United States Senate – DEM Hold
Joe Biden (D-inc) – 257,539 – 64.69%
Christine O’Donnell (R) – 140,595 – 35.31%
Total Votes – 398,134 – 100.00%
United States House of Representatives – District At Large – GOP Hold
Michael Castle (R-inc) – 235,437 – 61.08%
Karen Hartley-Nagle (D) – 146,434 – 37.99%
Mark Anthony Parks (L) – 3,586 – 0.93%
Total Votes – 385,457 – 100.00%