Boulder, Clinton County, Illinois Property Taxes

Name: Property Tax Bills Across Boulder, Clinton County, Illinois
Creator: Ownwell
License: https://creativecommons.org/licenses/by-nc/4.0/

Median Boulder, Illinois effective property tax rate: 2.08%, significantly higher than the national median of 1.02%, but lower than the Illinois state median of 2.35%.
Median Boulder, Illinois home value: $37,368
Median annual Boulder, Illinois tax bill: $791, $1,609 lower than the national median property tax bill of $2,400.

How are property taxes in Clinton calculated?

Property taxes in Boulder, 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 Boulder’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Boulder, knowing local tax details benefits homeowners and investors.

Last Updated March 1, 2025

Boulder, Clinton County, Illinois Property Tax Bill Calculator

Property Assessed Value

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

2.08%

Estimate Property Tax Bill

$777

$721

Ownwell’s Boulder Property Tax Bill Calculator empowers homeowners, real estate investors, and potential buyers to estimate their annual property taxes in Boulder with just two data points. By entering your property's estimated assessed value, our calculator applies Boulder’s median effective tax rate to accurately estimate your property tax bill. Note that your property's assessed value — determined by your county — reflects any exemptions you may have, ensuring a precise calculation for your property tax obligations. This insightful tool helps you understand potential tax liabilities and highlights how Ownwell can assist in reducing property taxes in Clinton County. For those interested in more localized information, please scroll down to explore city-level trends!

Property Tax Rates Across Boulder, Clinton 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 Boulder’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 Boulder, Clinton County, Illinois

Source: Ownwell

1.76%

2.05%

2.33%

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 Boulder Tax Rate

2.08%

Median Effective Clinton County Tax Rate

2.02%

Median Effective Illinois Tax Rate

2.35%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Boulder, Clinton County, Illinois

Zip	10th Percentile	25th Percentile	Median Tax Rate	75th Percentile	90th Percentile
62231	2.08%	2.08%	2.08%	2.08%	2.94%

Source: Ownwell

Property Tax Assessment Values Across Boulder, Clinton County, Illinois

When examining property taxes in Boulder, 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 Clinton 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.

In Clinton County, assessment notices are sent in the spring each year. They’ll typically reach your mailbox by the middle of April. 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 Boulder. For example, the median home price in Boulder is $37,368, with tax bills ranging significantly across the county. Zip code 62231 has the highest median home price at $37,368.

Property Tax Assessment Values Across Boulder, Clinton County, Illinois

Source: Ownwell

$37,368

$118,989

$200,610

Median Boulder Market Value

$37,368

Median Clinton County Market Value

$140,970

Median Illinois Market Value

$194,700

Median United States Market Value

$235,294

Property Tax Assessment Values Across Boulder, Clinton County, Illinois

Zip	10th Percentile	25th Percentile	Median Home Price	75th Percentile	90th Percentile
62231	$5,820	$13,785	$37,368	$81,375	$91,161

Source: Ownwell

Property Tax Bills Across Boulder, Clinton County, Illinois

In Boulder, located in Clinton County, IL, property tax bills are determined based on the assessed value of a home, which is a fraction of its market value. Local tax rates are then applied to this assessed value to calculate the final tax bill. In Boulder, the median property tax bill is significantly lower than the national median of $2,400, with the 75th percentile at $1,692 and the 90th percentile reaching $2,653. This suggests that while some homeowners may face higher bills, many pay less than the national average. Factors such as local government budgets and school funding needs influence the tax rate, directly impacting homeowners. For homeowners looking to reduce their property tax burden, Ownwell offers expert services to appeal assessments and secure exemptions, potentially leading to significant savings. By leveraging local knowledge and legal expertise, Ownwell can help ensure that homeowners in Boulder are not overpaying on their property taxes, providing peace of mind and financial relief.

Property Tax Bills Across Boulder, Clinton County, Illinois

Source: Ownwell

$791

$2,424

$4,056

Median Boulder Tax Bill

$791

Median Clinton County Tax Bill

$2,760

Median Illinois Tax Bill

$4,715

Median United States Tax Bill

$2,400

Property Tax Bills Across Boulder, Clinton County, Illinois

Zip	10th Percentile	25th Percentile	Median Tax Bill	75th Percentile	90th Percentile
62231	$121	$287	$791	$1,692	$2,653

Source: Ownwell