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Interstate Relocation: Pennsylvania → Illinois

Moving from Pennsylvania to Illinois: Cost & Tax Comparison

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

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

Effective Tax Rate Change +1.7 pts IL vs PA, $100k single
Annual Tax Savings -$1,735 Federal + FICA + state, $100k
1BR Rent Change -4.4% Avg 1BR $1,053 vs $1,101/mo
Net Annual Difference -$1,155 Tax savings + 1BR rent savings

What changes when you move from Pennsylvania to Illinois

Pennsylvania has a flat 3.07% income tax and Illinois has a flat 4.95% income tax. On a $100,000 salary a single filer pays $3,070 in state income tax in Pennsylvania and $4,805 in state income tax in Illinois. With federal income tax and FICA unchanged, total tax rises by $1,735 a year after the move. HUD's one-bedroom Fair Market Rent averages $1,101 a month across Pennsylvania's metro areas and $1,053 across Illinois's (-4.4%). Pay differs too: the BLS median wage across all occupations, weighted by employment in each state's metros, is $51,280 in Pennsylvania 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: Pennsylvania

Pennsylvania 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 PennsylvaniaNational Relocation Hub

Metropolitan Corridors Between Pennsylvania & Illinois

Philadelphia-Camden-Wilmington, PA-NJ-DE-MD → Chicago-Naperville-Elgin, IL-IN On $100k: $2,000 less tax and $2,664 more 1BR rent a year
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Philadelphia-Camden-Wilmington, PA-NJ-DE-MD → Peoria, IL On $100k: $2,000 less tax and $7,164 less 1BR rent a year
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Pittsburgh, PA → Chicago-Naperville-Elgin, IL-IN On $100k: $1,317 less tax and $7,608 more 1BR rent a year
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Pittsburgh, PA → Peoria, IL On $100k: $1,317 less tax and $2,220 less 1BR rent a year
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Moving from Pennsylvania to Illinois: Cost & Tax Comparison Overview

Moving from Pennsylvania to Illinois on a $100,000 salary: pay $1,735 more in total taxes per year; average one-bedroom rent is $1,053 vs $1,101 a month (HUD.

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

For a single filer earning $100,000 with no local income tax, total federal, FICA and state taxes are $1,735 higher in Illinois than in Pennsylvania (1.7 percentage points of gross pay). The average HUD one-bedroom Fair Market Rent across Illinois's metros is $1,053 a month, versus $1,101 in Pennsylvania (-4.4%). Taxes and one-bedroom rent combined change by -$1,155 a year.

What are the key tax differences between Pennsylvania and Illinois?

Pennsylvania: Flat Tax, top rate 3.07%. Illinois: Flat Tax, top rate 4.95%. Federal income tax and FICA are the same in both states.