Rochester, Sangamon County, Illinois Property Taxes

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Property Taxes in Rochester, Illinois

Median Rochester, Illinois effective property tax rate: 2.13%, significantly lower than the national median of 1.02%, and lower than the Illinois state median of 2.33%.
Median Rochester, Illinois home value: $229,080
Median annual Rochester, Illinois tax bill: $4,732, higher than the national median property tax bill of $2,400.

How are property taxes in Sangamon calculated?

Property taxes in Rochester, Illinois are calculated based on the tax assessed value, which is often lower than the actual market value due to property tax exemptions such as the homestead or senior exemption.

Understanding Rochester's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Rochester, knowing local tax details benefits homeowners and investors.

Last Updated April 13, 2026

Rochester, Sangamon County, Illinois Property Tax Bill Calculator

Property Assessed Value

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

2.13%

Estimate Property Tax Bill

$4,879

$4,528

How Does the Rochester Property Tax Calculator Work?

Use this Rochester property tax calculator to estimate your annual property tax bill. Enter your property’s assessed value and our calculator applies Rochester’s median effective tax rate of 2.13% — based on actual property records in Sangamon County — to generate your estimate.

Enter your property’s estimated assessed value — the figure the local assessment office uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home’s market value. Our calculator applies Rochester’s median effective rate across all local levies, providing a more accurate estimate than applying a single county millage rate.

Rochester’s median effective tax rate is higher than the Illinois median of 2.33%, and the median property tax bill is $4,732, which is $2,332 higher than the state median bill. Your bill may vary by ZIP code within Rochester, but the available ZIP code trend shows 62563 with the same median tax bill.

For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across Rochester.

About Rochester Property Taxes

About Property Taxes in Rochester, Sangamon, Illinois

Rochester’s median effective property tax rate of 2.13% is lower than the Illinois state median of 2.33% and higher than the national median of 1.02%. This rate reflects the Sangamon County base levy combined with local school district levies and special service areas that vary by subdivision throughout the city.

Property tax rates are not uniform across Rochester. Homeowners in the 62563 ZIP code carry a median effective rate of 2.13%, while those in the lowest ZIP also pay 2.13%. This spread reflects how school district boundaries and local assessment districts are drawn across Sangamon County. Understanding which part of Rochester you live in can make a meaningful difference to your annual tax bill.

Rochester homeowners who believe their assessed value is too high can file a formal appeal with the Tax Assessor before the June 1, 2026 deadline each year.

If your estimated bill above seems higher than expected, Ownwell can review your assessment and protest on your behalf. You only pay if we save you money.

Property Tax Rates Across Rochester, Sangamon County, Illinois

As noted earlier, local government entities set tax rates, which can vary widely within a state.

Why? Because annually, each county estimates its required budget to provide services and divides that by the total value of all taxable property within its jurisdiction. This calculation results in the property tax rate.

While there are votes and laws involved in setting tax rates and budgets, in a nutshell, this is the annual process.

Below, you can compare Rochester's effective property tax rate to other cities in Illinois and the median property tax rates in Illinois and the U.S.

Property Tax Rates Across Rochester, Sangamon County, Illinois

Source: Ownwell

1.75%

2.13%

2.51%

Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.

Median Effective Rochester Tax Rate

2.13%

Median Effective Sangamon County Tax Rate

2.28%

Median Effective Illinois Tax Rate

2.33%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Rochester, Sangamon County, Illinois

Zip	10th Percentile	25th Percentile	Median Tax Rate	75th Percentile	90th Percentile
62563	1.89%	2.02%	2.13%	2.23%	2.36%

Source: Ownwell

Property Tax Assessment Values Across Rochester, Sangamon County, Illinois

When examining property taxes in Rochester, Illinois, understanding the distinction between "market value" and "assessed value" is crucial.

The market value is what a willing buyer would pay to a willing seller in an open and competitive market, often influenced by location, property condition, and economic market trends. The Sangamon County appraisal district estimates the market value for tax purposes.

The assessed value is the market value minus any applicable exemptions or limits determined by local laws and offerings. The tax assessed value is the figure used to calculate your property taxes or the amount multiplied by your tax rate to get your tax bill.

