This is a list of election results for the electoral district of Port Pirie in South Australian elections.
| Two members (1915–1938) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Member | Party | Term | Member | Party | Term | ||||
| Labor | 1915–1917 | Labor | 1915–1917 | ||||||
| National | 1917–1918 | National | 1917–1918 | ||||||
| Labor | 1918–1931 | Labor | 1918–1936 | ||||||
| Parliamentary Labor | 1931–1933 | ||||||||
| Andrew Lacey | Labor | 1933–1938 | |||||||
| Labor | 1937–1938 | ||||||||
| Single-member (1938–1970) | |||||
|---|---|---|---|---|---|
| Member | Party | Term | |||
| Andrew Lacey | Labor | 1938–1946 | |||
| Labor | 1946–1959 | ||||
| Labor | 1959–1970 | ||||