Elections / 2006 · US Senate
The 2006 Senate map
33 Senate contests were decided in 2006: Democrats won 22, Republicans 9, independents and others 2. Every contest below links to its page with the state's full Senate history.
2006 U.S. Senate elections
Dem. caucus 51 +651for control49 Republicans −6
7 seats flipped (CT, MT, OH, PA, RI, VA, VT) — Democrats took control. Independents (Sanders, King) are counted in the caucus they organize with and shown in gold on the map.
VTMARICTNJDEMD
States with a seat up this cycle, filled by margin · cyan outlines a seat that flipped party · gold an independent · hover for the detail
Every contest
Statewide totals; candidate-level detail joins when the raw store is re-fetched with names.
| State | Won | Margin | Pres. 2004 | Democratic | Republican | Total |
|---|---|---|---|---|---|---|
| Arizona | R | R+10.5 | 664,141 | 814,398 | 1,526,770 | |
| California | D | D+9.9 | 5,076,289 | 2,990,822 | 8,541,150 | |
| Connecticut | O | D+10.4 | 450,844 | 109,198 | 1,134,697 | |
| Delaware | D | D+7.6 | 170,567 | 69,734 | 242,972 | |
| Florida | D | R+5.0 | 2,890,548 | 1,826,127 | 4,793,440 | |
| Hawaii | D | D+8.7 | 210,330 | 126,097 | 342,842 | |
| Indiana | R | R+20.7 | 0 | 1,171,553 | 1,340,373 | |
| Massachusetts | D | D+25.2 | 1,500,738 | 661,532 | 2,165,490 | |
| Maryland | D | D+13.0 | 965,477 | 787,182 | 1,780,223 | |
| Maine | R | D+9.0 | 113,131 | 405,596 | 545,128 | |
| Michigan | D | D+3.4 | 2,151,278 | 1,559,597 | 3,780,118 | |
| Minnesota | D | D+3.5 | 1,278,849 | 835,653 | 2,201,818 | |
| Missouri | D | R+7.2 | 1,055,255 | 1,006,941 | 2,128,371 | |
| Mississippi | R | R+19.7 | 213,000 | 388,399 | 610,921 | |
| Montana | D | R+20.5 | 199,845 | 196,283 | 406,505 | |
| North Dakota | D | R+27.4 | 150,146 | 64,417 | 218,152 | |
| Nebraska | D | R+33.2 | 378,388 | 213,928 | 592,316 | |
| New Jersey | D | D+6.7 | 1,200,843 | 997,775 | 2,250,070 | |
| New Mexico | D | R+0.8 | 394,365 | 163,826 | 558,191 | |
| Nevada | R | R+2.6 | 238,796 | 322,501 | 582,572 | |
| New York | D | D+18.3 | 2,698,931 | 1,212,902 | 4,490,053 | |
| Ohio | D | R+2.1 | 2,257,369 | 1,761,037 | 4,018,406 | |
| Pennsylvania | D | D+2.5 | 2,392,984 | 1,684,778 | 4,077,762 | |
| Rhode Island | D | D+20.8 | 206,043 | 178,950 | 384,993 | |
| Tennessee | R | R+14.3 | 879,976 | 929,911 | 1,833,695 | |
| Texas | R | R+22.9 | 1,555,202 | 2,661,789 | 4,314,663 | |
| Utah | R | R+45.5 | 177,459 | 356,238 | 571,252 | |
| Virginia | D | R+8.2 | 1,175,606 | 1,166,277 | 2,367,985 | |
| Vermont | O | D+20.1 | 0 | 84,924 | 262,152 | |
| Washington | D | D+7.2 | 1,184,659 | 832,106 | 2,083,734 | |
| Wisconsin | D | D+0.4 | 1,439,214 | 630,299 | 2,138,297 | |
| West Virginia | D | R+12.9 | 159,154 | 47,408 | 206,562 | |
| Wyoming | R | R+39.8 | 57,671 | 135,174 | 192,845 |
Source. MIT Election Data + Science Lab — 2006 US Senate returns, party-classified by literal ballot party · statewide certified totals. Real returns — nothing estimated.