Oak Brook is an affluent village in DuPage County (with a small portion in Cook County). Known for corporate headquarters, the upscale Oakbrook Center shopping mall, and abundant green space.
How Oak Brook Ranks
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Meetings
All meetings →Upcoming
Apr 16Firefighters' Pension FundAgendaApr 16Police Pension BoardAgendaApr 21Library Board of TrusteesAgendaApr 28Village Board of TrusteesRecent
Apr 14Village Board of TrusteesVideoApr 1Planning and Zoning CommissionAgendaMar 24Village Board of TrusteesVideoMar 10Village Board of TrusteesVideoUpcoming Events
All events →Apr 16VillageFirefighters' Pension Fund Meeting9:00 AMApr 16VillagePolice Pension Fund Meeting2:00 PMApr 21VillageLibrary Commission 4/21/20267:00 PMApr 28VillageVillage Board of Trustees7:00 PMApr 28VillageVillage Board of Trustees7:00 PMMay 12VillageVillage Board of Trustees7:00 PMMay 14VillageHotel Convention and Visitors Committee Meeting10:00 AMMay 26VillageVillage Board of Trustees7:00 PM
Recent News
All news →NewsAPR 14, 2026
Oak Brook’s Core Industrial Realty closes several Illinois transactions
Oak Brook’s Core Industrial Realty closes several Illinois transactions REJournals
REJournalsRead article ↗
NewsAPR 13, 2026
Oak Brook Weekly Update
Village of Oak BrookRead article ↗
NewsAPR 13, 2026
Village Newsletter
Village of Oak BrookRead article ↗
From Our Blog
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Product
Find Comparable Properties and Appeal Your Assessment — Free Tools Inside
The free Property Tax Check tells you instantly if you're over-assessed. The paid comps tool finds the evidence to prove it — comparable properties, appeal strength scoring, and a downloadable PDF report.
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.
Data & Analysis
Which Illinois Towns Are Going Broke? A Pension Fund Health Check
Illinois faces a 143.7 billion dollar pension crisis. We analyzed which towns are on the brink and what it means for your property taxes.