Moving from Illinois to North Dakota: Cost & Tax Comparison
Compare state income tax savings, HUD rent differentials, and household purchasing power adjustments when relocating from Illinois to North Dakota.
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 North Dakota
Illinois has a flat 4.95% income tax and North Dakota has graduated income tax rates up to 2.5%. On a $100,000 salary a single filer pays $4,805 in state income tax in Illinois and $669 in state income tax in North Dakota. With federal income tax and FICA unchanged, total tax falls by $4,136 a year after the move. HUD's one-bedroom Fair Market Rent averages $1,053 a month across Illinois's metro areas and $858 across North Dakota's (-18.6%). Pay differs too: the BLS median wage across all occupations, weighted by employment in each state's metros, is $54,104 in Illinois and $50,953 in North Dakota. City and county income taxes, which some localities add, are not included in these state-level figures; the metro routes below include them.
Metropolitan Corridors Between Illinois & North Dakota
Moving from Illinois to North Dakota on a $100,000 salary: pay $4,136 less in total taxes per year; average one-bedroom rent is $858 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 $4,136 lower in North Dakota than in Illinois (4.1 percentage points of gross pay). The average HUD one-bedroom Fair Market Rent across North Dakota's metros is $858 a month, versus $1,053 in Illinois (-18.6%). Taxes and one-bedroom rent combined change by +$6,480 a year.
Illinois: Flat Tax, top rate 4.95%. North Dakota: Graduated Brackets, top rate 2.5%. Federal income tax and FICA are the same in both states.