| Year | League | Division | Wins | Losses | Ties | PCT. | Finish | AVG. | ERA | Manager | Ballpark |
| 1969 | NL | West | 52 | 110 | 0 | .321 | 6 | .225 | 4.24 | Preston Gomez | Jack Murphy Stadium |
| 1970 | NL | West | 63 | 99 | 0 | .389 | 6 | .246 | 4.36 | Preston Gomez | Jack Murphy Stadium |
| 1971 | NL | West | 61 | 100 | 0 | .379 | 6 | .233 | 3.22 | Preston Gomez | Jack Murphy Stadium |
| 1972 | NL | West | 58 | 95 | 0 | .379 | 6 | .227 | 3.78 | Preston Gomez Don Zimmer |
Jack Murphy Stadium |
| 1973 | NL | West | 60 | 102 | 0 | .370 | 6 | .244 | 4.16 | Don Zimmer | Jack Murphy Stadium |
| 1974 | NL | West | 60 | 102 | 0 | .370 | 6 | .229 | 4.58 | John McNamara | Jack Murphy Stadium |
| 1975 | NL | West | 71 | 91 | 0 | .438 | 4 | .244 | 3.48 | John McNamara | Jack Murphy Stadium |
| 1976 | NL | West | 73 | 89 | 0 | .451 | 5 | .247 | 3.65 | John McNamara | Jack Murphy Stadium |
| 1977 | NL | West | 69 | 93 | 0 | .426 | 5 | .249 | 4.43 | John McNamara Bob Skinner Alvin Dark |
Jack Murphy Stadium |
| 1978 | NL | West | 84 | 78 | 0 | .519 | 4 | .252 | 3.28 | Roger Craig | Jack Murphy Stadium |
| 1979 | NL | West | 68 | 93 | 0 | .422 | 5 | .242 | 3.69 | Roger Craig | Jack Murphy Stadium |
| 1980 | NL | West | 73 | 89 | 1 | .451 | 6 | .255 | 3.65 | Jerry Coleman | Jack Murphy Stadium |
| 1981 | NL | West | 41 | 69 | 0 | .373 | 6 | .256 | 3.72 | Frank Howard | Jack Murphy Stadium |
| 1982 | NL | West | 81 | 81 | 0 | .500 | 4 | .257 | 3.52 | Dick Williams | Jack Murphy Stadium |
| 1983 | NL | West | 81 | 81 | 1 | .500 | 4 | .250 | 3.62 | Dick Williams | Jack Murphy Stadium |
| 1984 | NL | West | 92 | 70 | 0 | .568 | 1 | .259 | 3.48 | Dick Williams | Jack Murphy Stadium |
| 1985 | NL | West | 83 | 79 | 0 | .512 | 3 | .255 | 3.40 | Dick Williams | Jack Murphy Stadium |
| 1986 | NL | West | 74 | 88 | 0 | .457 | 4 | .261 | 3.99 | Steve Boros | Jack Murphy Stadium |
| 1987 | NL | West | 65 | 97 | 0 | .401 | 6 | .260 | 4.27 | Larry Bowa | Jack Murphy Stadium |
| 1988 | NL | West | 83 | 78 | 0 | .516 | 3 | .247 | 3.28 | Larry Bowa Jack McKeon |
Jack Murphy Stadium |
| 1989 | NL | West | 89 | 73 | 0 | .549 | 2 | .251 | 3.38 | Jack McKeon | Jack Murphy Stadium |
| 1990 | NL | West | 75 | 87 | 0 | .463 | 4 | .257 | 3.68 | Jack McKeon Greg Riddoch |
Jack Murphy Stadium |
| 1991 | NL | West | 84 | 78 | 0 | .519 | 3 | .244 | 3.57 | Greg Riddoch | Jack Murphy Stadium |
| 1992 | NL | West | 82 | 80 | 0 | .506 | 3 | .255 | 3.56 | Greg Riddoch Jim Riggleman |
Jack Murphy Stadium |
| 1993 | NL | West | 61 | 101 | 0 | .377 | 7 | .252 | 4.23 | Jim Riggleman | Jack Murphy Stadium |
| 1994 | NL | West | 47 | 70 | 0 | .402 | 4 | .275 | 4.08 | Jim Riggleman | Jack Murphy Stadium |
| 1995 | NL | West | 70 | 74 | 0 | .486 | 3 | .272 | 4.13 | Bruce Bochy | Jack Murphy Stadium |
| 1996 | NL | West | 91 | 71 | 0 | .562 | 1 | .265 | 3.73 | Bruce Bochy | Jack Murphy Stadium |
| 1997 | NL | West | 76 | 86 | 0 | .469 | 4 | .271 | 4.99 | Bruce Bochy | Qualcomm Stadium |
| 1998 | NL | West | 98 | 64 | 0 | .605 | 1 | .253 | 3.63 | Bruce Bochy | Qualcomm Stadium |
| 1999 | NL | West | 74 | 88 | 0 | .457 | 4 | .252 | 4.47 | Bruce Bochy | Qualcomm Stadium |
| 2000 | NL | West | 76 | 86 | 0 | .469 | 5 | .254 | 4.52 | Bruce Bochy | Qualcomm Stadium |
| 2001 | NL | West | 79 | 83 | 0 | .488 | 4 | .252 | 4.52 | Bruce Bochy | Qualcomm Stadium |
| 2002 | NL | West | 66 | 96 | 0 | .407 | 5 | .253 | 4.62 | Bruce Bochy | Qualcomm Stadium |
| 2003 | NL | West | 64 | 98 | 0 | .395 | 5 | .261 | 4.87 | Bruce Bochy | Qualcomm Stadium |
| 2004 | NL | West | 87 | 75 | 0 | .537 | 3 | .273 | 4.03 | Bruce Bochy | Petco Park |
| 2005 | NL | West | 82 | 80 | 0 | .506 | 1 | .257 | 4.13 | Bruce Bochy | PETCO Park |
| 2006 | NL | West | 88 | 74 | 0 | .543 | 1 | .263 | 3.87 | Bruce Bochy | PETCO Park |
| 2007 | NL | West | 89 | 74 | 0 | .546 | 3 | .251 | 3.70 | Bud Black | Petco Park |
| 2008 | NL | West | 63 | 99 | 0 | .389 | 5 | .250 | 4.41 | Bud Black | PETCO Park |
| 40 Seasons | 2933 | 3421 | 2 | .462 | |||||||