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Interstate Relocation: Illinois → Oklahoma

Moving from Illinois to Oklahoma: Cost & Tax Comparison

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

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

Effective Tax Rate Change -0.9 pts OK vs IL, $100k single
Annual Tax Savings +$851 Federal + FICA + state, $100k
1BR Rent Change -21.2% Avg 1BR $830 vs $1,053/mo
Net Annual Difference +$3,524 Tax savings + 1BR rent savings

What changes when you move from Illinois to Oklahoma

Illinois has a flat 4.95% income tax and Oklahoma has graduated income tax rates up to 4.5%. On a $100,000 salary a single filer pays $4,805 in state income tax in Illinois and $3,955 in state income tax in Oklahoma. With federal income tax and FICA unchanged, total tax falls by $851 a year after the move. HUD's one-bedroom Fair Market Rent averages $1,053 a month across Illinois's metro areas and $830 across Oklahoma's (-21.2%). Pay differs too: the BLS median wage across all occupations, weighted by employment in each state's metros, is $54,104 in Illinois and $46,703 in Oklahoma. 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: Oklahoma

Oklahoma Paycheck & Living Costs

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

Metropolitan Corridors Between Illinois & Oklahoma

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

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

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

For a single filer earning $100,000 with no local income tax, total federal, FICA and state taxes are $851 lower in Oklahoma than in Illinois (0.9 percentage points of gross pay). The average HUD one-bedroom Fair Market Rent across Oklahoma's metros is $830 a month, versus $1,053 in Illinois (-21.2%). Taxes and one-bedroom rent combined change by +$3,524 a year.

What are the key tax differences between Illinois and Oklahoma?

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