Illinois Mortgage Calculator

Mortgage and refinance loan payment calculator. Popular areas include Chicago, Aurora, Joliet, and Naperville Illinois.

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Our Illinois mortgage calculator enables you to estimate your monthly mortgage payment, including the following:

  • Principal and interest
  • Taxes
  • Insurance
  • Private Mortgage Insurance (PMI)

Your monthly payment changes when updating the home price, down payment, interest rate, and loan term.

Housing affordability continues to fluctuate across Illinois. The housing trends vary in the Prairie State, with larger communities exhibiting higher home prices than smaller, more rural areas. Even within Chicago, Aurora, Joliet, the market varies among neighborhoods. Each area will have a slightly different trend such as Cook County, DuPage County and Lake County.

Amortization Calculator
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We've included the conforming loan amounts and the estimated property tax rates for each county. This is important because mortgage interest rates are significantly different for home loans above the amounts listed. Please check with your loan officer, bank, lender to verify the conforming loan amounts in your county.

County

Property tax rate

Conforming limit

Adams County

1.69%

$548,250

Alexander County

1.29%

$548,250

Bond County

1.75%

$548,250

Boone County

2.56%

$548,250

Brown County

1.60%

$548,250

Bureau County

2.12%

$548,250

Calhoun County

1.68%

$548,250

Carroll County

1.95%

$548,250

Cass County

1.97%

$548,250

Champaign County

2.21%

$548,250

Christian County

1.82%

$548,250

Clark County

1.93%

$548,250

Clay County

1.60%

$548,250

Clinton County

1.95%

$548,250

Coles County

2.14%

$548,250

Cook County

2.10%

$548,250

Crawford County

1.62%

$548,250

Cumberland County

1.74%

$548,250

DeKalb County

2.87%

$548,250

De Witt County

1.84%

$548,250

Douglas County

2.00%

$548,250

DuPage County

2.22%

$548,250

Edgar County

1.58%

$548,250

Edwards County

1.47%

$548,250

Effingham County

1.53%

$548,250

Fayette County

1.66%

$548,250

Ford County

2.25%

$548,250

Franklin County

1.57%

$548,250

Fulton County

2.13%

$548,250

Gallatin County

1.21%

$548,250

Greene County

1.65%

$548,250

Grundy County

2.10%

$548,250

Hamilton County

1.34%

$548,250

Hancock County

1.85%

$548,250

Hardin County

0.84%

$548,250

Henderson County

1.55%

$548,250

Henry County

2.05%

$548,250

Iroquois County

2.13%

$548,250

Jackson County

2.00%

$548,250

Jasper County

1.57%

$548,250

Jefferson County

1.61%

$548,250

Jersey County

1.81%

$548,250

Jo Daviess County

1.94%

$548,250

Johnson County

1.48%

$548,250

Kane County

2.66%

$548,250

Kankakee County

2.38%

$548,250

Kendall County

2.94%

$548,250

Knox County

2.00%

$548,250

Lake County

2.83%

$548,250

LaSalle County

2.21%

$548,250

Lawrence County

1.33%

$548,250

Lee County

2.13%

$548,250

Livingston County

2.41%

$548,250

Logan County

1.97%

$548,250

McDonough County

2.01%

$548,250

McHenry County

2.87%

$548,250

McLean County

2.29%

$548,250

Macon County

2.22%

$548,250

Macoupin County

1.64%

$548,250

Madison County

2.03%

$548,250

Marion County

1.87%

$548,250

Marshall County

2.30%

$548,250

Mason County

2.14%

$548,250

Massac County

1.57%

$548,250

Menard County

1.95%

$548,250

Mercer County

2.22%

$548,250

Monroe County

1.79%

$548,250

Montgomery County

1.80%

$548,250

Morgan County

1.95%

$548,250

Moultrie County

2.07%

$548,250

Ogle County

2.18%

$548,250

Peoria County

2.32%

$548,250

Perry County

1.74%

$548,250

Piatt County

1.90%

$548,250

Pike County

1.75%

$548,250

Pope County

1.31%

$548,250

Pulaski County

1.10%

$548,250

Putnam County

1.72%

$548,250

Randolph County

1.42%

$548,250

Rock Island County

2.23%

$548,250

St. Clair County

2.21%

$548,250

Saline County

1.66%

$548,250

Saline County

1.66%

$548,250

Sangamon County

2.02%

$548,250

Schuyler County

1.70%

$548,250

Scott County

