Moving from Illinois to Massachusetts: Cost & Tax Comparison
Compare state income tax savings, HUD rent differentials, and household purchasing power adjustments when relocating from Illinois to Massachusetts.
Data updated · Sources: HUD FY 2027 Fair Market Rents, EPI 2026 Family Budget, 2026 tax tables · Methodology
What changes when you move from Illinois to Massachusetts
Illinois has a flat 4.95% income tax and Massachusetts has graduated income tax rates up to 9%. On a $100,000 salary a single filer pays $4,805 in state income tax in Illinois and $4,780 in state income tax in Massachusetts. With federal income tax and FICA unchanged, total tax falls by $25 a year after the move. HUD's one-bedroom Fair Market Rent averages $1,053 a month across Illinois's metro areas and $1,695 across Massachusetts's (+61.0%). Pay differs too: the BLS median wage across all occupations, weighted by employment in each state's metros, is $54,104 in Illinois and $64,181 in Massachusetts. City and county income taxes, which some localities add, are not included in these state-level figures; the metro routes below include them.
Massachusetts Paycheck & Living Costs
Metropolitan Corridors Between Illinois & Massachusetts
Moving from Illinois to Massachusetts on a $100,000 salary: pay $25 less in total taxes per year; average one-bedroom rent is $1,695 vs $1,053 a month (HUD.
Quick answers
For a single filer earning $100,000 with no local income tax, total federal, FICA and state taxes are $25 lower in Massachusetts than in Illinois (0.0 percentage points of gross pay). The average HUD one-bedroom Fair Market Rent across Massachusetts's metros is $1,695 a month, versus $1,053 in Illinois (+61.0%). Taxes and one-bedroom rent combined change by -$7,681 a year.
Illinois: Flat Tax, top rate 4.95%. Massachusetts: Graduated Brackets, top rate 9%. Federal income tax and FICA are the same in both states.