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Interstate Relocation: Oklahoma → Illinois

Moving from Oklahoma to Illinois: Cost & Tax Comparison

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

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

Effective Tax Rate Change +0.9 pts IL vs OK, $100k single
Annual Tax Savings -$851 Federal + FICA + state, $100k
1BR Rent Change +26.8% Avg 1BR $1,053 vs $830/mo
Net Annual Difference -$3,524 Tax savings + 1BR rent savings

What changes when you move from Oklahoma to Illinois

Oklahoma has graduated income tax rates up to 4.5% and Illinois has a flat 4.95% income tax. On a $100,000 salary a single filer pays $3,955 in state income tax in Oklahoma and $4,805 in state income tax in Illinois. With federal income tax and FICA unchanged, total tax rises by $851 a year after the move. HUD's one-bedroom Fair Market Rent averages $830 a month across Oklahoma's metro areas and $1,053 across Illinois's (+26.8%). Pay differs too: the BLS median wage across all occupations, weighted by employment in each state's metros, is $46,703 in Oklahoma and $54,104 in Illinois. 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: Oklahoma

Oklahoma Paycheck & Living Costs

Paycheck Living Cost Salaries
Destination State: Illinois

Illinois Paycheck & Living Costs

Paycheck Living Cost Salaries
Reverse Corridor Analysis:
Moving from Illinois to OklahomaNational Relocation Hub

Metropolitan Corridors Between Oklahoma & Illinois

Oklahoma City, OK → Chicago-Naperville-Elgin, IL-IN On $100k: $851 more tax and $8,880 more 1BR rent a year
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Oklahoma City, OK → Peoria, IL On $100k: $851 more tax and $948 less 1BR rent a year
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Tulsa, OK → Chicago-Naperville-Elgin, IL-IN On $100k: $851 more tax and $9,276 more 1BR rent a year
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Tulsa, OK → Peoria, IL On $100k: $851 more tax and $552 less 1BR rent a year
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Moving from Oklahoma to Illinois: Cost & Tax Comparison Overview

Moving from Oklahoma to Illinois on a $100,000 salary: pay $851 more in total taxes per year; average one-bedroom rent is $1,053 vs $830 a month (HUD FMR).

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

For a single filer earning $100,000 with no local income tax, total federal, FICA and state taxes are $851 higher in Illinois than in Oklahoma (0.9 percentage points of gross pay). The average HUD one-bedroom Fair Market Rent across Illinois's metros is $1,053 a month, versus $830 in Oklahoma (+26.8%). Taxes and one-bedroom rent combined change by -$3,524 a year.

What are the key tax differences between Oklahoma and Illinois?

Oklahoma: Graduated Brackets, top rate 4.5%. Illinois: Flat Tax, top rate 4.95%. Federal income tax and FICA are the same in both states.