Oak Brook, IL town hall & government
Oak Brook spent $51.1 million in the year to December 31, 2024, about $6,365 per resident.
Where the money goes, where it comes from, property taxes, and how to reach Oak Brook's government.
Where Oak Brook's money goes
Where the money comes from
- From the state 34%
- Sales taxes 22%
- Utility sales 16%
- Fees & charges 13%
- Interest, fines & other 8%
- Other taxes & licenses 6%
- Property taxes 1%
- From other local governments <1%
- From the federal government <1%
Who works for Oak Brook
Staff on the town's payroll in March 2022. Pay is March payroll times twelve, so it's approximate.
Hinsdale Township High School District 86
Oak Brook's high school district, shared with Clarendon Hills, Willowbrook, Hinsdale, Burr Ridge, Darien and Downers Grove. It is its own government, with a budget separate from the town's.
Where the district's money comes from Illinois districts overall: 52% local, 38% state, 10% federal
- Local 76%
- State 23%
- Federal 1%
Of the $33,501 per pupil, $20,272 goes to classroom instruction (teachers, aides, supplies); the rest to support services such as buses, buildings, counselors and administration. Building projects and debt payments aren't in the per-pupil figure.
Also serving Oak Brook: Butler School District 53 ($34,706 per pupil) · Community High School District 99 ($28,322 per pupil) · Downers Grove Grade School District 58 ($21,709 per pupil).
Which schools Oak Brook kids attend, test scores and graduation rate →
What homeowners in Oak Brook pay
The median yearly bill homeowners report, covering every local property tax on the home (town, schools, county). The effective rate is that bill divided by the median home value, so it's a rough guide, not the official tax rate.
Contact Oak Brook's government
Who represents Oak Brook
Oak Brook is represented in Congress by Senators Richard J. Durbin and Tammy Duckworth and Representatives Jesús G. "Chuy" García and Sean Casten. J. B. Pritzker is governor.
Budget: U.S. Census Bureau, 2022 Census of Governments: Finance (every city and town government's revenue, spending and debt, grouped into plain categories). Property tax: Census American Community Survey, 5-year estimates.