Property Tax 101

The median property tax (also known as real estate tax) in Boone County is $3,453.00 per year, based on a median home value of $174,400.00 and a median effective property tax rate of 1.98% of property value.

Boone County collects very high property taxes, and is among the top 25% of counties in the United States ranked by property tax collections. Of the one-hundred--two counties in Illinois, Boone County is ranked 10th by median property taxes, and 20th by median tax as percentage of home value.

Boone County's higher property taxes are partially due to property values, as the median home value in Boone County is $174,400.00. For comparison, the state-wide median property value is $202,200.00

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10th out of 102 By median yearly property tax

20th out of 102 By percentage of median home value

10th out of 102 By percentage of median income

You can see how Boone County (highlighted in green) compares to the one-hundred--two other counties in Illinois with the bar chart above, sorted by median property tax in dollars. For a visual map of county property tax rates in Illinois, see our Illinois county property tax map.

Remember: Real estate prices also play a large part in which Illinois counties have the highest and lowest median property taxes. Higher-valued properties will generally have higher taxes, even if the median percentage of home value levied as property tax is different. For comparisons, you can also use Percentage Of Home Value.

Property tax assessments in Boone County are the responsibility of the Boone County Tax Assessor, whose office is located in Belvidere, Illinois.

If you need to pay your property tax bill, ask about a property tax assessment, look up the Boone County property tax due date, or find property tax records, visit the Boone County Tax Assessor's page. Applications for the Boone County homestead exemption, any property tax appeals, and applications for a current use tax reduction must also be submitted to the Boone County Assessor's Office.

For some properties, you can easily find the most recent tax assessment by looking up the property address with our property records search. You can also use our Boone County Property Tax Calculator to estimate your property tax based on median tax values (results open in new page).