The 1890 Colorado gubernatorial election was held on November 4, 1890. Republican nominee John Long Routt defeated Democratic nominee Caldwell Yeaman with 50.11% of the vote.
General election
Candidates
Democratic
- John Long Routt, former governor
Republican
- Caldwell Yeaman, former judge
Union Labor
- John G. Coy, activist and journalist
Prohibition
- John A. Elett, prohibitionist
Results
Counties that flipped from Republican to Democratic
- Archuleta
- Eagle
- Lake
- Montezuma
- Otero
- Park
- Pitkin
- San Miguel
- Summit
- Rio Blanco
Counties that flipped from Democratic to Republican
Counties that flipped from Republican to Labor