Castle is no longer in Congress after an unsuccessful Senate bid in 2010.
Rep. Mike Castle (R-Del.)
- District: Delaware -- At Large
- Residence: Wilmington
- Born: July 2, 1939; Wilmington, Del.
- Religion: Roman Catholic
- Family: Wife, Jane Castle
- Education: Hamilton College, B.A. 1961 (economics); Georgetown U., LL.B. 1964
- Military Service: None
- Political Highlights: Del. House, 1967-69; Del. Senate, 1969-77 (minority leader, 1976-77); lieutenant governor, 1981-85; governor, 1985-93; U.S. House, 1993-2011
- Elected: Elected: 1992 (9th term)
- Committee Assignments: Education & Labor (Early Childhood, Elementary & Secondary Education - Ranking Member; Higher Education, Lifelong Learning & Competitiveness); Financial Services (Capital Markets, Insurance & GSEs; Domestic Monetary Policy & Technology - Deputy Ranking Member; Financial Institutions & Consumer Credit)
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State Information: Delaware -- At Large
Election History
| Year | Election | Candidate | Votes | Percent |
| 2010 | general | John Carney (D) | 173,543 | 56.8% |
| Glen Urquhart (R) | 125,442 | 41% |
| Earl Lofland (I) | 3,704 | 1.2% |
| Brent Wangen (LIBERT) | 1,986 | 0.6% |
| Jeffrey Brown (BLU) | 961 | 0.3% |
| 2008 | general | Michael Castle (R) | 235,437 | 61.1% |
| Karen Hartley-Nagle (D) | 146,434 | 38% |
| Mark Parks (LIBERT) | 3,586 | 0.9% |
| 2006 | general | Michael Castle (R) | 143,897 | 57.2% |
| Denni Spivack (D) | 97,565 | 38.8% |
| Karen Hartley-Nagle (I) | 5,769 | 2.3% |
| Michael Berg (GREEN) | 4,463 | 1.8% |
| 2004 | general | Michael Castle (R) | 245,978 | 69.1% |
| Paul Donnelly (D) | 105,716 | 29.7% |
| Maurice Barros (I) | 2,337 | 0.7% |
| William Morris (LIBERT) | 2,014 | 0.6% |
| 2002 | general | Michael Castle (R) | 164,605 | 72.1% |
| Micheal Miller (D) | 61,011 | 26.7% |
| Brad Thomas (LIBERT) | 2,789 | 1.2% |
Vote For President
| Year | Democrat | Republican | Independent |
| 2008 | Barack Obama: 62% | John McCain: 37% | |
| 2004 | John Kerry: 53% | George W. Bush: 46% | |
| 2000 | Al Gore: 55% | George W. Bush: 42% | |