Multi-family homes for sale in Seneca, IL

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Seneca, IL Real Estate Market Overview

There are no multi-family homes for sale in Seneca, IL. The following market insights reflect all property types in the Seneca, IL real estate market. In June 2025 in Seneca, IL there were 31.4% more homes for sale than in May 2025. In June 2025 median list price was $128,500 and the average listing age was 55 days. Seneca, IL housing market in June 2025 saw over 2 listings sold above listed price, more than 1 sold at listed price and over 5 sold below.

From Rocket Homes Real Estate and based on county public records data

What is it like to live in Seneca, IL

Overview

Seneca is located in LaSalle County, Illinois. There are roughly 1,412 residents, living in 518 households. The average temperature for Seneca this time of the year is low of 61F and high of 83F. On average, Seneca gets about 3.67 inches of precipitation in August. Most residents are home owners (84%), have a post secondary degree (49%) and are married, no kids (33%).

Data provided by Home Junction

Schools near Seneca, IL

Elementary Schools

Seneca Grade School North Campus
174 Oak St
Public District PK-4

Middle Schools

Seneca Elementary School South Campus
174 Oak St
Public District 5-8

High Schools

Seneca High School
PO Box 20
Public District 9-12

Data provided by Great Schools

Housing market reports in LaSalle County

Homes for sale near Seneca, IL

Manlius Township homes for sale