What are current home values in Warren County, IL?

The median home value in Warren County, IL is $122,099 as of July 2026. This represents a 0.0% increase compared to last month and a 0.9% decrease year-over-year.

How do home values in Warren County, IL compare to Illinois and the national average?

The median home value in Warren County, IL ($122,099) compares to Illinois ($299,900) and the U.S. national median ($371,774).

What are the top cities in Warren County, IL by home value?

The cities with the highest median home values in Warren County, IL include: Gerlaw ($214,543), Cameron ($179,556), Smithshire ($155,580), Berwick ($150,569), Little York ($128,985). These cities represent the most expensive areas within the county.

Warren County, IL Housing Market

$122,099

0.9% 1-yr

The average Warren County, IL home value is $122,099, down 0.9% over the past year. (Updated on 7/31/2026)

What is the Zillow Home Values Index?

Zillow Home Value Index (ZHVI), built from the ground up by measuring monthly changes in property level Zestimates, captures both the level and home values across a wide variety of geographies and housing types.

Learn more about the Zillow Home Value Index

Warren County Key Takeaways

Typical Home Values: $122,099

1-Year Value Change: -0.9%

(Data through July 31, 2026)

Warren County Housing Market Overview

1-Year Market Forecast: --

For Sale Inventory: 72 (July 31, 2026)

New Listings: 18 (July 31, 2026)

Median Sale to List Ratio: --

Median Sale Price: --

Median List Price: $136,000 (July 31, 2026)

Percent of Sales Over List Price: --

Percent of Sales Under List Price: --

Median Days to Pending: --

(Metric availability is based on market coverage and data, housing data available for download in the Housing Data page)

How does this data help me?
Zillow's metrics provide valuable market data by tracking market changes in different locations and housing types.

Cities in Warren County

NameMedian ZHVI
Monmouth$115,621
Cameron$185,359
Berwick$157,748
Kirkwood$114,913
Roseville$131,233
Smithshire$159,678
Gerlaw$217,739
Abingdon$93,765
Media--

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Warren County Homes for Sale

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Warren County Rental Market Trends

Average Rent: --

National Average Rent: $1,962 (July 31, 2026)

Month-Over-Month Change: --

Year-Over-Year Change: --

How does this data help me?
The Zillow Observed Rent Index (ZORI) measures changes in asking rents over time, controlling for changes in the quality of the available rental inventory.