# Electoral results for the district of Custance

This is a list of election results for the electoral district of Custance in South Australian elections.

## Members for Custance

| Member | Member | Party | Term |
| | John Olsen | Liberal | 1985–1990 |
| | Ivan Venning | Liberal | 1990–1997 |

## Election results
### Elections in the 1990s

1993 South Australian state election: Custance :
| Party | Party | Candidate | Votes | % | ±% |
| | Liberal | Ivan Venning | 13,550 | 69.8 | +9.5 |
| | Labor | Ben Browne | 3,716 | 19.1 | -5.8 |
| | Democrats | Harm Folkers | 1,517 | 7.8 | +0.6 |
| | Grey Power | Eugene Rooney | 643 | 3.3 | +3.3 |
| Total formal votes | Total formal votes | Total formal votes | 19,426 | 97.4 | −0.2 |
| Informal votes | Informal votes | Informal votes | 509 | 2.6 | +0.2 |
| Turnout | Turnout | Turnout | 19,935 | 93.8 | |
| Two-party-preferred result ||||||
| | Liberal | Ivan Venning | 14,477 | 74.5 | +4.7 |
| | Labor | Ben Browne | 4,949 | 25.5 | -4.7 |
| | Liberal hold | Liberal hold | Swing | +4.7 | |
Custance state by-election, 23 June 1990 :
| Party | Party | Candidate | Votes | % | ±% |
| | Liberal | Ivan Venning | 7,595 | 46.8 | -14.8 |
| | Labor | Charles Greeneklee | 3,801 | 23.4 | -2.0 |
| | National | Grantley Siviour | 2,964 | 18.3 | +14.6 |
| | Democrats | David Clarke | 1,174 | 7.2 | +1.4 |
| | Call to Australia | Bruce Slee | 698 | 4.3 | +0.8 |
| Total formal votes | Total formal votes | Total formal votes | 16,232 | 97.6 | +0.2 |
| Informal votes | Informal votes | Informal votes | 400 | 2.4 | −0.2 |
| Turnout | Turnout | Turnout | 16,632 | 88.1 | −6.9 |
| Two-party-preferred result ||||||
| | Liberal | Ivan Venning | 11,064 | 68.2 | -2.0 |
| | Labor | Charles Greeneklee | 5,168 | 31.8 | +2.0 |
| | Liberal hold | Liberal hold | Swing | -2.0 | |

### Elections in the 1980s

1989 South Australian state election: Custance :
| Party | Party | Candidate | Votes | % | ±% |
| | Liberal | John Olsen | 10,525 | 61.6 | -1.4 |
| | Labor | Charles Greeneklee | 4,337 | 25.4 | -5.6 |
| | Democrats | Harm Folkers | 998 | 5.8 | -0.2 |
| | National | Grantley Siviour | 637 | 3.7 | +3.7 |
| | Call to Australia | Bruce Slee | 594 | 3.5 | +3.5 |
| Total formal votes | Total formal votes | Total formal votes | 17,091 | 97.4 | −0.2 |
| Informal votes | Informal votes | Informal votes | 454 | 2.6 | +0.2 |
| Turnout | Turnout | Turnout | 17,545 | 95.0 | −0.2 |
| Two-party-preferred result ||||||
| | Liberal | John Olsen | 11,983 | 70.1 | +3.8 |
| | Labor | Charles Greeneklee | 5,108 | 29.9 | -3.8 |
| | Liberal hold | Liberal hold | Swing | +3.8 | |
1985 South Australian state election: Custance :
| Party | Party | Candidate | Votes | % | ±% |
| | Liberal | John Olsen | 10,611 | 63.0 | -1.0 |
| | Labor | Arthur Rich | 5,236 | 31.0 | +3.0 |
| | Democrats | John Smyth | 1,010 | 6.0 | +1.0 |
| Total formal votes | Total formal votes | Total formal votes | 16,857 | 97.6 | |
| Informal votes | Informal votes | Informal votes | 412 | 2.4 | |
| Turnout | Turnout | Turnout | 17,269 | 95.2 | |
| Two-party-preferred result ||||||
| | Liberal | John Olsen | 11,184 | 66.3 | -3.7 |
| | Labor | Arthur Rich | 5,673 | 33.7 | +3.7 |
| | Liberal hold | Liberal hold | Swing | -3.7 | |