The 1990 United States Senate special election in Hawaii took place on November 4, 1990. Incumbent Democratic U.S. Senator Daniel Akaka was elected to finish the term ending in 1995. He had been appointed by Governor John Waiheʻe in April 1990 to serve temporarily after the death of Spark Matsunaga. This was the best Republican performance in a U.S. Senate race in Hawaii where the Democrat won since Hiram Fong retired in 1976.

Major candidates Democratic Daniel Akaka, incumbent U.S. Senator and former U.S. Representative

Republican Pat Saiki, U.S. Representative

Results

By county County Daniel AkakaDemocratic Pat SaikiRepublican Ken SchoollandLibertarian Margin Total votes cast # % # % # % # % Hawaii 5,195 57.42% 3,436 37.98% 417 4.60% 1,759 19.44% 9,048 Honolulu 128,781 51.52% 118,332 47.34% 2,868 1.14% 10,449 4.18% 249,981 Kauaʻi 13,874 65.57% 7,020 33.18% 265 1.25% 6,854 32.39% 21,159 Maui 20,736 60.04% 13,048 37.78% 752 2.18% 7,688 22.26% 34,536Totals188,90154.02%155,97844.61%4,7871.37%32,9239.41%349,666

See also 1990 United States Senate elections List of United States senators from Hawaii

References