This is a list of electoral results for the Electoral district of Morialta in South Australian state elections.
| Member | Party | Term | |
|---|---|---|---|
| Joan Hall | Liberal Party | 2002–2006 | |
| Lindsay Simmons | Labor Party | 2006–2010 | |
| John Gardner | Liberal Party | 2010–present | |
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Liberal | John Gardner | 10,935 | 46.2 | +1.9 | |
| Labor | Matthew Marozzi | 8,545 | 36.1 | +11.7 | |
| Greens | Alex Dinovitser | 2,441 | 10.3 | +4.8 | |
| Family First | Nick Zollo | 1,763 | 7.4 | +7.4 | |
| Total formal votes | 23,684 | 96.9 | |||
| Informal votes | 756 | 3.1 | |||
| Turnout | 24,440 | 91.6 | |||
| Two-party-preferred result | |||||
| Liberal | John Gardner | 12,165 | 51.4 | −8.0 | |
| Labor | Matthew Marozzi | 11,519 | 48.6 | +8.0 | |
| Liberal hold | Swing | −8.0 | |||
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Liberal | John Gardner | 10,332 | 44.3 | −11.2 | |
| Labor | Peter Field | 5,146 | 22.1 | −5.6 | |
| SA-Best | James Sadler | 4,645 | 19.9 | +19.9 | |
| Greens | Simon Roberts-Thomson | 1,525 | 6.5 | −4.3 | |
| Conservatives | Matt Smith | 854 | 3.7 | −2.3 | |
| Dignity | Tim Farrow | 560 | 2.4 | +2.4 | |
| Independent | Peter Smythe | 240 | 1.0 | +1.0 | |
| Total formal votes | 23,302 | 95.9 | −1.3 | ||
| Informal votes | 1,007 | 4.1 | +1.3 | ||
| Turnout | 24,309 | 93.5 | −0.2 | ||
| Two-party-preferred result | |||||
| Liberal | John Gardner | 14,151 | 60.7 | −1.5 | |
| Labor | Peter Field | 9,151 | 39.3 | +1.5 | |
| Liberal hold | Swing | −1.5 | |||
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Liberal | John Gardner | 12,419 | 54.1 | +8.5 | |
| Labor | Clare Scriven | 7,162 | 31.2 | −8.1 | |
| Greens | Scott Andrews | 2,033 | 8.9 | +0.9 | |
| Family First | Sue Neal | 1,357 | 5.9 | +1.5 | |
| Total formal votes | 22,971 | 96.9 | −0.2 | ||
| Informal votes | 740 | 3.1 | +0.2 | ||
| Turnout | 23,711 | 93.4 | −0.7 | ||
| Two-party-preferred result | |||||
| Liberal | John Gardner | 13,793 | 60.0 | +7.3 | |
| Labor | Clare Scriven | 9,178 | 40.0 | −7.3 | |
| Liberal hold | Swing | +7.3 | |||
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Liberal | John Gardner | 9,882 | 47.2 | +10.9 | |
| Labor | Lindsay Simmons | 8,011 | 38.3 | −8.0 | |
| Greens | Scott Andrews | 1,716 | 8.2 | +1.4 | |
| Family First | Elizabeth Smit | 824 | 3.9 | −1.8 | |
| Save the RAH | Peter Maddern | 500 | 2.4 | +2.4 | |
| Total formal votes | 20,933 | 96.9 | |||
| Informal votes | 625 | 3.1 | |||
| Turnout | 21,558 | 94.1 | |||
| Two-party-preferred result | |||||
| Liberal | John Gardner | 11,333 | 54.1 | +11.1 | |
| Labor | Lindsay Simmons | 9,600 | 45.9 | −11.1 | |
| Liberal gain from Labor | Swing | +11.1 | |||
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Labor | Lindsay Simmons | 9,762 | 47.7 | +12.9 | |
| Liberal | Joan Hall | 7,211 | 35.2 | −8.6 | |
| Greens | Peter Fiebig | 1,296 | 6.3 | +6.3 | |
| Family First | Jack Button | 1,174 | 5.7 | +0.4 | |
| Democrats | Tim Farrow | 606 | 3.0 | −7.4 | |
| Dignity for Disabled | Darren Andrews | 418 | 2.0 | +2.0 | |
| Total formal votes | 20,467 | 96.4 | +0.9 | ||
| Informal votes | 774 | 3.6 | −0.9 | ||
| Turnout | 21,241 | 93.3 | −0.8 | ||
| Two-party-preferred result | |||||
| Labor | Lindsay Simmons | 11,859 | 57.9 | +12.0 | |
| Liberal | Joan Hall | 8,608 | 42.1 | −12.0 | |
| Labor gain from Liberal | Swing | +12.0 | |||
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Liberal | Joan Hall | 8,733 | 43.8 | −0.5 | |
| Labor | Cenz Lancione | 6,931 | 34.8 | +3.6 | |
| Democrats | Tim Farrow | 2,083 | 10.4 | −6.9 | |
| Family First | Jack Button | 1,054 | 5.3 | +5.3 | |
| SA First | Aphiah Salerno | 579 | 2.9 | +2.9 | |
| One Nation | Rosemary Hemsley | 283 | 1.4 | +1.4 | |
| Independent | Bruce Preece | 272 | 1.4 | +1.4 | |
| Total formal votes | 19,935 | 95.5 | |||
| Informal votes | 930 | 4.5 | |||
| Turnout | 20,865 | 94.1 | |||
| Two-party-preferred result | |||||
| Liberal | Joan Hall | 10,791 | 54.1 | −2.4 | |
| Labor | Cenz Lancione | 9,144 | 45.9 | +2.4 | |
| Liberal hold | Swing | −2.4 | |||