1.52%

$548,250

Shelby County

1.82%

$548,250

Stark County

1.88%

$548,250

Stephenson County

2.73%

$548,250

Tazewell County

2.11%

$548,250

Union County

1.51%

$548,250

Vermilion County

1.80%

$548,250

Wabash County

1.79%

$548,250

Warren County

1.92%

$548,250

Washington County

2.09%

$548,250

Wayne County

1.26%

$548,250

White County

1.40%

$548,250

Whiteside County

2.28%

$548,250

Will County

2.64%

$548,250

Williamson County

1.51%

$548,250

Winnebago County

2.99%

$548,250

Woodford County

2.21%

$548,250

County

Tax Rate

Limit

Adams County

1.69%

$548,250

Alexander County

1.29%

$548,250

Bond County

1.75%

$548,250

Boone County

2.56%

$548,250

Brown County

1.60%

$548,250

Bureau County

2.12%

$548,250

Calhoun County

1.68%

$548,250

Carroll County

1.95%

$548,250

Cass County

1.97%

$548,250

Champaign County

2.21%

$548,250

Christian County

1.82%

$548,250

Clark County

1.93%

$548,250

Clay County

1.60%

$548,250

Clinton County

1.95%

$548,250

Coles County

2.14%

$548,250

Cook County

2.10%

$548,250

Crawford County

1.62%

$548,250

Cumberland County

1.74%

$548,250

DeKalb County

2.87%

$548,250

De Witt County

1.84%

$548,250

Douglas County

2.00%

$548,250

DuPage County

2.22%

$548,250

Edgar County

1.58%

$548,250

Edwards County

1.47%

$548,250

Effingham County

1.53%

$548,250

Fayette County

1.66%

$548,250

Ford County

2.25%

$548,250

Franklin County

1.57%

$548,250

Fulton County

2.13%

$548,250

Gallatin County

1.21%

$548,250

Greene County

1.65%

$548,250

Grundy County

2.10%

$548,250

Hamilton County

1.34%

$548,250

Hancock County

1.85%

$548,250

Hardin County

0.84%

$548,250

Henderson County

1.55%

$548,250

Henry County

2.05%

$548,250

Iroquois County

2.13%

$548,250

Jackson County

2.00%

$548,250

Jasper County

1.57%

$548,250

Jefferson County

1.61%

$548,250

Jersey County

1.81%

$548,250

Jo Daviess County

1.94%

$548,250

Johnson County

1.48%

$548,250

Kane County

2.66%

$548,250

Kankakee County

2.38%

$548,250

Kendall County

2.94%

$548,250

Knox County

2.00%

$548,250

Lake County

2.83%

$548,250

LaSalle County

2.21%

$548,250

Lawrence County

1.33%

$548,250

Lee County

2.13%

$548,250

Livingston County

2.41%

$548,250

Logan County

1.97%

$548,250

McDonough County

2.01%

$548,250

McHenry County

2.87%

$548,250

McLean County

2.29%

$548,250

Macon County

2.22%

$548,250

Macoupin County

1.64%

$548,250

Madison County

2.03%

$548,250

Marion County

1.87%

$548,250

Marshall County

2.30%

$548,250

Mason County

2.14%

$548,250

Massac County

1.57%

$548,250

Menard County

1.95%

$548,250

Mercer County

2.22%

$548,250

Monroe County

1.79%

$548,250

Montgomery County

1.80%

$548,250

Morgan County

1.95%

$548,250

Moultrie County

2.07%

$548,250

Ogle County

2.18%

$548,250

Peoria County

2.32%

$548,250

Perry County

1.74%

$548,250

Piatt County

1.90%

$548,250

Pike County

1.75%

$548,250

Pope County

1.31%

$548,250

Pulaski County

1.10%

$548,250

Putnam County

1.72%

$548,250

Randolph County

1.42%

$548,250

Rock Island County

2.23%

$548,250

St. Clair County

2.21%

$548,250

Saline County

1.66%

$548,250

Saline County

1.66%

$548,250

Sangamon County

2.02%

$548,250

Schuyler County

1.70%

$548,250

Scott County

1.52%

$548,250

Shelby County

1.82%

$548,250

Stark County

1.88%

$548,250

Stephenson County

2.73%

$548,250

Tazewell County

2.11%

$548,250

Union County

1.51%

$548,250

Vermilion County

1.80%

$548,250

Wabash County

1.79%

$548,250

Warren County

1.92%

$548,250

Washington County

2.09%

$548,250

Wayne County

1.26%

$548,250

White County

1.40%

$548,250

Whiteside County

2.28%

$548,250

Will County

2.64%

$548,250

Williamson County

1.51%

$548,250

Winnebago County

2.99%

$548,250

Woodford County

2.21%

$548,250

Start the mortgage process today in Illinois

Start the process for either a purchase or refinance mortgage today and have a licensed loan officer in Illinois contact you for a custom quote.

