Elections / 2018 · US Senate
The 2018 Senate map
33 Senate contests were decided in 2018: Democrats won 21, Republicans 10, independents and others 2. Every contest below links to its page with the state's full Senate history.
2018 U.S. Senate elections
Dem. caucus 47 −151for control53 Republicans +1
6 seats flipped (AZ, FL, IN, MO, ND, NV) — Republicans held 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. 2016 | Democratic | Republican | Total |
|---|---|---|---|---|---|---|
| Arizona | D | R+3.5 | 1,191,100 | 1,135,200 | 2,383,742 | |
| California | D | D+30.0 | 11,113,364 | 0 | 11,113,364 | |
| Connecticut | D | D+13.6 | 787,685 | 545,717 | 1,386,752 | |
| Delaware | D | D+11.4 | 217,385 | 137,127 | 362,592 | |
| Florida | R | R+1.2 | 4,089,472 | 4,099,505 | 8,188,977 | |
| Hawaii | D | D+32.2 | 276,316 | 112,035 | 388,351 | |
| Indiana | R | R+19.0 | 1,023,553 | 1,158,000 | 2,282,495 | |
| Massachusetts | D | D+26.8 | 1,633,371 | 979,210 | 2,707,090 | |
| Maryland | D | D+26.8 | 1,491,614 | 697,017 | 2,297,538 | |
| Maine | O | D+2.7 | 66,268 | 223,502 | 634,409 | |
| Michigan | D | R+0.2 | 2,214,478 | 1,938,818 | 4,237,253 | |
| Minnesota | D | D+1.5 | 1,566,174 | 940,437 | 2,595,948 | |
| Missouri | R | R+18.5 | 1,112,935 | 1,254,927 | 2,442,282 | |
| Mississippi | R | R+17.8 | 369,567 | 547,619 | 936,215 | |
| Montana | D | R+20.2 | 253,876 | 235,963 | 504,384 | |
| North Dakota | R | R+35.7 | 144,376 | 179,720 | 324,096 | |
| Nebraska | R | R+25.0 | 269,917 | 403,151 | 698,417 | |
| New Jersey | D | D+14.0 | 1,711,654 | 1,357,355 | 3,169,310 | |
| New Mexico | D | D+8.2 | 376,998 | 212,813 | 697,012 | |
| Nevada | D | D+2.4 | 490,071 | 441,202 | 972,132 | |
| New York | D | D+22.5 | 3,755,489 | 1,730,439 | 6,055,151 | |
| Ohio | D | R+8.0 | 2,355,923 | 2,053,963 | 4,409,886 | |
| Pennsylvania | D | R+0.7 | 2,777,680 | 2,134,848 | 4,994,643 | |
| Rhode Island | D | D+15.4 | 231,477 | 144,421 | 375,898 | |
| Tennessee | R | R+26.0 | 985,450 | 1,227,483 | 2,243,740 | |
| Texas | R | R+9.0 | 4,045,632 | 4,260,553 | 8,371,655 | |
| Utah | R | R+17.9 | 328,541 | 665,215 | 1,062,845 | |
| Virginia | D | D+5.3 | 1,910,370 | 1,374,313 | 3,346,248 | |
| Vermont | O | D+26.4 | 0 | 74,663 | 272,330 | |
| Washington | D | D+15.7 | 1,803,364 | 1,282,804 | 3,086,168 | |
| Wisconsin | D | R+0.8 | 1,472,914 | 1,184,885 | 2,657,799 | |
| West Virginia | D | R+41.7 | 288,808 | 269,872 | 582,911 | |
| Wyoming | R | R+46.3 | 61,227 | 136,210 | 203,095 |
Source. MIT Election Data + Science Lab — 2018 US Senate returns, party-classified by literal ballot party · statewide certified totals. Real returns — nothing estimated.