RepublicanNo state or federal office heldLost the 2020 general
Jim Oberweis
Ran in 1 election in 2020.
- Last margin
- −1.3
- Lost 2020
- Elections
- 1
- 2020
Source: Wikidata, congress-legislators and Open States; 99chambers legislative records
Every race Oberweis has run
Margin: how far Oberweis finished ahead of (+) or behind (−) the runner-up.
| Year | Office | Stage | Result | Opponents | Share | Margin | Raised |
|---|---|---|---|---|---|---|---|
| 2020 | U.S. House, IL-14 | General | Lost | Lauren Underwood (D), Joseph Monack (I) | 49.3% | D+1.3 | $3.3M |
Source: 99chambers results archive
Money
Oberweis’s campaign fundraising.
- Raised, 2019–20
- $3.3M
Source: FEC filings through Dec 31, 2020Updated Oct 8, 2026, 10:37 AM ET
In the polls
Included in 1 poll; Oberweis’s best result was 38% (Illinois's 14th District, 2020).
Oberweis’s polls in the database →Who Oberweis has run against
- Lauren Underwood (D) · 2020 election, lost
Source: 99chambers results archive