Mercer County, IL Housing Market
The median sale price of a home in Mercer County was $140K last month, up 4.1% since last year. The median sale price per square foot in Mercer County is $68, down 26.1% since last year.
Mercer County Housing Market Trends
In May 2025, Mercer County home prices were up 4.1% compared to last year, selling for a median price of $140K. On average, homes in Mercer County sell after 18 days on the market compared to 14 days last year. There were 15 homes sold in May this year, down from 20 last year.

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Recently sold homes
- $180,000 Last Sold Price4 beds2 baths2,381 sq ft902 E Main St, Aledo, IL 61231List Price$185,000Sale to List3% under listDays on Market55 days902 E Main St, Aledo, IL 61231
- $199,900 Last Sold Price3 beds2 baths2,208 sq ft502 NW 9th Ave, Aledo, IL 61231List Price$199,900Sale to List0% over listDays on Market66 days502 NW 9th Ave, Aledo, IL 61231
- $285,000 Last Sold Price3 beds2.5 baths2,316 sq ft315 Oakview Dr, Aledo, IL 61231List Price$285,000Sale to List0% over listDays on Market66 days315 Oakview Dr, Aledo, IL 61231
- $83,500 Last Sold Price3 beds1 bath1,246 sq ft414 Sycamore St, New Windsor, IL 61465List Price$79,000Sale to List6% over listDays on Market40 days414 Sycamore St, New Windsor, IL 61465
- $345,000 Last Sold Price4 beds3 baths2,160 sq ft1791 261st St, Milan, IL 61264List Price$350,000Sale to List1% under listDays on Market78 days1791 261st St, Milan, IL 61264
- $136,000 Last Sold Price3 beds2 baths1,848 sq ft770 State Highway 94, Aledo, IL 61231List Price$139,900Sale to List3% under listDays on Market136 days770 State Highway 94, Aledo, IL 61231
- $76,500 Last Sold Price3 beds1 bath1,327 sq ft314 NW 2nd St, Aledo, IL 61231List Price$76,500Sale to List0% over listDays on Market178 days314 NW 2nd St, Aledo, IL 61231
- $106,000 Last Sold Price3 beds2 baths1,768 sq ft309 Clay St, New Boston, IL 61272List Price$119,900Sale to List12% under listDays on Market201 days309 Clay St, New Boston, IL 61272
See all recently sold homes in Mercer County.
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Schools in Mercer County
- Elementary
- Middle
- High
GreatSchools Rating
8/10 New Boston Elementary School Public • K-5 | 175 Students | 2 reviews |
6/10 Winola Elementary School Public • PreK-4 | 273 Students | 1 reviews |
5/10 Apollo Elementary School Public • K-5 | 335 Students | 1 reviews |
4/10 Sherrard Elementary School Public • K-4 | 237 Students | 1 reviews |
4/10 Matherville Intermediate School Public • 5-6 | 190 Students | 2 reviews |
Climate's impact on Mercer County housing
Learn about natural hazards and environmental risks, such as floods, fires, wind, and heat that could impact homes in Mercer County.
Flood Factor - Moderate
Flood Factor

Fire Factor - Moderate
Fire Factor

Wind Factor - Minor
Wind Factor

Heat Factor - Moderate
Heat Factor

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