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Interstate Relocation: South Carolina → Illinois

Moving from South Carolina to Illinois: Cost & Tax Comparison

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

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

Effective Tax Rate Change +0.6 pts IL vs SC, $100k single
Annual Tax Savings -$561 Federal + FICA + state, $100k
1BR Rent Change -8.8% Avg 1BR $1,053 vs $1,155/mo
Net Annual Difference +$661 Tax savings + 1BR rent savings

What changes when you move from South Carolina to Illinois

South Carolina has graduated income tax rates up to 5.21% and Illinois has a flat 4.95% income tax. On a $100,000 salary a single filer pays $4,244 in state income tax in South Carolina and $4,805 in state income tax in Illinois. With federal income tax and FICA unchanged, total tax rises by $561 a year after the move. HUD's one-bedroom Fair Market Rent averages $1,155 a month across South Carolina's metro areas and $1,053 across Illinois's (-8.8%). Pay differs too: the BLS median wage across all occupations, weighted by employment in each state's metros, is $46,144 in South Carolina 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: South Carolina

South Carolina 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 South CarolinaNational Relocation Hub

Metropolitan Corridors Between South Carolina & Illinois

Charleston-North Charleston, SC → Chicago-Naperville-Elgin, IL-IN On $100k: $561 more tax and $588 more 1BR rent a year
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Charleston-North Charleston, SC → Peoria, IL On $100k: $561 more tax and $9,240 less 1BR rent a year
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Columbia, SC → Chicago-Naperville-Elgin, IL-IN On $100k: $561 more tax and $7,848 more 1BR rent a year
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Columbia, SC → Peoria, IL On $100k: $561 more tax and $1,980 less 1BR rent a year
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Moving from South Carolina to Illinois: Cost & Tax Comparison Overview

Moving from South Carolina to Illinois on a $100,000 salary: pay $561 more in total taxes per year; average one-bedroom rent is $1,053 vs $1,155 a month (HUD.

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

For a single filer earning $100,000 with no local income tax, total federal, FICA and state taxes are $561 higher in Illinois than in South Carolina (0.6 percentage points of gross pay). The average HUD one-bedroom Fair Market Rent across Illinois's metros is $1,053 a month, versus $1,155 in South Carolina (-8.8%). Taxes and one-bedroom rent combined change by +$661 a year.

What are the key tax differences between South Carolina and Illinois?

South Carolina: Graduated Brackets, top rate 5.21%. Illinois: Flat Tax, top rate 4.95%. Federal income tax and FICA are the same in both states.