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Interstate Relocation: Delaware → Illinois

Moving from Delaware to Illinois: Cost & Tax Comparison

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

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

Effective Tax Rate Change -0.5 pts IL vs DE, $100k single
Annual Tax Savings +$454 Federal + FICA + state, $100k
1BR Rent Change -18.6% Avg 1BR $1,053 vs $1,294/mo
Net Annual Difference +$3,345 Tax savings + 1BR rent savings

What changes when you move from Delaware to Illinois

Delaware has graduated income tax rates up to 6.6% and Illinois has a flat 4.95% income tax. On a $100,000 salary a single filer pays $5,259 in state income tax in Delaware and $4,805 in state income tax in Illinois. With federal income tax and FICA unchanged, total tax falls by $454 a year after the move. HUD's one-bedroom Fair Market Rent averages $1,294 a month across Delaware's metro areas and $1,053 across Illinois's (-18.6%). Pay differs too: the BLS median wage across all occupations, weighted by employment in each state's metros, is $46,690 in Delaware 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: Delaware

Delaware 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 DelawareNational Relocation Hub

Metropolitan Corridors Between Delaware & Illinois

Dover, DE → Chicago-Naperville-Elgin, IL-IN On $100k: $454 less tax and $5,832 more 1BR rent a year
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Dover, DE → Peoria, IL On $100k: $454 less tax and $3,996 less 1BR rent a year
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Moving from Delaware to Illinois: Cost & Tax Comparison Overview

Moving from Delaware to Illinois on a $100,000 salary: pay $454 less in total taxes per year; average one-bedroom rent is $1,053 vs $1,294 a month (HUD FMR).

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

For a single filer earning $100,000 with no local income tax, total federal, FICA and state taxes are $454 lower in Illinois than in Delaware (0.5 percentage points of gross pay). The average HUD one-bedroom Fair Market Rent across Illinois's metros is $1,053 a month, versus $1,294 in Delaware (-18.6%). Taxes and one-bedroom rent combined change by +$3,345 a year.

What are the key tax differences between Delaware and Illinois?

Delaware: Graduated Brackets, top rate 6.6%. Illinois: Flat Tax, top rate 4.95%. Federal income tax and FICA are the same in both states.