Spring Valley Township, Dallas County, Iowa
| Spring Valley Township | |
|---|---|
| Location in Dallas County | |
| Coordinates: 41°49′29″N 094°06′23″W / 41.82472°N 94.10639°W | |
| Country | United States | 
| State | Iowa | 
| County | Dallas | 
| Area | |
|  • Total | 35.79 sq mi (92.7 km2) | 
| • Land | 35.41 sq mi (91.72 km2) | 
| • Water | 0.38 sq mi (0.99 km2) 1.07% | 
| Elevation | 932 ft (284 m) | 
| Population  (2000) | |
|  • Total | 8,204 | 
| • Density | 231.7/sq mi (89.4/km2) | 
| GNIS feature ID | 0468745 | 
Spring Valley Township is a township in Dallas County, Iowa, USA. As of the 2000 census, its population was 8,204.