaheim, CA On $100k: $1,406 more tax and $7,464 more 1BR rent a year
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Chicago-Naperville-Elgin, IL-IN → Riverside-San Bernardino-Ontario, CA On $100k: $1,406 more tax and $900 less 1BR rent a year
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Peoria, IL → Los Angeles-Long Beach-Anaheim, CA On $100k: $1,406 more tax and $17,292 more 1BR rent a year
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Peoria, IL → Riverside-San Bernardino-Ontario, CA On $100k: $1,406 more tax and $8,928 more 1BR rent a year
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Moving from Illinois to California: Cost & Tax Comparison Overview

Moving from Illinois to California on a $100,000 salary: pay $1,406 more in total taxes per year; average one-bedroom rent is $1,899 vs $1,053 a month (HUD.

Quick answers
How much money will I save moving from Illinois to California?

For a single filer earning $100,000 with no local income tax, total federal, FICA and state taxes are $1,406 higher in California than in Illinois (1.4 percentage points of gross pay). The average HUD one-bedroom Fair Market Rent across California's metros is $1,899 a month, versus $1,053 in Illinois (+80.4%). Taxes and one-bedroom rent combined change by -$11,561 a year.

What are the key tax differences between Illinois and California?

Illinois: Flat Tax, top rate 4.95%. California: Graduated Brackets, top rate 13.3%. Federal income tax and FICA are the same in both states.