O'Fallon, IL town hall & government
O'Fallon spent $53.6 million in the year to April 30, 2022, about $1,811 per resident.
Where the money goes, where it comes from, property taxes, and how to reach O'Fallon's government.
Who runs O'Fallon
From public records (Open States and Wikidata), which can lag behind an election. If a name is out of date, tell us: when two neighbors agree, it's hidden until the records catch up.
Where O'Fallon's money goes
Where the money comes from
- From the state 31%
- Fees & charges 18%
- Utility sales 18%
- Property taxes 13%
- Sales taxes 9%
- Interest, fines & other 5%
- From the federal government 4%
- Other taxes & licenses 1%
- From other local governments 1%
Who works for O'Fallon
Staff on the town's payroll in March 2025. Pay is March payroll times twelve, so it's approximate.
O'Fallon Township High School District 203
O'Fallon's high school district, shared with O'Fallon, Shiloh Valley, Shiloh and Caseyville. 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 52%
- State 41%
- Federal 6%
Of the $16,315 per pupil, $9,682 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 O'Fallon: O'Fallon Community Consolidated School District 90 ($12,394 per pupil) · Central School District 104 ($27,085 per pupil) · Mascoutah Community Unit School District 19 ($15,184 per pupil).
Which schools O'Fallon kids attend, test scores and graduation rate →
What homeowners in O'Fallon 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 O'Fallon's government
Who represents O'Fallon
O'Fallon is represented in Congress by Senators Richard J. Durbin and Tammy Duckworth and Representatives Mike Bost and Nikki Budzinski. 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.