Illinois has the second-highest average property tax rate in the United States at 2.07% — significantly above Texas at 1.60%. On a $400,000 home, Illinois homeowners pay approximately $1,880 more per year than their Texas counterparts. Unlike Texas, Illinois also levies a flat state income tax (4.95%), meaning Illinois households face a double burden: high property tax AND income tax. Texas homeowners pay more than many states but benefit from zero state income tax, making the overall Texas burden lower for most earners. Chicago and its suburbs are particularly expensive — effective rates in Cook County often exceed 2.5%.

By Daniel, Founder of CountryTaxCalc

Daniel has spent 5+ years researching tax systems across 95+ countries and all US states to make tax comparison accessible to everyone. For corrections, contact us.

Last Updated: April 2026

The Big Picture

🌾 Illinois

2.07%

Avg Effective Rate

2nd highest in the US; no assessment growth cap; Chicago suburbs especially high

🤠 Texas

1.60%

Avg Effective Rate

High but below Illinois; $100K homestead exemption; no state income tax

Typical Annual Savings

At $400,000 home income:

$1,880

Texas saves on property tax

Tax Savings by Income Level

IncomeIL TaxTX TaxSavings10-Year
$250,000 home $5,175$4,000$1,175$11,750
$350,000 home $7,245$5,600$1,645$16,450
$400,000 home $8,280$6,400$1,880$18,800
$500,000 home $10,350$8,000$2,350$23,500
$700,000 home $14,490$11,200$3,290$32,900
$1,000,000 home $20,700$16,000$4,700$47,000
💡

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Illinois Pros and Cons

✅ Pros

  • Does not tax most retirement income (pensions, 401k distributions)
  • Relatively low flat income tax rate (4.95%) vs progressive states
  • Homestead exemption: $10,000 off equalized assessed value
  • Freeze programs for seniors 65+ meeting income tests

❌ Cons

  • 2nd highest property tax rate in the US
  • No assessment growth cap like California's Prop 13
  • Chicago suburbs among most expensive in the nation
  • State income tax at 4.95% on top of property tax

Texas Pros and Cons

✅ Pros

  • No state income tax
  • Lower property tax than Illinois (~23% less)
  • Homestead exemption: $100,000 off taxable value for school tax
  • Over-65 school tax freeze

❌ Cons

  • Property tax still high compared to most states
  • High homeowners insurance in some areas
  • MUD/special district taxes can add 0.3–0.8% more
  • No cap on general assessment increases

Frequently Asked Questions

Q: Why does Illinois have such high property taxes?

Illinois's high property taxes stem from several structural factors: a heavily fragmented local government system (over 7,000 taxing districts — the most in the US), heavy reliance on property tax to fund schools, no overall assessment growth cap (unlike California's Prop 13), and decades of underfunded public pensions that drive up local levy requirements. Illinois ranks #2 nationally for effective property tax rate — only New Jersey is higher. Chicago's Cook County averages 2.5–3% effective rate in many suburbs. The state has been unable to shift revenue from property tax to income tax due to constitutional constraints.

Q: Does Illinois tax pensions, making Texas more attractive for retirees?

Illinois actually does NOT tax retirement income — all pension income, 401(k)/IRA distributions, Social Security, and military retirement pay are exempt from Illinois income tax. This is one of Illinois's genuine tax advantages for retirees. However, the high property tax still affects retired homeowners significantly: a retiree with a $400,000 Illinois home pays approximately $8,280/year in property tax versus $6,400 in Texas — a real annual cost even for those with zero income tax liability in Illinois.

Q: Where in Texas has property tax rates similar to Illinois?

Some Texas jurisdictions have effective rates approaching or exceeding Illinois's average: Harris County (Houston) suburbs with MUD districts can reach 2.0–2.5% total effective rates; Fort Bend County (southwest Houston) averages approximately 2.1%; some Dallas suburban MUD districts reach 2.2–2.5%. These areas are the exception — but Texans in high-rate jurisdictions can pay Illinois-level property taxes without the IL income tax benefit. Using our calculator with your specific zip code gives a more accurate picture.

Q: What is the total tax burden comparison between Illinois and Texas?

For a household earning $100,000 with a $400,000 home: Illinois: property tax ~$8,280 + income tax ~$4,950 (flat 4.95%) = approximately $13,230 in combined property + state income tax. Texas: property tax ~$6,400 + income tax $0 = $6,400. Texas saves approximately $6,800/year in this scenario — with the savings growing the higher the income. For households earning $200,000: Illinois income tax adds ~$9,900; Texas adds $0. The total Illinois vs Texas tax differential is substantial at most income and home value combinations.

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