🏠 Illinois Mortgage Calculator

Use this Illinois mortgage calculator to estimate your monthly home loan payment, including principal, interest, property tax, homeowner’s insurance, PMI, and HOA fees. Illinois has the second-highest property tax rate in the nation—averaging about 2.10% of assessed value—so factoring in taxes is critical when setting your home-buying budget.

With a statewide median home price near $275,000, Illinois remains relatively affordable compared to coastal markets. Adjust the inputs below to see how different price points, down payments, and rates affect your total monthly obligation. Chicago and its collar counties dominate the state’s real-estate activity. Transfer taxes in Chicago add roughly 1.20% to the sale price. First-time buyers may qualify for IHDA programs offering forgivable grants and deferred loans to help cover down payment and closing costs.

Illinois Housing Market Overview

Illinois offers a wide range of housing options, from downtown Chicago high-rises to sprawling suburban neighborhoods and rural farmland communities. The statewide median home price is approximately $275,000. Within the city of Chicago, the median sits near $330,000, while the collar counties (DuPage, Lake, Will, Kane, and McHenry) range from $290,000 to $400,000. Downstate markets such as Springfield, Peoria, and Champaign are considerably more affordable, with medians between $150,000 and $210,000.

The Chicago metro area dominates the state’s real-estate activity, accounting for roughly 75% of all home sales. Neighborhoods on the city’s North Side and in western suburbs like Naperville and Hinsdale tend to command the highest prices, while south suburbs and some city neighborhoods offer more budget-friendly entry points.

Property Taxes in Illinois

Illinois has an effective property tax rate of about 2.10%, the second highest in the country behind New Jersey. On a $275,000 home, you can expect an annual tax bill of roughly $5,775, or about $481 per month escrowed with your mortgage payment.

Rates vary significantly by county and school district. In parts of Lake County and some south suburban Cook County townships, effective rates can exceed 3%. Cook County uses a unique assessment system that separates residential and commercial properties, and its assessment cycles can create sudden jumps in tax bills when reassessments occur.

Illinois homeowners may qualify for the General Homestead Exemption, which reduces the equalized assessed value by up to $10,000 in Cook County and $6,000 elsewhere. There are also exemptions for seniors, disabled persons, and veterans.

Illinois-Specific Mortgage Costs

Illinois charges a state real-estate transfer tax of $0.50 per $500 of the sale price (effectively 0.10%). Cook County adds its own transfer tax of $0.25 per $500, and the City of Chicago charges an additional $5.25 per $500 (roughly 1.05%). On a $275,000 home in Chicago, combined transfer taxes total approximately $4,125—most of which falls on the seller by local custom, though this is negotiable.

Closing costs for buyers in Illinois typically run 2%–4% of the purchase price, covering lender fees, title insurance, attorney fees, recording charges, and escrow prepayments. Illinois is an “attorney state,” meaning a real-estate attorney is customarily involved in residential closings, adding $500–$1,500 to closing expenses.

Homeowner’s insurance in Illinois averages $1,500–$2,200 per year, influenced by factors like proximity to flood plains, severe-storm risk, and the age of the home.

First-Time Homebuyer Programs in Illinois

The Illinois Housing Development Authority (IHDA) offers programs designed to make homeownership accessible for first-time and repeat buyers with moderate incomes:

  • IHDAccess Forgivable: Up to $6,000 toward down payment and closing costs, forgiven after the loan’s compliance period ends if you remain in the home.
  • IHDAccess Deferred: Up to $7,500 as a zero-interest, deferred second mortgage with no monthly payments, repaid when the home is sold, refinanced, or the first mortgage matures.
  • IHDAccess Repayable: Up to $10,000 as a 10-year, low-interest second mortgage for buyers who need greater assistance.
  • Mortgage Credit Certificate (MCC): A federal tax credit of up to 25% of annual mortgage interest paid, capped at $2,000 per year, which lowers your federal tax liability.

Tips for Illinois Homebuyers

  • Run the property-tax numbers carefully. With a 2.10% average rate, property taxes in Illinois can be $200–$400 per month higher than in states with lower rates. Use the Percentage Calculator to estimate the annual bill at various price points.
  • Check for upcoming reassessments. Cook County reassesses properties on a triennial cycle. If you buy shortly before a reassessment, your tax bill could jump significantly in the following year.
  • Hire a real-estate attorney. While not legally required everywhere in Illinois, having an attorney review your contract and handle closing is standard practice in the Chicago metro area and provides important legal protection.
  • Apply for the homestead exemption. File with your county assessor’s office to reduce your taxable value. In Cook County, this exemption saves up to $10,000 off the equalized assessed value.
  • Explore IHDA assistance. Even if you have savings for a down payment, IHDA’s forgivable grants can free up cash for moving expenses, repairs, or an emergency fund.

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Frequently Asked Questions

Why are Illinois property taxes so high?
Illinois relies heavily on property taxes to fund schools, municipalities, and local services because the state has limited other revenue options at the local level. Overlapping taxing districts—school, park, library, fire—each levy their own rate, which compounds into an effective rate of about 2.10% statewide.
How much is the transfer tax in Chicago?
A home sale in Chicago is subject to three transfer taxes: the state tax ($0.50 per $500), the Cook County tax ($0.25 per $500), and the City of Chicago tax ($5.25 per $500). On a $275,000 sale, combined taxes total about $4,125. By custom, the seller usually pays, though this is negotiable.
What is the IHDA IHDAccess program?
IHDA offers three tiers of down payment and closing cost assistance: a forgivable grant of up to $6,000, a deferred zero-interest loan of up to $7,500, and a repayable loan of up to $10,000 over 10 years. Eligibility depends on income, purchase price, credit score, and completion of homebuyer education.
Do I need an attorney to buy a house in Illinois?
Illinois law does not require attorney representation for all real-estate transactions, but it is customary and strongly recommended, especially in the Chicago metro area. An attorney reviews the contract, negotiates inspection items, and oversees the closing. Fees typically run $500–$1,500.
What homestead exemptions are available in Illinois?
The General Homestead Exemption reduces equalized assessed value by up to $10,000 in Cook County and $6,000 elsewhere. Additional exemptions are available for seniors (up to $8,000), disabled persons, veterans, and returning veterans. You must file with your county assessor to receive them.