In Illinois how do banks and lenders calculate what mortgage payment I can afford?

In Illinois the general rule of thumb for determining the mortgage amount a borrower can manage is 2 – 2.5 times your monthly GROSS income. For example, someone earning $100k annual can afford a $200k – $250k mortgage. However, this is only a general guideline and there is more to the process. In addition to your gross income, lenders take into consideration two ratios: the “front-end ratio” and the “back-end ratio.”  The front-end ratio is your mortgage-to-income ratio, representing the (monthly) amount of your income which you can dedicate to paying your mortgage. The ideal ratio is under 30%–although some lenders will allow you to exceed 40%. The back-end ratio is your debt-to-income (DTI) ratio, or the amount of gross income you must cover your debts (loans for cars, education, and credit cards, for example).  Most lenders want to see that number no more than 36% (36% of your income goes to paying debts).  Although there are other factors in determining your overall financial “health,” these best represent your ability to pay the mortgage.

In Illinois what are other costs that can increase my mortgage payment?

In Illinois the mortgage payment includes multiple factors, each which can increase (or decrease) the actual mortgage payment. Other than then actual cost of the home, you need to include the following variables:

  • Down Payment (the amount of money you pay up front, not borrowed from the lender)
  • Interest Expenses (the interest rate, the length of the loan and type—whether a fixed or adjustable interest rate)
  • Property Taxes (these vary with the community you are moving into)
  • Insurance (homeowner’s insurance rates will depend on your coverage and can fluctuate)
  • PMI (some lenders require insurance to protect them should you default on the loan)
  • HOA Fees (Some residential communities (especially condominiums and other PUDs) have maintenance fees for shared facilities and amenities offered in the development

In Illinois how do I calculate my mortgage payment?

When considering a new home purchase or whether to refinance your current mortgage, the best place to start is by estimating your monthly payment. You can utilize our free Illinois calculator to get a quick estimate. However, you will need a few numbers available:

Mortgage principal (how much you want to borrow—not necessarily the cost of the property).

Monthly interest rate (the fee you pay the bank to borrow money: check out current mortgage rates). This is usually reflected as an APR (annual percentage rate) and is translated to a monthly rate by dividing the rate by 12 (months).

Number of payments (how long do you want to pay on the mortgage). This is easy with a fixed mortgage, but not with an ARM, where the rate will change on a regular basis.

Property taxes (usually the cost of taxes is added to the mortgage payment & added to an escrow account, where the taxes are paid on your behalf at the end of the year).

Homeowner’s Insurance (since type and coverage vary widely, it is best to contact an agent to get some estimates).

PMI, if required (most lenders require this additional insurance when you put down less than 20% of the purchase price of the property).

Lock your mortgage rate today in Illinois

With a wide variety of financing options, our team of experts can help you find and lock in the best current rate for purchasing your home or refinancing your existing mortgage. Contact us to get started with a Illinois mortgage loan today!

Whether you are a math nerd who aspires to do the math by hand or simply want to understand how Illinois mortgage payments are calculated, the formula looks like this:

M = P [ i(1 + i)^n ] / [ (1 + i)^n – 1]

Key:

  • M = monthly mortgage payment
  • P = principal amount
  • I = monthly interest rate (usually listed as an annual percentage rate)
  • N = number of payments over the life of the loan (360 payments for 30 years, etc)

In Illinois if you are obtaining a fixed mortgage, whether it be 30, 15, or even 5 years, you are probably curious to see how much you are paying in interest.  One thing to remember is that in the U.S., interest is paid in arrears. So, your monthly payment includes interest for the 30 days BEFORE your due date. Since fixed mortgages are fully amortized installment loans, the amortization schedule shows how the split between principal and interest changes over time. In the early years of the mortgage term, most of your payment will go towards interest. However, as you pay down the principal, less interest will accrue and more of your payment is applied to the principal.

In Illinois the longer you finance your home for, the lower your monthly payments will be. Conversely, a shorter (or adjustable rate) term usually equates to a lower interest rate. Its important to run the numbers on multiple scenarios to find out what works best for you.

If you already have a mortgage and are looking for an opportunity to lower your current monthly payments, consider the following:

  • Refinance at a lower rate
  • Refinance to a longer term
  • Eliminate mortgage insurance
  • Apply for mortgage forbearance or loan modification (in case of financial hardship)

In Illinois an Amortization Schedule calculator provides a schedule of how much is paid for each portion of the mortgage payment over time. A mortgage calculator allows you to plug in the mortgage amount, term (number of payments) and the APR (interest rate per year) and determine the total you will pay in principal and interest over the life of the loan.

Get started with a purchase or refinance mortgage loan today!

Get started with a purchase or refinance mortgage loan today!

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