Seneca

Illinois · IL · McHenry County

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About Seneca

Township in Illinois, United States

2,893Population

36 sq miArea

Seneca Township is located in McHenry County, Illinois. As of the 2020 census, its population was 2,893 and it contained 1,102 housing units. It includes the census-designated place of Franklinville.

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From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

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The weekly

This week in Seneca

September 14–20, 2026·Illinois · IL · McHenry County

In the local news, Wilmington Varsity Softball @ Seneca (MaxPreps), Seneca Varsity Football @ Ridgewood (MaxPreps), and Lexington Varsity Baseball @ Seneca (MaxPreps).

The community noted 2 passings this week (obituaries).

Gathered from local news, the National Weather Service, and your neighbors’ posts.

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From your neighbors

What’s happening

Omar W.

2h · Townwide

QuestionAround town

Recommendations for a good electrician?

Need a couple outlets added before the holidays. Licensed and reasonable would be ideal.

8Answer

Paul B.

5h · Townwide

Around town

Lost dog near Townwide — please keep an eye out

Small brown terrier, very friendly, answers to Scout. Slipped the leash this morning. Any sightings appreciated.

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