Elections / 2018 · Senate · MO
Missouri — 2018 U.S. Senate election
Recent presidential results
Akashicstate2018 Senate electionMissouri · U.S. SenateHawleyR+5.8
How it voted
Share of the 2018 vote
| Josh Hawley ✓Republican | 51.4% | 1,254,927 |
|---|---|---|
| Claire McCaskill (i)Democrat | 45.6% | 1,112,935 |
| Craig O'DearIndependent | 1.4% | 34,398 |
2018Senate margin
D+60R+60
116 counties, each filled by 2018 D-vs-R margin. Hover any county for its result.
County-level results (116 counties) — table
| County | Winner | Margin |
|---|---|---|
| ADAIR, MO | Republican | R+16.6 |
| ANDREW, MO | Republican | R+33.6 |
| ATCHISON, MO | Republican | R+48.4 |
| AUDRAIN, MO | Republican | R+33.5 |
| BARRY, MO | Republican | R+50.4 |
| BARTON, MO | Republican | R+65.3 |
| BATES, MO | Republican | R+38.3 |
| BENTON, MO | Republican | R+40.3 |
| BOLLINGER, MO | Republican | R+61.4 |
| BOONE, MO | Democratic | D+15.4 |
| BUCHANAN, MO | Republican | R+10.0 |
| BUTLER, MO | Republican | R+55.4 |
| CALDWELL, MO | Republican | R+40.7 |
| CALLAWAY, MO | Republican | R+29.0 |
| CAMDEN, MO | Republican | R+42.8 |
| CAPE GIRARDEAU, MO | Republican | R+43.3 |
| CARROLL, MO | Republican | R+50.5 |
| CARTER, MO | Republican | R+55.6 |
| CASS, MO | Republican | R+21.7 |
| CEDAR, MO | Republican | R+53.2 |
| CHARITON, MO | Republican | R+34.3 |
| CHRISTIAN, MO | Republican | R+42.6 |
| CLARK, MO | Republican | R+45.0 |
| CLAY, MO | Democratic | D+2.2 |
| CLINTON, MO | Republican | R+27.4 |
| COLE, MO | Republican | R+27.0 |
| COOPER, MO | Republican | R+34.4 |
| CRAWFORD, MO | Republican | R+41.0 |
| DADE, MO | Republican | R+53.8 |
| DALLAS, MO | Republican | R+47.6 |
| DAVIESS, MO | Republican | R+41.6 |
| DE KALB, MO | Republican | R+41.7 |
| DENT, MO | Republican | R+54.7 |
| DOUGLAS, MO | Republican | R+57.9 |
| DUNKLIN, MO | Republican | R+47.8 |
| FRANKLIN, MO | Republican | R+23.3 |
| GASCONADE, MO | Republican | R+40.1 |
| GENTRY, MO | Republican | R+37.5 |
| GREENE, MO | Republican | R+13.8 |
| GRUNDY, MO | Republican | R+48.7 |
| HARRISON, MO | Republican | R+53.7 |
| HENRY, MO | Republican | R+31.9 |
| HICKORY, MO | Republican | R+36.9 |
| HOLT, MO | Republican | R+55.4 |
| HOWARD, MO | Republican | R+29.2 |
| HOWELL, MO | Republican | R+53.3 |
| IRON, MO | Republican | R+28.1 |
| JACKSON, MO | Democratic | D+1.4 |
| JASPER, MO | Republican | R+42.1 |
| JEFFERSON, MO | Republican | R+12.4 |
| JOHNSON, MO | Republican | R+22.5 |
| KANSAS CITY, MO | Democratic | D+61.1 |
| KNOX, MO | Republican | R+43.6 |
| LACLEDE, MO | Republican | R+52.9 |
| LAFAYETTE, MO | Republican | R+29.2 |
| LAWRENCE, MO | Republican | R+50.8 |
| LEWIS, MO | Republican | R+40.4 |
| LINCOLN, MO | Republican | R+26.7 |
| LINN, MO | Republican | R+35.5 |
| LIVINGSTON, MO | Republican | R+40.9 |
| MACON, MO | Republican | R+43.0 |
| MADISON, MO | Republican | R+44.0 |
