One of two U.S. Senate seats representing the state of Hawaii. Senators serve six-year terms and represent the entire state population.


There is no data about this race yet. General election on Nov 5, 2030.
| Year | Winner | Result | Runner-Up | Total Votes |
|---|---|---|---|---|
| 2024 | Mazie K. Hirono D | 64.6% | 501,763 | |
| 2022 | Brian Schatz D | 71.2% | 408,517 | |
| 2018 | Mazie K. Hirono D | 71.2% | 388,351 | |
| 2016 | Brian Schatz D | 73.6% | 416,562 | |
| 2012 | Mazie K. Hirono D | 62.6% | 430,483 | |
| 2010 | Daniel K. Inouye D | 74.8% | 370,583 | |
| 2006 | Daniel K. Akaka D | 61.3% | 342,842 | |
| 2004 | Daniel K. Inouye D | 75.5% | 415,347 | |
| 2000 | Daniel K. Akaka D | 72.7% | 345,623 | |
| 1998 | Daniel K. Inouye D | 79.2% | 398,124 | |
| 1994 | Daniel K. Akaka D | 71.8% | 356,902 | |
| 1992 | Daniel K. Inouye D | 57.3% | 363,662 | |
| 1988 | Spark Matsunaga D | 76.6% | 323,876 | |
| 1986 | Daniel K. Inouye D | 73.6% | 328,797 | |
| 1982 | Spark Matsunaga D | 80.1% | 306,410 |