| Official Name: | Aastad Township, Minnesota |
| Settlement Type: | Township |
| Pushpin Map: | Minnesota#USA |
| Pushpin Label Position: | left |
| Pushpin Map Caption: | Location within the state of Minnesota |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Minnesota |
| Subdivision Type2: | County |
| Subdivision Name2: | Otter Tail |
| Unit Pref: | Imperial |
| Area Total Km2: | 91.9 |
| Area Land Km2: | 89.5 |
| Area Water Km2: | 2.4 |
| Area Total Sq Mi: | 35.5 |
| Area Land Sq Mi: | 34.5 |
| Area Water Sq Mi: | 0.9 |
| Population As Of: | 2000 |
| Population Total: | 187 |
| Population Density Km2: | 2.1 |
| Population Density Sq Mi: | 5.4 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation M: | 339 |
| Elevation Ft: | 1112 |
| Coordinates: | 46.1447°N -96.0914°W |
| Blank Name: | FIPS code |
| Blank Info: | 27-00100[1] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 0663375[2] |
Aastad Township is a township in Otter Tail County, Minnesota, United States. The population was 187 at the 2000 census.
Aastad Township was organized in 1871, and named for Gilbert Aastad, a Norwegian settler.[3]
According to the United States Census Bureau, the township has a total area of 35.5sqmi, of which 34.5sqmi is land and 0.9sqmi (2.68%) is water.
At the 2000 census there were 187 people, 68 households, and 55 families in the township. The population density was 5.4 people per square mile (2.1/km). There were 76 housing units at an average density of 2.2/sq mi (0.8/km). The racial makeup of the township was 98.93% White and 1.07% Asian.Of the 68 households 35.3% had children under the age of 18 living with them, 75.0% were married couples living together, 2.9% had a female householder with no husband present, and 19.1% were non-families. 16.2% of households were one person and 2.9% were one person aged 65 or older. The average household size was 2.75 and the average family size was 3.13.
The age distribution was 26.7% under the age of 18, 7.0% from 18 to 24, 27.8% from 25 to 44, 27.3% from 45 to 64, and 11.2% 65 or older. The median age was 38 years. For every 100 females, there were 130.9 males. For every 100 females age 18 and over, there were 132.2 males.
The median household income was $41,563 and the median family income was $49,375. Males had a median income of $26,705 versus $17,292 for females. The per capita income for the township was $16,496. About 7.8% of families and 8.8% of the population were below the poverty line, including none of those under the age of eighteen and 33.3% of those sixty five or over.