RepublicanNo state or federal office heldLost the 2014 general

James D. "jim" Oberweis

Ran in 1 election in 2014.

Last margin
−10.9
Lost 2014
Elections
1
2014

Source: Wikidata, congress-legislators and Open States; 99chambers legislative records

Every race Oberweis has run

Baseline: how the seat voted for president in the same or nearest year. Running ahead of it means Oberweis won voters the party’s presidential nominee did not; primaries have no baseline.

YearOfficeStageResultOpponentsShareMarginRaisedBaselineAgainst baseline
2014U.S. Senate, IllinoisGeneralLostRichard J. Durbin (D), Sharon Hansen (L)42.7%D+10.9$2.4MD+17.2+6.3

Source: 99chambers results archive

Money

Oberweis’s campaign fundraising.

Raised, 2013–14
$2.4M

Source: FEC filings through Dec 31, 2014Updated Oct 8, 2026, 10:36 AM ET

In the polls

Included in 10 polls; Oberweis’s best result was 41% (U.S. Senate in Illinois, 2014).

Oberweis’s polls in the database →

Source: Polls: The New York Times and Wikipedia poll lists

Who Oberweis has run against

Source: 99chambers results archive

How we know Oberweis

One person, matched across every source we use.

Source: Identity links: Wikidata, congress-legislators, Open States, FEC