| Territorial delegate (1899–1959) |  | ||||
|---|---|---|---|---|---|
| One at-large seat (1959–1963) | |||||
| Two at-large seats (1963–1971) |
| ||||
| Districts (1971–present) |
| ||||
| Territorial delegate (1899–1959) | | ||||
|---|---|---|---|---|---|
| One at-large seat (1959–1963) | |||||
| Two at-large seats (1963–1971) |
| ||||
| Districts (1971–present) |
| ||||