DeKalb County taxpayers paid the 48th largest sum in sales taxes in October 2025, according to Illinois tax records.
In total, residents paid $478,688 in sales taxes during October 2025.
The county ranked 53rd in the Prairie State the month before, with $427,843 spent in sales taxes.
The largest share of sales taxes paid by DeKalb County residents in October 2025 came from the Countywide Sales Tax.
The Countywide Sales Tax, a crucial revenue stream, is primarily allocated for county governments’ use.
A 2025 WalletHub study found that Illinois has the highest overall taxes in the U.S., with rates more than 50% higher than the national average. The study estimates that a median household in Illinois pays an effective tax rate of 16.58%, or about $13,099 per year.
| Type of Tax | Total Amount Collected | % Change From Previous Month |
|---|---|---|
| Countywide Sales Tax | $340,706 | 4.2% |
| County Sales Tax | $137,982 | 36.6% |



