Condos for sale in Seneca, IL

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Seneca, IL Real Estate Market Overview

There are no condos for sale in Seneca, IL. The following market insights reflect all property types in the Seneca, IL real estate market. Between May 2025 and June 2025, Seneca, IL real estate market has seen an increase in the number of listings by 31.4%. In June 2025, listings were on the market for 55 days. During the same period, the median list price in this real estate market was $128,500. While more than 2 listings in Seneca, IL in June 2025 were sold above asking price, there were more than 1 listings sold at asking price, and more than 5 were 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 63F and high of 85F. On average, Seneca gets about 3.84 inches of precipitation in July. 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