# Electoral results for the district of Boulder

This is a list of electoral results for the Electoral district of Boulder in Western Australian state elections.

## Members for Boulder

Boulder (1901–1962) :
| Member | Member | Party | Term |
| | John Hopkins | Ministerial | 1901–1905 |
| | Philip Collier | Labor | 1905–1948 |
| | Charlie Oliver | Labor | 1948–1951 |
| | Arthur Moir | Labor | 1951–1962 |
| Boulder-Eyre (1962–1968) ||||
| | Arthur Moir | Labor | 1962–1968 |
| Boulder-Dundas (1968–1977) ||||
| | Arthur Moir | Labor | 1968–1971 |
| | Tom Hartrey | Labor | 1971–1977 |

## Election results
### Elections in the 1970s

1974 Western Australian state election: Boulder-Dundas :
| Party | Party | Candidate | Votes | % |
| | Labor | Tom Hartrey | 3,770 | 61.8 |
| | Liberal | Eric Bingley | 1,751 | 28.7 |
| | National Alliance | John Madden | 584 | 9.6 |
| Total formal votes | Total formal votes | Total formal votes | 6,105 | 92.2 |
| Informal votes | Informal votes | Informal votes | 519 | 7.8 |
| Turnout | Turnout | Turnout | 6,624 | 86.4 |
| Two-party-preferred result ||||||
| | Labor | Tom Hartrey | 3,858 | 63.2 |
| | Liberal | Eric Bingley | 2,247 | 36.8 |
| | Labor hold | Labor hold | Swing | |
1971 Western Australian state election: Boulder-Dundas :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Tom Hartrey | 4,202 | 75.8 | -24.2 |
| | Independent | Kevin Merriman | 749 | 13.5 | +13.5 |
| | Democratic Labor | John Madden | 595 | 10.7 | +10.7 |
| Total formal votes | Total formal votes | Total formal votes | 5,546 | 96.3 | |
| Informal votes | Informal votes | Informal votes | 214 | 3.7 | |
| Turnout | Turnout | Turnout | 5,760 | 87.7 | |
| Two-candidate-preferred result ||||||
| | Labor | Tom Hartrey | 4,351 | 78.5 | -21.5 |
| | Independent | Kevin Merriman | 1,195 | 21.5 | +21.5 |
| | Labor hold | Labor hold | Swing | N/A | |

### Elections in the 1960s

1968 Western Australian state election: Boulder-Dundas :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Arthur Moir | unopposed | | |
| | Labor hold | Labor hold | Swing | | |
1965 Western Australian state election: Boulder-Eyre :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Arthur Moir | unopposed | | |
| | Labor hold | Labor hold | Swing | | |
1962 Western Australian state election: Boulder-Eyre :
| Party | Party | Candidate | Votes | % |
| | Labor | Arthur Moir | 3,170 | 62.1 |
| | Liberal and Country | Philip Charsley | 1,161 | 22.7 |
| | Independent | Orlando Stuart | 389 | 7.6 |
| | Country | William Kirwan | 385 | 7.5 |
| Total formal votes | Total formal votes | Total formal votes | 5,105 | 98.4 |
| Informal votes | Informal votes | Informal votes | 81 | 1.6 |
| Turnout | Turnout | Turnout | 5,186 | 92.0 |
| Two-party-preferred result ||||||
| | Labor | Arthur Moir | | 66.7 |
| | Liberal and Country | Philip Charsley | | 33.3 |
| | Labor hold | Labor hold | Swing | |
* Two party preferred vote is estimated.

### Elections in the 1950s

1959 Western Australian state election: Boulder :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Arthur Moir | unopposed | | |
| | Labor hold | Labor hold | Swing | | |
1956 Western Australian state election: Boulder :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Arthur Moir | unopposed | | |
| | Labor hold | Labor hold | Swing | | |
1953 Western Australian state election: Boulder :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Arthur Moir | unopposed | | |
| | Labor hold | Labor hold | Swing | | |
1951 Boulder state by-election :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Arthur Moir | unopposed | | |
| | Labor hold | Labor hold | Swing | | |
1950 Western Australian state election: Boulder :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Charlie Oliver | unopposed | | |
| | Labor hold | Labor hold | Swing | | |

### Elections in the 1940s

1948 Boulder state by-election :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Charlie Oliver | 2,399 | 78.9 | –21.1 |
| | Liberal | Billy Snedden | 553 | 18.2 | +18.2 |
| | Justice and Liberty Liberal | James Collins | 87 | 2.9 | +2.9 |
| Total formal votes | Total formal votes | Total formal votes | 3,039 | 98.3 | n/a |
| Informal votes | Informal votes | Informal votes | 53 | 1.7 | n/a |
| Turnout | Turnout | Turnout | 3,092 | 87.4 | n/a |
| | Labor hold | Labor hold | Swing | n/a | |
* A two-party-preferred calculation was not made.
1947 Western Australian state election: Boulder :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Philip Collier | unopposed | | |
| | Labor hold | Labor hold | Swing | | |
1943 Western Australian state election: Boulder :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Philip Collier | unopposed | | |
| | Labor hold | Labor hold | Swing | | |

