Illinois
Washington County, Illinois has a median effective property tax rate of 2.42% — above the Illinois state average of 2.23%. For a home valued at $300,000, the estimated annual tax bill is $7,249 ($604/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 Washington County, Illinois
Annual Property Tax
$3,624
Monthly Property Tax
$302
* This is an estimate based on the median tax rate. Actual taxes may vary based on local assessments and exemptions.
Property tax rates in Washington County, Illinois
1.674%
25% of properties pay this rate or less
2.416%
50% of properties pay this rate or less
2.896%
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 1.223%, 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 2.416%. Actual taxes depend on assessed value and local exemptions.
| Home Value | Annual Tax | Monthly Equivalent |
|---|---|---|
| $150,000 | $3,624 | $302/mo |
| $250,000 | $6,041 | $503/mo |
| $350,000 | $8,457 | $705/mo |
| $500,000 | $12,081 | $1,007/mo |
| $750,000 | $18,122 | $1,510/mo |
| $1,000,000 | $24,162 | $2,014/mo |
The median property tax rate across Washington County, Illinois is 2.42%. Individual cities within the county may have slightly different rates. Use our calculator to estimate your property taxes.