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McDonough County, Illinois Property Taxes (2026)

McDonough County homeowners pay a median property tax of $2,238/year on a median home value of $103,500 — an effective rate of 2.16%, which is above the national median of 1.02%. McDonough County has a population of approximately 27,102.

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Effective Tax Rate

2.16%

Higher than the Illinois median of 2.00%

Median Home Value

$103,500

Annual Tax Bill

$2,238

~$187/month

Est. Annual Savings

$336

If reduced by 15%

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McDonough County, Illinois Property Tax Calculator

Enter your address to instantly see if you're overpaying on property taxes. Our tool compares your assessed value against recent comparable sales in McDonough County to estimate your potential savings.

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  • Uses real McDonough County comparable sales data
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Average Annual Savings

$336

Estimated savings for McDonough County homeowners

Property Tax Rates: McDonough County vs. Illinois vs. National

McDonough County2.16%
Illinois Median2.00%
National Median1.02%

Key stat: The effective property tax rate in McDonough County, Illinois is 2.16%, compared to the Illinois median of 2.00% and the national median of 1.02%. (Source: U.S. Census Bureau, ACS 5-Year Estimates)

How McDonough County Compares Across Illinois

See where McDonough County's tax metrics fall relative to all 102 Illinois counties.

Tax Rate Distribution

Percentile distribution across all Illinois counties

10th

1.00%

25th

2.00%

Median

2.00%

75th

2.00%

90th

2.00%

Home Value Distribution

Percentile distribution across all Illinois counties

10th

$95,520

25th

$105,425

Median

$126,000

75th

$167,875

90th

$204,450

Tax Bill Distribution

Percentile distribution across all Illinois counties

10th

$1,471

25th

$1,761

Median

$2,363

75th

$3,209

90th

$4,507

McDonough County County Assessor Information

McDonough County County Assessor

Assessing Authority

McDonough County Assessor

Appeal Deadline

30 days after publication

Illinois appeal filing deadline

State

Illinois

How to appeal

Let TaxDrop handle it for you →

How to Appeal Your Property Taxes in McDonough County

If you own property in McDonough County, you have the legal right to appeal your assessed value. Here is the step-by-step process:

1

Review your assessment notice

Check the assessed value from the McDonough County Assessor. Compare it to recent sales of similar homes in your area.

2

File your appeal before the deadline

The Illinois deadline is 30 days after publication. Missing this deadline means waiting until the next assessment year.

3

Gather supporting evidence

Compile recent comparable sales, photos of property condition issues, independent appraisals, or any factors that reduce your home's value.

4

Present your case

Attend a hearing or submit your evidence to the County Assessor. Present clear data showing your assessed value is too high.

5

Receive your decision

If successful, your assessed value and tax bill will be reduced. With a median bill of $2,238, even a 10-15% reduction means $224-$336 in annual savings.

Skip the hassle — let TaxDrop handle it

TaxDrop's licensed consultants analyze your property, build your case with comparable sales data, and represent you through the entire appeal process. You pay nothing unless we save you $500 or more.

Start Your McDonough County Appeal →Free Tax Rate Calculator

Property Tax Exemptions in Illinois

Illinois homeowners may qualify for exemptions that reduce their taxable value. Common exemptions include:

Homestead Exemption

Available to primary residence owners. Reduces the assessed value used to calculate your tax bill.

Senior/Over-65 Exemption

Additional exemption for homeowners age 65+. May include a tax ceiling that freezes your bill.

Disability Exemption

For homeowners with qualifying disabilities. Similar benefits to the over-65 exemption.

Veteran Exemption

Disabled veterans may receive partial or full exemptions depending on disability rating.

Frequently Asked Questions

What is the property tax rate in McDonough County, Illinois?
The median effective property tax rate in McDonough County, Illinois is 2.16%. On a home valued at $103,500, the median annual property tax bill is $2,238. Source: U.S. Census Bureau, ACS 2026.
How much are property taxes in McDonough County?
The median annual property tax bill in McDonough County is $2,238, which works out to approximately $187/month. This is based on the median home value of $103,500 and an effective tax rate of 2.16%.
How do I appeal my property taxes in McDonough County?
To appeal your property taxes in McDonough County, Illinois, you need to file with the McDonough County Assessor before the deadline of 30 days after publication. You'll need evidence that your assessed value exceeds your property's market value, such as recent comparable sales. TaxDrop can handle this entire process for you — you pay nothing unless we save you $500 or more.
Is McDonough County a high property tax area?
McDonough County's effective tax rate of 2.16% is above the national median of 1.02%. It's also above the Illinois median of 2.00%, making it one of the higher-taxed counties in the state.
What is the deadline to appeal property taxes in Illinois?
The deadline to appeal property taxes in Illinois is 30 days after publication. It's important to file before this deadline — missing it means waiting until the next assessment cycle. TaxDrop monitors deadlines and files on your behalf to ensure you never miss the window.
Can TaxDrop help lower my McDonough County property taxes?
Yes. TaxDrop helps homeowners in McDonough County, Illinois appeal their property tax assessments. We analyze your property, compare it against local comparable sales, and handle the entire appeal process. Our fee is 25% of your savings — and if we don't save you at least $500, you pay nothing.

Nearby Counties

Marion County

Rate: 1.71%

Tax bill: $1,709

Marshall County

Rate: 1.99%

Tax bill: $2,743

Mason County

Rate: 2.15%

Tax bill: $2,277

Massac County

Rate: 1.50%

Tax bill: $1,769

McHenry County

Rate: 2.49%

Tax bill: $7,153

McLean County

Rate: 2.27%

Tax bill: $4,503

Menard County

Rate: 1.64%

Tax bill: $2,936

Mercer County

Rate: 1.95%

Tax bill: $2,710

← View all 102 Illinois counties

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