Washington County, Illinois Housing Market Prices
Washington County Home Prices and Rent at a Glance
The median home price (often called the average home price), rent costs, affordability metrics, and housing stock characteristics for this housing market.
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Median home price 74% below the Illinois median Cheaper than 89% of counties in Illinois$39,129
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Median rent 36% below the Illinois median$817
Median Home Price Map: Nearby Counties
Housing Market Overview
| Metric | Washington County | Illinois Avg | US Average |
|---|---|---|---|
| Median Home Price | $39,129 | $149,936 | $248,835 |
| Price Trend (Annual %) | 0.1% | 2.5% | 7.5% |
| Median Gross Rent | $817 | $1,274 | $1,407 |
| Rent Trend (Annual %) | 3.2% | 4.1% | 5.1% |
| Household Income Trend (Annual %) | — | — | — |
The median home price in Washington County is about 74% lower than in Illinois. Rent is about 36% lower than the Illinois average.
Median Home and Rent Price Trends
Median Home Prices, 2015-2024
Median Rent Prices, 2015-2024
Both home prices and rent are rising in Washington County, up about 0.1% and 3.2% a year respectively. Rent is changing faster.
Median rent in Washington County rose about 32.9% between 2015 and 2024, from $615 to $817. Over the same span, rent in Illinois rose about 40.4%.
Affordability
On average, housing unit costs 0.5 yearly household incomes in Washington County.
Buying the median-priced home in Washington County costs roughly 4.0 years of rent at the median monthly rate. That is a relatively low price-to-rent ratio, which tends to favor buying over renting in Washington County. The price-to-rent ratio in Illinois is about 9.8.
| Metric | Washington County | Illinois Avg | US Average |
|---|---|---|---|
| Median Home Price | $39,129 | $149,936 | $248,835 |
| Median Household Income | $76,775 | $84,042 | $80,455 |
| Price-to-Income Ratio | 0.5 | 1.8 | 3.1 |
Home Prices vs Income Over Time
Between 2015 and 2024, the median home price in Washington County fell about 9.4%, while median household income rose about 39.1% between 2009 and 2025 — income grew faster than the home price.
Income Growth vs Housing Cost Growth (Year-over-Year %)
Compare income and housing cost trends.
Occupancy & Tenure
| Metric | Washington County | Illinois Avg | US Average |
|---|---|---|---|
| Homeownership Rate | 76.0% | 61.9% | 58.5% |
| Rental Rate | 14.4% | 30.4% | 31.2% |
| Vacancy Rate | 9.7% | 7.7% | 10.2% |
| Median Tenure (years) | 20.0 | 16.0 | 15.0 |
| Median Year Moved In | 2006 | 2010 | 2011 |
Washington County has a homeownership rate of 76.0%, higher than the Illinois average of 61.9%. Its housing vacancy rate is 9.7%, compared with 7.7% in Illinois.
Housing Stock
| Metric | Washington County | Illinois Avg | US Average |
|---|---|---|---|
| Average Household Size | 2.31 people | 2.46 people | 2.53 people |
| Median Structure Built Year | 1974 | 1969 | 1978 |
| Median Number of Rooms | 6.0 | 5.6 | 5.5 |
The typical housing unit in Washington County was built around 1974. On average, 2.3 people live in a home with about 6.0 rooms, staying for about 20.0 years on average.
Washington County, IL Housing Compared With Nearby Counties
Washington County, IL is the smallest of the 4 counties compared here, 13,623 residents against a local median of 36,549. The measure that sets Washington County, IL apart most is median home price: $39,129, 68% below the local median of $121,433.
Homeownership tells the same story from another angle: 84.1% against a local median of 71.7%, 17% above it. The one measure here that carries a verdict is homeownership, and at 17% above the local median it puts Washington County, IL at the better end of the local range. The counties themselves spread $175,469 on median home price, so Washington County, IL sits at one end of an already wide local range rather than apart from it. Washington County, IL has the 4th highest median home price of the 4 areas compared here.
| Area | Population | Median home price | Median rent | Homeownership |
|---|---|---|---|---|
| Washington County, IL | 13,623 | $39,129 #4/4 | $817 #3/4 | 84.1% #1/4 |
| Jefferson County, IL | 36,549 | $225,000 | $884 | 71.7% |
| Randolph County, IL | 30,051 | $49,530 | $779 | 76.6% |
| St. Clair County, IL | 253,661 | $121,433 | $1,089 | 68.4% |
Frequently Asked Questions
Common questions about the housing market in Washington County, Illinois.
What is the median home price in Washington County, Illinois?
The median home price in Washington County, Illinois is $39,129, lower than the Illinois average of $149,936.
What is the average home price in Washington County, Illinois?
The typical home price in Washington County, Illinois, reported as the median sale price, is $39,129. The median is used instead of a mathematical average because it is not skewed by a small number of very expensive or very cheap homes, so it better reflects what a typical buyer pays.
What is the median rent in Washington County, Illinois?
The median gross rent in Washington County, Illinois is $817 per month, lower than the Illinois average of $1,274.
What was the median gross rent in Washington County in 2020?
In 2020, the median gross rent in Washington County, Illinois was $722 per month.
What is the price-to-rent ratio in Washington County, Illinois?
The price-to-rent ratio in Washington County, Illinois is about 4.0, meaning it would take roughly 4.0 years of rent payments at the median rent to equal the median home price. That is a relatively low price-to-rent ratio, which tends to favor buying over renting in Washington County.
Are home prices or rent rising faster in Washington County, Illinois?
Both home prices and rent are rising in Washington County, up about 0.1% and 3.2% a year respectively. Rent is changing faster.
What is the homeownership rate in Washington County, Illinois?
76.0% of households in Washington County, Illinois own their home, higher than the Illinois average of 61.9%.
What is the vacancy rate in Washington County, Illinois?
The housing vacancy rate in Washington County, Illinois is 9.7%, higher than the Illinois average of 7.7%.
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