Washington County, Illinois home prices

Typical home $167,931 · +10.0% in a year · property tax 1.87%

Typical home value
$167,931
Payment (20% down)
$1,249
Income needed
$53,500

The typical home in Washington County is worth $167,931, 43% less than the Illinois typical home ($295,943). Values changed +10.0% in the past year and +32.1% over five years. Homeowners here pay a median 1.87% of their home's value in property tax each year ($3,136 on the typical home), versus 1.92% statewide.

Mortgage on the typical Washington County home

Down paymentCash downLoanPrincipal + interestPMI / MIPTax + insuranceTotal / monthIncome needed
20% down$33,586$134,345$904$0$345$1,249$53,500
10% down$16,793$151,138$1,017$63$345$1,425$61,100
5% down$8,397$159,535$1,073$66$345$1,485$63,600
3.5% down (FHA)$5,878$164,890$1,109$74$345$1,529$65,500

Assumes a 30-year fixed loan at 7.11%, property tax of 1.87% of the home value a year, homeowners insurance of 0.6% a year, PMI of 0.5% of the loan a year when the down payment is under 20%, and FHA mortgage insurance of 0.55% a year plus a 1.75% upfront premium added to the loan. Your rate, taxes and insurance will differ.

What it takes: see what you can afford by salary in Illinois.

Illinois counties with similar prices

CountyTypical home1-yr changeTax rate
Peoria County$166,288+5.8%2.24%
Brown County$166,141+1.6%1.52%
Shelby County$165,331+4.6%1.5%
Jasper County$170,549+11.1%1.95%
Cumberland County$171,136+9.2%1.59%
Henry County$171,732+8.0%1.99%
Dewitt County$163,837+9.6%1.78%
Bond County$163,686+9.9%1.89%
Livingston County$172,343+10.9%2.05%
Carroll County$161,686+9.7%1.99%

All 102 Illinois counties →

Frequently asked questions

What is the average home price in Washington County, IL?

The typical home value in Washington County is $167,931 (Zillow Home Value Index, September 2026).

How much do you need to earn to buy a house in Washington County?

About $53,500 a year for the typical home with 20% down at a 7.11% 30-year rate.

What is the property tax rate in Washington County?

The median effective rate is 1.87% of home value a year (Census ACS 2024 5-year estimates).