Voter Turnout By Election#
| Year | Polling Place Turnout | Mail Ballot Turnout | Registered Voters | Ballots Cast |
|---|---|---|---|---|
| 1977 | 19.52% | -- | -- | -- |
| 1979 | 61.08% | -- | -- | -- |
| 1981 | 23.55% | -- | -- | -- |
| 1983 | 35.44% | -- | -- | -- |
| 1985 | 17.17% | -- | -- | -- |
| 1987 | 20.12% | -- | -- | -- |
| 1989 | 14.92% | -- | -- | -- |
| 1991 | 24.38% | -- | -- | -- |
| 1993 | 17.91% | -- | -- | -- |
| 1995 | -- | 42.07% | -- | -- |
| 1997 | -- | 25.04% | -- | -- |
| 1999 | -- | 58.48% | 48,799 | 28,536 |
| 2001 | -- | 35.21% | 58,926 | 20,745 |
| 2003 | -- | 51.26% | 50,738 | 26,010 |
| 2005 | -- | 43.46% | 72,477 | 31,498 |
| 2007 | -- | 37.20% | 56,898 | 21,164 |
| 2009 | -- | 31.36% | 80,250 | 25,169 |
| 2011 | -- | 45.12% | 62,260 | 28,093 |
| 2013 | -- | 29.15% | 89,356 | 26,044 |
| 2015 | -- | 36.90% | 92,259 | 34,073 |
| 2017 | -- | 28.25% | 105,868 | 29,908 |
| 2019 | -- | 31.12% | 105,407 | 32,799 |
| 2021 | -- | 37.52% | 112,868 | 42,283 |
| 2023 | -- | 45.31% | 111,904 | 50,699 |