Housing Market Report
Jefferson County, IL
Data through February 2026 · Updated monthly
Homes are selling quickly with few price cuts
Avg Home Value
$137,559
▲ 4.4% year-over-year
Days to Pending
--
Homes For Sale
100
Avg Rent/Month
--
The Jefferson County, IL housing market is continuing to appreciate. The average home value is $137,559, up 4.4% year-over-year as of February 2026. 0.1% of active listings have had a price cut.
There are currently 100 homes for sale in the county, with 23 new listings hitting the market each month.
For homebuyers, the estimated monthly mortgage payment on a median-priced home in Jefferson County with 10% down is $854.
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Market Snapshot
Jefferson County Housing Market at a Glance
Key metrics for Jefferson County as of February 2026. Year-over-year changes show how the market has shifted in the last 12 months.
| Metric | Dec 2025 | Jan 2026 | Feb 2026 | 3-Mo Change |
|---|---|---|---|---|
| Avg Home Value | $133,953 | $135,667 | $137,559 | ▲ 2.7% |
| Single Family Value | $134,059 | $135,777 | $137,670 | ▲ 2.7% |
| Median List Price | $189,633 | $194,667 | $201,250 | ▲ 6.1% |
| Homes For Sale | 99 | 100 | 100 | ▲ 1.0% |
| New Listings | 28 | 26 | 23 | ▼ 17.9% |
| % Listings w/ Price Cut | 0.2% | 0.2% | 0.1% | ▼ 26.3% |
Home Values
Jefferson County Home Value Trend (2000–2026)
All-home median values including the 2008 housing crash, 2020 COVID surge, and 2022 rate shock. Switch between All Homes, Single Family, Bottom Tier, Top Tier, and Rent to compare trends.
Source: Zillow Research ZHVI / ZORI · Updated monthly
Market Tiers
Buyer vs. Investor Segments
Bottom-tier homes (under 33rd percentile) are the primary target for wholesale investors using the 70% rule.
Bottom Tier
Under 33rd percentile
--
Wholesale / investor range
Mid Tier
33rd-67th percentile
$137,559
▲ 4.4% YoY
Typical buyer range
Top Tier
Over 67th percentile
$239,968
Luxury / high-end
Market Activity
Supply, Demand and Pricing Power
How quickly homes are selling, how many are available, and whether sellers or buyers have the upper hand in Jefferson County.
Homes For Sale
100
23 new/month
% Listings w/ Price Cut
0.1%
Median List Price
$201,250
Affordability
Monthly Cost to Own in Jefferson County
Estimated mortgage payments on the median-priced home at current rates.
| Down Payment | Est. Monthly Payment |
|---|---|
| 5% down | $1,297/mo |
| 10% down | $1,250/mo |
| 20% down | $1,063/mo |
Metro Context
Jefferson County vs. Mount Vernon
How Jefferson County compares to the broader Mount Vernon metropolitan area.
| Metric | Jefferson County | Metro Avg |
|---|---|---|
| Avg Home Value | $137,559 | $573,224 |
| Days to Pending | -- | -- |
| % Sold Below List | -- | 0.6% |
| Avg Rent/Month | -- | $2,127 |
Nearby Markets
Other Counties in IL
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Frequently Asked Questions
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Data Sources and Methodology
Market data on this page comes from the Zillow Home Value Index (ZHVI) and Zillow Observed Rent Index (ZORI), updated monthly by Zillow Research. ZHVI measures the typical home value for a given region based on Zillow's proprietary automated valuation model, smoothed and seasonally adjusted to remove noise. ZORI measures the typical observed market-rate rent across the region, controlling for quality mix changes.
Sale price, inventory, days-on-market, and sale-to-list metrics are sourced from Zillow Research public data releases. All data is refreshed on the 17th of each month. This report was last updated February 2026.
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