Congress › 9th District
Dongbo Mark Su R
Candidate for the U.S. House, Illinois's 9th District
| Election | Votes | Share | |
|---|---|---|---|
| March 17, 2026 primary (Republican) | 1,245 | 8.1% |
Campaign money, 2025–26
Top individual givers
| Wei Xian Truck Driver, Partners Express Inc, Monterey Park | $3,500 |
| William Su Software Engineer, Pinterest Inc, Brooklyn | $2,500 |
| Ying Zhou Software Engineer, Gatx, Wilmitte | $2,000 |
| Receipts Other Media, Chicago | $485 |
Givers' totals are their itemized contributions in the period as the campaign reported them, before any refunds or redesignations: a donor may give for both the primary and the general election, and a candidate who loses the primary returns what was given for the general, so a total can be more than what the campaign kept.
From the Federal Election Commission's data files, through September 30, 2026. Every report on fec.gov.
Financial disclosure
From their 2025 candidate report, filed June 12, 2025. Values are the ranges filers choose from; totals add up the bottoms and the tops. Owner: SP spouse, JT joint, DC dependent child, blank the filer.
Assets and unearned income 1
| Asset | Owner | Value | Income type | Income |
|---|---|---|---|---|
| Condo apartment [RE] Apartment rental | JT | $100,001 - $250,000 | Rent | $15,001 - $50,000 · $5,001 - $15,000 |
Earned income 2
| Source | Type | Amount |
|---|---|---|
| Apex | My salary | $130,000.00 · $120,000.00 |
| Grubhub | Food Delivery | $10,000.00 · $10,000.00 |
Debts 3
| Creditor | Owner | Type | Since | Amount |
|---|---|---|---|---|
| Chase | JT | Home mortgage | 2022 | $100,001 - $250,000 |
| City Bank NA | Personal loan | 2022 | $5,000.00 | |
| Best Egg | Personal loan | 2022 | $10,000.00 |
Positions outside Congress 1
| Organization | Position |
|---|---|
| Apex System | IT Consultant |
Filings
| Report | Filed | |
|---|---|---|
| 2026 Waiver | 2026-05-12 | |
| 2025 Candidate report | 2025-06-12 |
From the Clerk of the House (disclosures-clerk.house.gov). Each report links to the official PDF.