| Emmet Township | |
| Settlement Type: | Township |
| Pushpin Map: | USA South Dakota |
| Pushpin Label Position: | left |
| Pushpin Map Caption: | Location within the state of South Dakota |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | South Dakota |
| Subdivision Type2: | County |
| Subdivision Name2: | Union |
| Unit Pref: | Imperial |
| Area Total Km2: | 93.24 |
| Area Land Km2: | 93.24 |
| Area Water Km2: | 0.0 |
| Population As Of: | 2000 |
| Population Total: | 257 |
| Population Density Km2: | auto |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Coordinates: | 42.9831°N -96.725°W |
| Postal Code Type: | ZIP codes |
| Blank Name: | FIPS code |
| Blank Info: | 19500 |
| Blank1 Name: | GNIS feature ID |
Emmet Township is a township in Union County, South Dakota, United States. The population was 257 at the 2000 census.
According to the United States Census Bureau, the township has a total area of 36.0 square miles (93.24 km2), all land.
At the 2000 census,[1] there were 257 people, 97 households and 76 families residing in the township. The population density was /km2 (/sq mi). There were 100 housing units at an average density of /km2 (/sq mi). The racial makeup of the township was 99.2% White and 0.8% Asian. Hispanic or Latino of any race were 0.4% of the population.
There were 97 households, of which 39.2% had children under the age of 18 living with them, 72.2% were married couples living together, 3.1% had a female householder with no husband present, and 21.6% were non-families. 20.6% of all households were made up of individuals, and 7.2% had someone living alone who was 65 years of age or older. The average household size was 2.65 and the average family size was 3.08.
Emmet Township was organized in 1900 from parts of the neighboring Spink and Prairie Townships in Union County.