Seneca, Illinois, is a small village in LaSalle County, nestled along the Illinois River with a population of around 2,300. Known for its tight-knit community and scenic riverfront, Seneca offers a peaceful, small-town atmosphere with a rich history tied to its agricultural and industrial roots. The village features local businesses, parks, and recreational opportunities, including boating and fishing on the river, as well as proximity to nearby attractions like Starved Rock State Park. Annual events, such as the Seneca Shipyard Festival, bring residents together to celebrate their heritage, making it a charming spot for those seeking a quiet, community-focused lifestyle.

Seneca currently has 7 single family homes for sale with an average list price of $501,185.57 and 76 lots for sale with an average list price of $39,825.66. The average annual property tax for Seneca is $3,205.86.