Assessment notices:

In Sangamon County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of the month when notices are sent.

Each property owner receives an assessment notice that contains both the market value and assessed value, along with an estimate of your property tax bill. By providing insights into how assessed and market values are determined, this section helps property owners navigate their tax responsibilities and understand the valuation processes affecting their property taxes in Rochester.

For example, the median home price in Rochester is $229,080, with tax bills ranging significantly across the county. 62563 has the highest median home price at $229,080.

Property Tax Assessment Values Across Rochester, Sangamon County, Illinois

Source: Ownwell

$62,115

$177,204

$292,293

Median Rochester Market Value

$229,080

Median Sangamon County Market Value

$152,802

Median Illinois Market Value

$227,888

Median United States Market Value

$235,294

Property Tax Assessment Values Across Rochester, Sangamon County, Illinois

Zip	10th Percentile	25th Percentile	Median Home Price	75th Percentile	90th Percentile
62563	$133,547	$176,383	$229,080	$320,687	$421,970

Source: Ownwell

Property Tax Bills Across Rochester, Sangamon County, Illinois

Property tax bills in Rochester are calculated by applying local tax rates to a home’s assessed value, which is based on the market value of the property. The assessed value is then used to determine how much tax a homeowner owes to local taxing authorities, including schools, county services, and other public needs.

For Rochester homeowners, the median home price is $229,080, and the median property tax bill is $4,732. That is well above the national median property tax bill of $2,400, showing how local assessments and tax rates can create a heavier burden. Bills can vary widely from one home to another because they depend on the property’s assessed value, exemptions, and the tax rates set by local jurisdictions.

Higher property tax bills can increase monthly housing costs and make homeownership more expensive over time.

Property Tax Bills Across Rochester, Sangamon County, Illinois

Source: Ownwell

$1,187

$4,071

$6,955

Median Rochester Tax Bill

$4,732

Median Sangamon County Tax Bill

$3,372

Median Illinois Tax Bill

$5,277

Median United States Tax Bill

$2,400

Property Tax Bills Across Rochester, Sangamon County, Illinois

Zip	10th Percentile	25th Percentile	Median Tax Bill	75th Percentile	90th Percentile
62563	$2,551	$3,592	$4,732	$6,801	$9,240

Source: Ownwell

Don't miss the deadline to appeal!

Dates
Appeal Deadline	June 1

Links
Sangamon Tax Assessor
Website	tax.co.sangamon.il.us

Frequently Asked Property Tax Questions in Rochester, Illinois

How are property taxes calculated in Rochester, Illinois?

Property taxes in Rochester, Illinois are calculated by multiplying your property's assessed value by the applicable tax rate set by local taxing authorities. The assessed value is determined by the county assessor and may differ from your property's market value depending on local assessment ratios and exemptions.

How do I appeal my property taxes in Rochester, Illinois?

To appeal your property taxes in Rochester, Illinois, you typically need to file a formal protest or appeal with your local appraisal district or assessor's office by the stated deadline. You'll need evidence such as comparable sales, a recent independent appraisal, or documentation of property condition issues. Ownwell can handle this entire process for you.

What property tax exemptions are available in Rochester, Illinois?

Common property tax exemptions in Rochester, Illinois include homestead exemptions for primary residences, senior citizen exemptions, veteran exemptions, and disability exemptions. Exemption amounts and eligibility requirements vary by county. Contact your local appraisal district or check Ownwell for details specific to your property.

When are property taxes due in Rochester, Illinois?

Property tax deadlines in Rochester, Illinois vary by county but typically include an assessment notice period in spring or early summer, followed by an appeal deadline, and a tax payment due date in the fall or winter. Check with your county assessor's office for specific dates in your area.

How can Ownwell help reduce my property taxes in Rochester, Illinois?

Ownwell provides professional property tax appeal services in Rochester, Illinois. Our team analyzes your assessment, gathers evidence, files all paperwork, and represents you at hearings — all with no upfront cost. You only pay a percentage of your savings if we successfully lower your tax bill.