The 20th Utah Senate District is located in Weber County and includes Utah House Districts 6, 7, 8, 9, 11 and 12. The current State Senator representing the 20th district is Gregg Buxton. Buxton was elected to the Utah Senate in 2016 and re-elected in 2020.
| - ! Name | Party | Term | - | - | Scott K. Jenkins | Republican | 2001-2017 | - | - | Joseph L. Hull | Democrat | 1993–2001 | - | - | Glade Nielsen | Republican | 1987–1992 | - | - | Lowell S. Peterson | Republican | 1981–1986 | - | - | Kenneth Pace | Democrat | 1977–1980 | - | - | Merrill Jenkins | Democrat | 1973–1976 | - | - | Republican | 1967–1972 | - |
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See main article: Elections in the United States.