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DeKalb County, IL Property Tax Calculator

DeKalb County homeowners pay a median $5,974 a year in property tax, 2.45% of a median $243,600 home: above Illinois's 2.01% and the national 0.94%.

At an effective rate of 2.45%, a $243,600 home pays about $5,973 a year in property tax, $498 a month.

Property tax a year
$5,973
A month (for escrow)
$498
Effective rate on the home
2.45%

Property tax in DeKalb County by home value, at 2.45%

Home valueA yearA month
$200,000$4,904$409
$300,000$7,356$613
$400,000$9,808$817
$500,000$12,260$1,022
$750,000$18,390$1,533
$1,000,000$24,520$2,043

DeKalb County against Illinois and the US

Effective rateMedian taxMedian home valueMedian household income
DeKalb County2.45%$5,974$243,600$70,724
Illinois2.01%$5,298$263,300$83,390
United States0.94%$3,119$332,700$80,734

How this calculator works

Median real estate taxes paid ÷ median home value in DeKalb County, from the Census Bureau's American Community Survey 2020–2024 5-year estimates. The calculator starts at the county's median home value and rate.

What it assumes

  • Cities, school districts and special districts within the county levy different rates, so bills vary within it.
  • Survey figures cover 2020 to 2024 and lag recent reassessments.

Questions people ask

What is the property tax rate in DeKalb County?

The effective rate is 2.45%: a median $5,974 a year on a median $243,600 home. That's the 2nd highest of the 28 Illinois counties we cover.

How much is property tax on a $400,000 house in DeKalb County?

About $9,808 a year, $817 a month, at the county's effective rate, before any exemption.

How does DeKalb County compare with the rest of Illinois?

Its rate is above the state's 2.01%. Across Illinois, covered counties range from 1.58% to 2.58%.

How do I lower my DeKalb County property tax?

Apply for every exemption you qualify for, such as a homestead exemption, and appeal your assessment if it is higher than comparable homes sold nearby; the county assessor explains the deadlines.

Other Illinois counties

Related calculators

  • Illinois Property Tax CalculatorIllinois homeowners pay a median $5,298 a year in property tax, 2.01% of a median $263,300 home: the 2nd highest effective rate of the 50 states and DC.
  • Illinois Mortgage CalculatorYour monthly mortgage payment in Illinois, with Illinois's effective property tax rate (2.01%) built in, at this week's average rate. The calculator starts at the state's median home value, $263,300.
  • Home Affordability CalculatorThe home price your income supports under the 28/36 guideline lenders use, counting your other debts, down payment, taxes and insurance, at this week's average rate.

Sources

Updated by the RateHerald team. The maths is tested against worked examples; report a problem.