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Interstate Relocation: South Dakota → Illinois

Moving from South Dakota to Illinois: Cost & Tax Comparison

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

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

Effective Tax Rate Change +4.8 pts IL vs SD, $100k single
Annual Tax Savings -$4,805 Federal + FICA + state, $100k
1BR Rent Change +2.2% Avg 1BR $1,053 vs $1,031/mo
Net Annual Difference -$5,073 Tax savings + 1BR rent savings

What changes when you move from South Dakota to Illinois

South Dakota has no state income tax on wages and Illinois has a flat 4.95% income tax. On a $100,000 salary a single filer pays $0 in state income tax in South Dakota and $4,805 in state income tax in Illinois. With federal income tax and FICA unchanged, total tax rises by $4,805 a year after the move. HUD's one-bedroom Fair Market Rent averages $1,031 a month across South Dakota's metro areas and $1,053 across Illinois's (+2.2%). Pay differs too: the BLS median wage across all occupations, weighted by employment in each state's metros, is $47,473 in South Dakota 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: South Dakota

South Dakota 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 South DakotaNational Relocation Hub

Metropolitan Corridors Between South Dakota & Illinois

Sioux Falls, SD-MN → Chicago-Naperville-Elgin, IL-IN On $100k: $4,805 more tax and $8,832 more 1BR rent a year
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Sioux Falls, SD-MN → Peoria, IL On $100k: $4,805 more tax and $996 less 1BR rent a year
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Rapid City, SD → Chicago-Naperville-Elgin, IL-IN On $100k: $4,805 more tax and $8,244 more 1BR rent a year
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Rapid City, SD → Peoria, IL On $100k: $4,805 more tax and $1,584 less 1BR rent a year
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Moving from South Dakota to Illinois: Cost & Tax Comparison Overview

Moving from South Dakota to Illinois on a $100,000 salary: pay $4,805 more in total taxes per year; average one-bedroom rent is $1,053 vs $1,031 a month (HUD.

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

For a single filer earning $100,000 with no local income tax, total federal, FICA and state taxes are $4,805 higher in Illinois than in South Dakota (4.8 percentage points of gross pay). The average HUD one-bedroom Fair Market Rent across Illinois's metros is $1,053 a month, versus $1,031 in South Dakota (+2.2%). Taxes and one-bedroom rent combined change by -$5,073 a year.

What are the key tax differences between South Dakota and Illinois?

South Dakota: No State Income Tax, top rate 0%. Illinois: Flat Tax, top rate 4.95%. Federal income tax and FICA are the same in both states.