Series history · 1965–1989
Rock Valley vs Sioux Center
1A Last season in archive: 1989
Rock Valley3A 2026 season
Sioux CenterNo projected line: at least one of these programs is not in the 2026 season file.
Series history
14–11
Sioux Center leads
25
Meetings · 1965–1989
5–5
Last 10 · even
1
Sioux Center streak
Biggest wins
Rock Valley
51-8 · 1979+43
42-10 · 1980+32
35-14 · 1988+21
Sioux Center
48-0 · 1972+48
36-8 · 1989+28
14-0 · 1971+14
Runs & venue
Longest streak: Sioux Center 5 straight, 1970–1974
Home team: 15-10
Playoff meetings: 0
Average margin: 14.2 · decided by 7 or less: 9
By decade · avg margin, Sioux Center view
| 1980s | 5-5 | -3.5 |
| 1970s | 6-4 | +2.0 |
| 1960s | 3-2 | +1.8 |
| Season | Result | Model line |
|---|---|---|
| 1989 Oct 20 | Sioux Center 36-8 at Rock Valley | — — |
| 1988 Oct 21 | Rock Valley 35-14 at Sioux Center | Rock Valley -17.5 covered |
| 1987 Oct 23 | Rock Valley 21-6 at Rock Valley | — — |
| 1986 Oct 24 | Sioux Center 7-6 at Sioux Center | — — |
| 1985 Oct 25 | Rock Valley 28-21 at Rock Valley | — — |
| 1984 Sep 14 | Sioux Center 14-13 at Sioux Center | — — |
| 1983 Sep 9 | Rock Valley 8-2 at Rock Valley | — — |
| 1982 Sep 17 | Sioux Center 12-8 at Sioux Center | Sioux Center -12.0 no cover |
| 1981 Sep 18 | Sioux Center 26-14 at Rock Valley | Rock Valley -18.5 no cover |
| 1980 Sep 26 | Rock Valley 42-10 at Sioux Center | Rock Valley -19.5 covered |
| 1979 Sep 28 | Rock Valley 51-8 at Rock Valley | — — |
| 1978 Oct 6 | Rock Valley 27-6 at Sioux Center | — — |
| 1977 Oct 7 | Rock Valley 30-14 at Rock Valley | — — |
| 1976 Oct 15 | Sioux Center 27-18 at Sioux Center | Sioux Center -2.5 covered |
| 1975 Oct 10 | Rock Valley 16-14 at Rock Valley | — — |
| 1974 Oct 25 | Sioux Center 8-0 at Sioux Center | — — |
| 1973 Sep 28 | Sioux Center 10-0 at Rock Valley | — — |
| 1972 Oct 6 | Sioux Center 48-0 at Sioux Center | — — |
| 1971 Oct 8 | Sioux Center 14-0 at Rock Valley | — — |
| 1970 Oct 16 | Sioux Center 13-0 at Sioux Center | — — |
| 1969 Oct 10 | Rock Valley 20-15 at Rock Valley | — — |
| 1968 Sep 27 | Sioux Center 12-0 at Rock Valley | — — |
| 1967 Sep 29 | Sioux Center 13-6 at Sioux Center | — — |
| 1966 Sep 23 | Sioux Center 7-0 at Rock Valley | — — |
| 1965 Sep 24 | Rock Valley 19-7 at Sioux Center | — — |
Every recorded meeting in Brent Moore's all-time archive. Model lines appear for seasons whose archive pages have been built (2021 on, plus any older season you have opened).