Median one-bedroom rent across the cities we track is $1,258 in Illinois versus $804 in North Dakota. Overall, North Dakota runs roughly 36% cheaper on rent than Illinois, its main day-to-day cost driver.
Median household income across tracked cities is $90,109 in Illinois and $66,029 in North Dakota — about 27% higher in Illinois. Illinois has a top state income tax rate of 4.95% and a 6.25% state sales tax; North Dakota has a top state income tax rate of 2.50% and a 5% state sales tax.
State Taxes
Housing (median across tracked cities)
Income (median across tracked cities)
Climate (median across tracked cities)
Illinois vs North Dakota — FAQ
- Is it cheaper to live in Illinois or North Dakota?
- North Dakota is cheaper on rent — its median one-bedroom of $804 runs about 36% below Illinois's $1,258, based on the cities we track in each state.
- How much more do you need to earn to live in Illinois than in North Dakota?
- To keep rent near the recommended 30% of gross income, based on median rent across tracked cities, you'd want to earn roughly $50,000 a year in Illinois versus $32,000 in North Dakota.
- Which has lower taxes, Illinois or North Dakota?
- Illinois has a top state income tax rate of 4.95% and a 6.25% state sales tax. North Dakota has a top state income tax rate of 2.50% and a 5% state sales tax.
Housing, income, and climate are medians across the 3/1 cities we track in Illinois/North Dakota — not population-weighted statewide figures. Taxes are exact state-level rates. Sources: US Census Bureau, ACS 5-Year; NOAA Climate Normals 1981–2010; Tax Foundation 2026.