1970 Chisholm by-election
A by-election was held for the Australian House of Representatives seat of Chisholm on 19 September 1970. This was triggered by the death of Liberal Party MP Wilfrid Kent Hughes.
The by-election was won by Liberal candidate Tony Staley.
Results
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Liberal | Tony Staley | 24,767 | 54.1 | +1.2 | |
| Labor | Frank Costigan | 15,335 | 33.5 | -0.6 | |
| Defence of Government Schools | Ray Nilsen | 4,138 | 9.0 | +9.0 | |
| Australia | Andrew Morrow | 1,501 | 3.3 | -0.6 | |
| Total formal votes | 45,741 | 98.4 | |||
| Informal votes | 756 | 1.6 | |||
| Turnout | 46,497 | 82.0 | |||
| Two-party-preferred result | |||||
| Liberal | Tony Staley | 59.0 | -3.6 | ||
| Labor | Frank Costigan | 41.0 | +3.6 | ||
| Liberal hold | Swing | -3.6 | |||