Warren County, IL Housing Market
The median sale price of a home in Warren County was $145K over the last 3 months, down 19.7% since the same period last year. The median sale price per square foot in Warren County is $96, up 14.3% since last year.
Warren County Housing Market Trends
Over the three months ending August 2026, Warren County home prices were down 19.7% compared to the same period last year, selling for a median price of $145K. On average, homes in Warren County sell after 105 days on the market compared to 77 days last year. There were 7 homes sold in August this year, down from 11 last year.

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View houses in Warren County that sold recently
Recently sold homes
- $120,000 Last Sold Price3 beds1 bath1,365 sq ft917 W 6th Ave, Monmouth, IL 61462List Price$124,900Sale to List4% under listDays on Market136 days917 W 6th Ave, Monmouth, IL 61462
- $335,500—beds—baths2,338 sq ft711 N 11th St, Monmouth, IL 61462List Price—Sale to List—Days on Market—711 N 11th St, Monmouth, IL 61462
- $80,000 Last Sold Price4 beds2 baths1,513 sq ft180 E Penn Ave, Roseville, IL 61473List Price$104,900Sale to List24% under listDays on Market146 days180 E Penn Ave, Roseville, IL 61473
- $48,000—beds—baths916 sq ft322 W 8th Ave, Monmouth, IL 61462List Price—Sale to List—Days on Market—322 W 8th Ave, Monmouth, IL 61462
- $228,000—beds—baths1,590 sq ft78 140th St, Avon, IL 61415List Price—Sale to List—Days on Market—78 140th St, Avon, IL 61415
- $445,000—beds—baths2,172 sq ft4 Fairway Dr, Monmouth, IL 61462List Price—Sale to List—Days on Market—4 Fairway Dr, Monmouth, IL 61462
- $160,000—beds—baths2,363 sq ft1409 E 2nd Ave, Monmouth, IL 61462List Price—Sale to List—Days on Market—1409 E 2nd Ave, Monmouth, IL 61462
- $140,000—beds—baths936 sq ft1005 W Harlem Ave, Monmouth, IL 61462List Price—Sale to List—Days on Market—1005 W Harlem Ave, Monmouth, IL 61462
See all recently sold homes in Warren County.
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Schools in Warren County
- Elementary
- Middle
- High
GreatSchools Rating
7/10 United Intermediate School Public • 4-6 | 204 Students | N/A |
6/10 United Elementary School - West Public • PreK-3 | 189 Students | N/A |
6/10 United Elementary School - North Public • PreK-3 | 189 Students | 1 reviews |
5/10 Central Intermediate School Public • 4-6 | 310 Students | N/A |
4/10 Harding Primary School Public • 2-3 | 237 Students | 2 reviews |
Climate's impact on Warren County housing
Learn about natural hazards and environmental risks, such as floods, fires, wind, and heat that could impact homes in Warren County.
Flood Factor - Major
Flood Factor

Fire Factor - Moderate
Fire Factor

Wind Factor - Minor
Wind Factor

Heat Factor - Moderate
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