Illinois
Dekalb County, Illinois has a median effective property tax rate of 2.91% — above the Illinois state average of 2.23%. For a home valued at $300,000, the estimated annual tax bill is $8,723 ($727/month). Rates vary by city within the county; browse the list below or use the calculator to estimate your bill.
Calculate your estimated property tax in Dekalb County, Illinois
Annual Property Tax
$4,362
Monthly Property Tax
$363
* This is an estimate based on the median tax rate. Actual taxes may vary based on local assessments and exemptions.
Property tax rates in Dekalb County, Illinois
2.586%
25% of properties pay this rate or less
2.908%
50% of properties pay this rate or less
3.090%
25% of properties pay more than this rate
These percentiles show the range of property tax rates. 25% of properties pay less than the low rate, 50% pay less than the median, and 75% pay less than the high rate.
The difference between the 25th and 75th percentiles is 0.505%, indicating the variation in property tax rates within this area. Use the median (50th percentile) for the most typical estimate.
State averages sourced from Tax Foundation 2024 data. National median: 1.07%.
Based on the median rate of 2.908%. Actual taxes depend on assessed value and local exemptions.
| Home Value | Annual Tax | Monthly Equivalent |
|---|---|---|
| $150,000 | $4,362 | $363/mo |
| $250,000 | $7,269 | $606/mo |
| $350,000 | $10,177 | $848/mo |
| $500,000 | $14,539 | $1,212/mo |
| $750,000 | $21,808 | $1,817/mo |
| $1,000,000 | $29,078 | $2,423/mo |
The median property tax rate across Dekalb County, Illinois is 2.91%. Individual cities within the county may have slightly different rates. Use our calculator to estimate your property taxes.