Seneca is a village in LaSalle County, Illinois, with a population of approximately 2,525.
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Upcoming Events
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All news →NewsAPR 22, 2026
Illinois Extension to hold summertime salads program April 28 in Seneca
Illinois Extension to hold summertime salads program April 28 in Seneca Shaw Local
Shaw LocalRead article ↗
NewsMAR 19, 2026
Seneca Baseball Schedule
Seneca Baseball Schedule MaxPreps.com
MaxPreps.comRead article ↗
NewsMAR 09, 2026
2026 IHSA softball preview: Expect great things again this spring from Seneca
2026 IHSA softball preview: Expect great things again this spring from Seneca Shaw Local
Shaw LocalRead article ↗
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The Grant Finder, Rebuilt: Smarter Scoring, Three Finders, and a Pipeline to Track It All
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Data & Analysis
Best Suburbs of Chicago to Live In 2026 — Data, Not Opinions
We scored 206 Chicago suburbs across fiscal health and quality of life using real municipal data — crime, taxes, schools, pensions, income, homeownership, and environmental quality. Winnetka, Lake Forest, and Glencoe top the list.