RepublicanNo state or federal office heldLost the 2010 special

Christine O'Donnell

Ran in 2 elections between 2008 and 2010.

Last margin
−16.6
Lost 2010
Elections
2
2008–2010

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

Every race O'Donnell has run

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

YearOfficeStageResultOpponentsShareMarginRaisedBaselineAgainst baseline
2010U.S. Senate, Delaware (special)SpecialLostChris Coons (D), Glenn A. Miller (I), James W. Rash (L)40%D+16.6$7.4MD+25.3+8.7
2008U.S. Senate, DelawareGeneralLostJoseph Biden (D)35.3%D+29.4$116.5KD+25.3−4.1

Source: 99chambers results archive

Money

O'Donnell’s campaign fundraising.

Raised, 2009–10
$7.4M

Source: FEC filings through Dec 31, 2010Updated Oct 8, 2026, 10:36 AM ET

In the polls

Included in 18 polls; O'Donnell’s best result was 42% (U.S. Senate in Delaware, 2010).

O'Donnell’s polls in the database →

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

Who O'Donnell has run against

Source: 99chambers results archive

How we know O'Donnell

One person, matched across every source we use.

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