| MARIES, MO | Republican | R+47.8 |
| MARION, MO | Republican | R+40.0 |
| MCDONALD, MO | Republican | R+58.5 |
| MERCER, MO | Republican | R+64.3 |
| MILLER, MO | Republican | R+54.7 |
| MISSISSIPPI, MO | Republican | R+34.6 |
| MONITEAU, MO | Republican | R+47.6 |
| MONROE, MO | Republican | R+41.5 |
| MONTGOMERY, MO | Republican | R+38.7 |
| MORGAN, MO | Republican | R+45.0 |
| NEW MADRID, MO | Republican | R+40.1 |
| NEWTON, MO | Republican | R+51.2 |
| NODAWAY, MO | Republican | R+25.3 |
| OREGON, MO | Republican | R+46.4 |
| OSAGE, MO | Republican | R+55.9 |
| OZARK, MO | Republican | R+51.6 |
| PEMISCOT, MO | Republican | R+33.3 |
| PERRY, MO | Republican | R+46.6 |
| PETTIS, MO | Republican | R+37.2 |
| PHELPS, MO | Republican | R+29.6 |
| PIKE, MO | Republican | R+28.3 |
| PLATTE, MO | Republican | R+0.3 |
| POLK, MO | Republican | R+44.7 |
| PULASKI, MO | Republican | R+39.4 |
| PUTNAM, MO | Republican | R+60.3 |
| RALLS, MO | Republican | R+43.2 |
| RANDOLPH, MO | Republican | R+38.5 |
| RAY, MO | Republican | R+20.7 |
| REYNOLDS, MO | Republican | R+44.3 |
| RIPLEY, MO | Republican | R+54.7 |
| SALINE, MO | Republican | R+21.3 |
| SCHUYLER, MO | Republican | R+46.5 |
| SCOTLAND, MO | Republican | R+47.3 |
| SCOTT, MO | Republican | R+48.8 |
| SHANNON, MO | Republican | R+42.0 |
| SHELBY, MO | Republican | R+44.8 |
| ST. CHARLES, MO | Republican | R+8.6 |
| ST. CLAIR, MO | Republican | R+39.5 |
| ST. FRANCOIS, MO | Republican | R+24.5 |
| ST. LOUIS CITY, MO | Democratic | D+70.3 |
| ST. LOUIS COUNTY, MO | Democratic | D+26.2 |
| STE. GENEVIEVE, MO | Republican | R+7.4 |
| STODDARD, MO | Republican | R+61.7 |
| STONE, MO | Republican | R+52.8 |
| SULLIVAN, MO | Republican | R+48.5 |
| TANEY, MO | Republican | R+49.6 |
| TEXAS, MO | Republican | R+52.8 |
| VERNON, MO | Republican | R+45.9 |
| WARREN, MO | Republican | R+25.5 |
| WASHINGTON, MO | Republican | R+30.2 |
| WAYNE, MO | Republican | R+53.4 |
| WEBSTER, MO | Republican | R+45.0 |
| WORTH, MO | Republican | R+45.7 |
| WRIGHT, MO | Republican | R+56.9 |
presidential baselinePresident 2016R+18.5Senate 2018R+5.8vs. baselineD+12.7
Missouri's 2018 Senate race ran 12.7 points more Democratic than its 2016 presidential margin.
Missouri's Senate margins
Every contest in our store, 1976–2024
| Year | Margin (D minus R) |
|---|---|
| 1976 | −14.4% |
| 1980 | +4.3% |
| 1982 | −1.7% |
| 1986 | −5.3% |
| 1988 | −36.0% |
| 1992 | −7.0% |
| 1994 | −24.0% |
| 1998 | −8.9% |
| 2000 | +2.1% |
| 2002 | −1.1% |
| 2004 | −13.3% |
| 2006 | +2.3% |
| 2010 | −13.6% |
| 2012 | +15.7% |
| 2016 | −2.8% |
| 2018 | −5.8% |
| 2022 | −13.7% |
| 2024 | −13.7% |
Same ballot, 2018MO
Source. MIT Election Data + Science Lab — 2018 US Senate returns, party-classified by literal ballot party · county returns aggregated from precinct-level results. Real returns — nothing estimated.