### Elections in the 1930s

1939 Western Australian state election: Boulder :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Philip Collier | 2,039 | 61.6 | -38.4 |
| | Independent | Walter Coath | 961 | 29.1 | +29.1 |
| | Communist | Wilfred Mountjoy | 308 | 9.3 | +9.3 |
| Total formal votes | Total formal votes | Total formal votes | 3,308 | 98.2 | |
| Informal votes | Informal votes | Informal votes | 62 | 1.8 | |
| Turnout | Turnout | Turnout | 3,370 | 95.1 | |
| | Labor hold | Labor hold | Swing | N/A | |
* Preferences were not distributed.
1936 Western Australian state election: Boulder :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Philip Collier | unopposed | | |
| | Labor hold | Labor hold | Swing | | |
1933 Western Australian state election: Boulder :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Philip Collier | 2,337 | 89.5 | -10.5 |
| | Communist | Wilfred Mountjoy | 274 | 10.5 | +10.5 |
| Total formal votes | Total formal votes | Total formal votes | 2,611 | 96.7 | |
| Informal votes | Informal votes | Informal votes | 89 | 3.3 | |
| Turnout | Turnout | Turnout | 2,700 | 92.1 | |
| | Labor hold | Labor hold | Swing | N/A | |
1930 Western Australian state election: Boulder :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Philip Collier | unopposed | | |
| | Labor hold | Labor hold | Swing | | |

### Elections in the 1920s

1927 Western Australian state election: Boulder :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Philip Collier | unopposed | | |
| | Labor hold | Labor hold | Swing | | |
1924 Western Australian state election: Boulder :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Philip Collier | unopposed | | |
| | Labor hold | Labor hold | Swing | | |
1921 Western Australian state election: Boulder :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Philip Collier | 1,833 | 54.5 | -3.9 |
| | National Labor | James Rogers | 1,533 | 45.5 | +3.9 |
| Total formal votes | Total formal votes | Total formal votes | 3,366 | 99.5 | −0.1 |
| Informal votes | Informal votes | Informal votes | 16 | 0.5 | +0.1 |
| Turnout | Turnout | Turnout | 3,382 | 84.4 | +12.4 |
| | Labor hold | Labor hold | Swing | -3.9 | |

### Elections in the 1910s

1917 Western Australian state election: Boulder :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Philip Collier | 2,013 | 58.4 | –41.6 |
| | National Labor | James Reed | 1,435 | 41.6 | +41.6 |
| Total formal votes | Total formal votes | Total formal votes | 3,448 | 99.7 | n/a |
| Informal votes | Informal votes | Informal votes | 12 | 0.3 | n/a |
| Turnout | Turnout | Turnout | 3,460 | 72.0 | n/a |
| | Labor hold | Labor hold | Swing | –41.6 | |
* Collier won Boulder unopposed at the 1914 election.
1914 Western Australian state election: Boulder :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Philip Collier | unopposed | | |
| | Labor hold | Labor hold | Swing | | |
1911 Western Australian state election: Boulder :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Philip Collier | unopposed | | |
| | Labor hold | Labor hold | Swing | | |

### Elections in the 1900s

1908 Western Australian state election: Boulder :
| Party | Party | Candidate | Votes | % | ±% |
| | Labour | Philip Collier | 1,798 | 73.1 | +26.3 |
| | Ministerialist | James Johnston | 661 | 26.9 | -18.8 |
| Total formal votes | Total formal votes | Total formal votes | 2,459 | 97.2 | −2.4 |
| Informal votes | Informal votes | Informal votes | 71 | 2.8 | +2.4 |
| Turnout | Turnout | Turnout | 2,530 | 75.8 | +6.7 |
| | Labour hold | Labour hold | Swing | N/A | |
1905 Western Australian state election: Boulder :
| Party | Party | Candidate | Votes | % | ±% |
| | Labour | Philip Collier | 872 | 46.8 | +8.3 |
| | Ministerialist | John Hopkins | 853 | 45.7 | –15.8 |
| | Independent | William Rabbish | 140 | 7.5 | +7.5 |
| Total formal votes | Total formal votes | Total formal votes | 1,865 | 99.6 | –0.1 |
| Informal votes | Informal votes | Informal votes | 8 | 0.4 | +0.1 |
| Turnout | Turnout | Turnout | 1,880 | 69.1 | +9.0 |
| | Labour gain from Ministerialist | Labour gain from Ministerialist | Swing | +8.3 | |
1904 Western Australian state election: Boulder :
| Party | Party | Candidate | Votes | % | ±% |
| | Ministerialist | John Hopkins | 1,327 | 61.5 | +5.3 |
| | Labour | Michael McCarthy | 830 | 38.5 | +1.5 |
| Total formal votes | Total formal votes | Total formal votes | 2,157 | 99.7 | +0.7 |
| Informal votes | Informal votes | Informal votes | 6 | 0.3 | –0.7 |
| Turnout | Turnout | Turnout | 2,157 | 60.1 | +4.2 |
| | Ministerialist hold | Ministerialist hold | Swing | +5.3 | |
1901 Western Australian state election: Boulder :
| Party | Party | Candidate | Votes | % | ±% |
| | Opposition | John Hopkins | 628 | 56.2 | +56.2 |
| | Labour | George Wiles | 414 | 37.0 | +37.0 |
| | Opposition | John Keegan | 76 | 6.8 | +6.8 |
| Total formal votes | Total formal votes | Total formal votes | 1,118 | 99.0 | n/a |
| Informal votes | Informal votes | Informal votes | 11 | 1.0 | n/a |
| Turnout | Turnout | Turnout | 1,129 | 55.9 | n/a |
| | Opposition win | Opposition win | (new seat) | (new seat) | (new seat) |