Elections to Penwith District Council were held in 1980 for 11 seats of 33 on the council.
After the election, the composition of the council was: 27 Independents, 3 Conservatives, 2 Liberals, and 1 Labour. Mebyon Kernow stood in two wards, but did not win any seats.
Results summary
| Party | Seats | Gains | Losses | Net gain/loss | Seats % | Votes % | Votes | +/− | |
|---|---|---|---|---|---|---|---|---|---|
| Independent | 8 | 1 | 2 |  1
|
72.7 | 46.70 | 3,407 | ||
| Liberal | 2 | 2 | 0 |  2
|
18.2 | 14.54 | 1,061 | ||
| Conservative | 1 | 0 | 1 | 1
|
9.1 | 21.85 | 1,594 | ||
| Labour | 0 | 0 | 0 | 
|
0.0 | 11.24 | 820 | ||
| Mebyon Kernow | 0 | 0 | 0 |
|
0.0 | 5.66 | 413 | ||
