Illinois vs Georgia Taxes
Compare the total tax burden between Illinois (4.95% flat) and Georgia (1% – 5.39%). Enter your income to see which state saves you more.
Tax at Different Income Levels
| Income | Illinois Total Tax | Georgia Total Tax | Annual Savings |
|---|---|---|---|
| $75,000 | $16,619 | $16,733 | +$113 |
| $100,000 | $25,269 | $25,493 | +$223 |
| $150,000 | $43,187 | $43,631 | +$443 |
| $200,000 | $60,006 | $60,669 | +$663 |
Based on single filer, standard deduction, 2025 tax year. Includes federal income tax, state income tax, and FICA.
Why the difference
You'd pay $223/year ($19/month) more in Georgia vs Illinois.
Tax structure
Illinois has a flat 5.0% state income tax, while Georgia uses progressive brackets up to 5.4%.
Effective rate at your income
At $100,000, Illinois's effective state rate is 4.2% vs 4.4% in Georgia — a 0.2 percentage point gap.
Tip: The flat 4.95% rate means your effective state tax rate is close to 4.95% regardless of income — no progressive bracket benefit. Property taxes in Cook County (Chicago) can exceed $6,000-$10,000 on a median-value home.
Tip: Georgia's transition to a flat rate simplifies tax planning. The state's generous standard deduction ($12,000 single) reduces the effective rate, especially for lower-income earners. Combined with below-average cost of living, Georgia offers a balanced tax environment.
Understanding Each State
Illinois
Illinois has a flat income tax rate of 4.95% on all taxable income. While the rate is moderate compared to states like California or New York, Illinois's high property taxes (average ~2.08%, second-highest nationally) significantly increase the total tax burden, particularly for homeowners.
Tip: The flat 4.95% rate means your effective state tax rate is close to 4.95% regardless of income — no progressive bracket benefit. Property taxes in Cook County (Chicago) can exceed $6,000-$10,000 on a median-value home.
Georgia
Georgia switched to a flat income tax rate of 5.39% in 2025 (previously progressive brackets up to 5.75%). Georgia's overall cost of living is below the national average, and the state offers a standard deduction of $12,000 for single filers and $18,000 for married filing jointly.
Tip: Georgia's transition to a flat rate simplifies tax planning. The state's generous standard deduction ($12,000 single) reduces the effective rate, especially for lower-income earners. Combined with below-average cost of living, Georgia offers a balanced tax environment.
Key Comparison Points
Income tax structure: Illinois has a flat income tax (4.95% flat), while Georgia has a progressive income tax (1% – 5.39%).
Beyond income tax: State tax comparisons should also consider property tax rates, sales tax, and cost of living. A state with no income tax may have higher property or sales taxes that offset the savings.
SALT deduction cap: Under OBBBA (2025+), the federal SALT cap is $40,000, phasing out above $500,000 MAGI toward a $10,000 floor. This limits the federal tax benefit of living in a high-tax state, so the gross state tax difference remains close to the net difference for most earners — especially high earners inside the phaseout.
Frequently asked questions
Is it cheaper to live in Illinois or Georgia?
Based on income tax alone, Illinois has a lower tax burden. At $100K income, you'd save $223 annually in Illinois compared to Georgia. However, total cost of living also depends on property taxes, sales taxes, and housing costs.
How much would I save moving from Georgia to Illinois?
A single filer earning $100,000 would save approximately $223 per year in total taxes by living in Illinois instead of Georgia. At $150,000 income, the savings change to $443 per year.
What is the income tax rate in Illinois?
Illinois has a flat income tax with rates of 4.95% flat.
What is the income tax rate in Georgia?
Georgia has a progressive income tax with rates of 1% – 5.39%.