Union County, Illinois Housing Market Prices
Union 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 24% below the Illinois median More expensive than 70% of counties in Illinois$113,636
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Median rent 49% below the Illinois median Cheaper than 94% of counties in Illinois$647
Median Home Price Map: Nearby Counties
Housing Market Overview
| Metric | Union County | Illinois Avg | US Average |
|---|---|---|---|
| Median Home Price | $113,636 | $149,936 | $248,835 |
| Price Trend (Annual %) | 17.2% | 2.5% | 7.5% |
| Median Gross Rent | $647 | $1,274 | $1,407 |
| Rent Trend (Annual %) | 4.1% | 4.1% | 5.1% |
| Household Income Trend (Annual %) | — | — | — |
The median home price in Union County is about 24% lower than in Illinois. Rent is about 49% 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 Union County, up about 17.2% and 4.1% a year respectively. Home prices are changing faster.
Median rent in Union County rose about 32.5% between 2015 and 2024, from $489 to $647. Over the same span, rent in Illinois rose about 40.4%.
Affordability
On average, housing unit costs 2.0 yearly household incomes in Union County.
Buying the median-priced home in Union County costs roughly 14.6 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 Union County. The price-to-rent ratio in Illinois is about 9.8.
| Metric | Union County | Illinois Avg | US Average |
|---|---|---|---|
| Median Home Price | $113,636 | $149,936 | $248,835 |
| Median Household Income | $55,637 | $84,042 | $80,455 |
| Price-to-Income Ratio | 2.0 | 1.8 | 3.1 |
Home Prices vs Income Over Time
Between 2015 and 2024, the median home price in Union County rose about 26.0%, while median household income rose about 43.1% 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 | Union County | Illinois Avg | US Average |
|---|---|---|---|
| Homeownership Rate | 67.7% | 61.9% | 58.5% |
| Rental Rate | 19.7% | 30.4% | 31.2% |
| Vacancy Rate | 12.5% | 7.7% | 10.2% |
| Median Tenure (years) | 18.0 | 16.0 | 15.0 |
| Median Year Moved In | 2008 | 2010 | 2011 |
Union County has a homeownership rate of 67.7%, higher than the Illinois average of 61.9%. Its housing vacancy rate is 12.5%, compared with 7.7% in Illinois.
Housing Stock
| Metric | Union County | Illinois Avg | US Average |
|---|---|---|---|
| Average Household Size | 2.35 people | 2.46 people | 2.53 people |
| Median Structure Built Year | 1975 | 1969 | 1978 |
| Median Number of Rooms | 5.5 | 5.6 | 5.5 |
The typical housing unit in Union County was built around 1975. On average, 2.3 people live in a home with about 5.5 rooms, staying for about 18.0 years on average.
Union County, IL Housing Compared With Nearby Counties
How Union County, IL compares with the 2 counties closest to it.
| Area | Population | Median home price | Median rent | Homeownership |
|---|---|---|---|---|
| Union County, IL | 16,997 | $113,636 #1/3 | $647 #3/3 | 77.4% #1/3 |
| Jackson County, IL | 53,061 | $69,066 | $782 | 50.0% |
| Williamson County, IL | 66,874 | $94,999 | $930 | 70.7% |
Frequently Asked Questions
Common questions about the housing market in Union County, Illinois.
What is the median home price in Union County, Illinois?
The median home price in Union County, Illinois is $113,636, lower than the Illinois average of $149,936.
What is the average home price in Union County, Illinois?
The typical home price in Union County, Illinois, reported as the median sale price, is $113,636. 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 Union County, Illinois?
The median gross rent in Union County, Illinois is $647 per month, lower than the Illinois average of $1,274.
What was the median gross rent in Union County in 2020?
In 2020, the median gross rent in Union County, Illinois was $638 per month.
What is the price-to-rent ratio in Union County, Illinois?
The price-to-rent ratio in Union County, Illinois is about 14.6, meaning it would take roughly 14.6 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 Union County.
Are home prices or rent rising faster in Union County, Illinois?
Both home prices and rent are rising in Union County, up about 17.2% and 4.1% a year respectively. Home prices are changing faster.
What is the homeownership rate in Union County, Illinois?
67.7% of households in Union County, Illinois own their home, higher than the Illinois average of 61.9%.
What is the vacancy rate in Union County, Illinois?
The housing vacancy rate in Union County, Illinois is 12.5%, higher than the Illinois average of 7.7%.
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