The 1930 United States Senate election in Michigan was held on November 4, 1930. Incumbent Republican U.S. Senator James J. Couzens was re-elected to a second term in office over Democratic former U.S. Representative Thomas A. E. Weadock.
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 County results Couzens: 50–60% 60–70% 70–80% 80–90% 90–100% | |||||||||||||||||
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Despite the national wave favoring Democrats, Couzens won by a landslide even larger than his 1924 landslide.
General election
editCandidates
edit- James J. Couzens, incumbent U.S. Senator since 1922 (Republican)
- Milton E. Depew (Socialist)
- George Powers (Workers)
- Charles Rennells (Prohibition)
- Thomas A. E. Weadock, former U.S. Representative from Bay City (Democratic)
Results
edit| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Republican | James J. Couzens (incumbent) | 634,577 | 78.15% |  3.88 | |
| Democratic | Thomas A. E. Weadock | 169,757 | 20.91% |  4.30 | |
| Communist | George Powers | 3,523 | 0.43% | N/A | |
| Socialist | Milton E. Depew | 2,419 | 0.30% | 0.16 | |
| Prohibition | Charles Rennels | 1,718 | 0.21% | 0.51 | |
| Total votes | 811,994 | 100.00% | |||
| Republican hold | |||||