Washington County Property Taxes
Washington County, Illinois
Effective Tax Rate
0.00%
0.6% below state avgMedian Annual Tax
$0
$231/mo escrow
Estimate Your Tax
Annual Tax
$0
Monthly
$0
Eff. Rate
1.85%
At a Glance
Median Home Value
$149,800
State avg ▲ $146,132
Tax w/ Mortgage/yr
$3,073
$256/mo escrow
Tax w/o Mortgage/yr
$2,472
$206/mo
State Tax Rate Rank
#52
of 102 counties (1 = lowest)
Similar tax rates
Data Story
About Property Taxes in Washington County, Illinois
Washington taxes slightly above U.S. average
Washington County's effective tax rate of 1.847% exceeds the national median of 1.831% by a small margin, positioning it just above average nationally. The median property tax of $2,766 falls nearly equal to the national median of $2,690.
Slightly above Illinois average
Washington County ranks in the upper-middle of Illinois counties for effective tax rate at 1.847%, modestly above the state average of 1.831%. Most Illinois counties either tax at lower rates or fall into similar ranges.
Taxes higher than most surrounding areas
Washington County's 1.847% rate exceeds Vermilion County (1.793%), Wabash County (1.471%), Wayne County (1.526%), and Union County (1.405%). Homeowners here pay a modest premium compared to neighbors in adjacent counties.
Median home costs $2,766 yearly
A median-valued home in Washington County ($149,800) generates an estimated annual property tax of $2,766. With mortgage-related assessments, owners may owe up to $3,073 per year.
Appeal your assessment if warranted
Many Washington County homeowners are overassessed and eligible to challenge their valuations free of charge. An appeal could save you hundreds of dollars annually on your property taxes.
How Washington County Compares
Median Annual Property Tax
Washington County
1.85%
Effective rate
Illinois Avg
1.90%
Effective rate
National Avg
0.91%
Effective rate
Frequently Asked Questions
What is the property tax rate in Washington County, Illinois?
How much are property taxes in Washington County?
How does Washington County compare to the Illinois average?
What is the median home value in Washington County, Illinois?
Is Washington County a low property tax area in Illinois?
How does Washington County rank for property taxes in Illinois?
Counties with Similar Tax Rates
Nearby Counties
Other Counties in Illinois
Data updated: March 2026
Data from U.S. Census Bureau, American Community Survey 2019-2023 5-Year Estimates. Effective tax rate is calculated as median property tax divided by median home value.