| Official Name: | Cascade Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Iowa |
| Subdivision Type2: | County |
| Subdivision Name2: | Dubuque |
| Area Total Km2: | 92.68 |
| Area Land Km2: | 92.68 |
| Area Water Km2: | 0 |
| Area Total Sq Mi: | 35.78 |
| Area Land Sq Mi: | 35.78 |
| Area Water Sq Mi: | 0 |
| Area Water Percent: | 0 |
| Population As Of: | 2000 |
| Population Total: | 1079 |
| Population Density Km2: | 11.6 |
| Population Density Sq Mi: | 30.2 |
| Elevation M: | 282 |
| Elevation Ft: | 925 |
| Coordinates: | 42.3422°N -91.0669°W |
| Timezone: | CST |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Postal Code Type: | ZIP codes |
| Postal Code: | 52033, 52046, 52078, 52237 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 0467536 |
Cascade Township is one of seventeen townships in Dubuque County, Iowa, United States. As of the 2000 census, its population was 1,079.[1]
The name of Cascade Township is derived from the cascade, or water power, with which early settlers powered their mills.[2]
According to the United States Census Bureau, Cascade Township covers an area of 35.78 square miles (92.68 square kilometers).
The township contains these five cemeteries: Cascade Protestant, Johns Creek, Saint Martins Catholic, Saint Marys Catholic and Zion Reform.