# Electoral results for the district of Summer Hill

Summer Hill, an electoral district of the Legislative Assembly in the Australian state of New South Wales, was first established in 2015, partly replacing Marrickville.

## Members for Summer Hill

| Election | Member | Member | Party |
| 2015 | | Jo Haylen | Labor |
| 2019 | | Jo Haylen | Labor |

## Election results
### Elections in the 2020s
#### 2023

2023 New South Wales state election: Summer Hill :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Jo Haylen | 25,922 | 52.1 | +5.7 |
| | Greens | Izabella Antoniou | 12,596 | 25.3 | +4.9 |
| | Liberal | Bowen Cheng | 8,340 | 16.8 | −7.2 |
| | Animal Justice | Sandra Haddad | 1,567 | 3.1 | +0.8 |
| | Sustainable Australia | Michael Swan | 1,333 | 2.7 | +1.3 |
| Total formal votes | Total formal votes | Total formal votes | 49,758 | 97.5 | +0.5 |
| Informal votes | Informal votes | Informal votes | 1,277 | 2.5 | −0.5 |
| Turnout | Turnout | Turnout | 51,035 | 88.5 | +0.7 |
| Notional two-party-preferred count ||||||
| | Labor | Jo Haylen | 37,057 | 79.8 | +8.2 |
| | Liberal | Bowen Cheng | 9,373 | 20.2 | −8.2 |
| Two-candidate-preferred result ||||||
| | Labor | Jo Haylen | 28,598 | 66.3 | −0.2 |
| | Greens | Izabella Antoniou | 14,536 | 33.7 | +0.2 |
| | Labor hold | Labor hold | Swing | −0.2 | |

### Elections in the 2010s
#### 2019

2019 New South Wales state election: Summer Hill :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Jo Haylen | 22,639 | 46.41 | +3.14 |
| | Liberal | Leo Wei | 11,380 | 23.33 | −0.50 |
| | Greens | Tom Raue | 10,055 | 20.61 | −6.70 |
| | Keep Sydney Open | Andrea Makris | 2,791 | 5.72 | +5.72 |
| | Animal Justice | Teresa Romanovsky | 1,227 | 2.52 | +2.52 |
| | Sustainable Australia | Dale Sinden | 693 | 1.42 | +1.42 |
| Total formal votes | Total formal votes | Total formal votes | 48,785 | 97.11 | +0.45 |
| Informal votes | Informal votes | Informal votes | 1,451 | 2.89 | −0.45 |
| Turnout | Turnout | Turnout | 50,236 | 88.84 | −1.06 |
| Two-party-preferred result ||||||
| | Labor | Jo Haylen | 32,023 | 72.30 | +2.16 |
| | Liberal | Leo Wei | 12,271 | 27.70 | −2.16 |
| | Labor hold | Labor hold | Swing | +2.16 | |

#### 2015

2015 New South Wales state election: Summer Hill :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Jo Haylen | 20,370 | 43.3 | +1.5 |
| | Greens | Max Phillips | 12,856 | 27.3 | +3.0 |
| | Liberal | Julie Passas | 11,216 | 23.8 | −4.4 |
| | No Land Tax | Don Tauriello | 855 | 1.8 | +1.8 |
| | Christian Democrats | Kylie French | 799 | 1.7 | −0.3 |
| | Socialist Alliance | Susan Price | 694 | 1.5 | +1.5 |
| | | James Cogan | 287 | 0.6 | +0.6 |
| Total formal votes | Total formal votes | Total formal votes | 47,077 | 96.7 | +0.5 |
| Informal votes | Informal votes | Informal votes | 1,625 | 3.3 | −0.5 |
| Turnout | Turnout | Turnout | 48,702 | 89.9 | −1.4 |
| Notional two-party-preferred count ||||||
| | Labor | Jo Haylen | 28,608 | 70.1 | +7.5 |
| | Liberal | Julie Passas | 12,183 | 29.9 | −7.5 |
| Two-candidate-preferred result ||||||
| | Labor | Jo Haylen | 22,148 | 60.5 | −2.1 |
| | Greens | Max Phillips | 14,440 | 39.5 | +2.1 |
| | Labor notional hold | Labor notional hold | Swing | −2.1 | |