| Official Name: | Bismarck 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: | Sibley |
| Unit Pref: | Imperial |
| Area Total Km2: | 93.5 |
| Area Land Km2: | 93.3 |
| Area Water Km2: | 0.2 |
| Area Total Sq Mi: | 36.1 |
| Area Land Sq Mi: | 36.0 |
| Area Water Sq Mi: | 0.1 |
| Population As Of: | 2000 |
| Population Total: | 376 |
| Population Density Km2: | 4.0 |
| Population Density Sq Mi: | 10.4 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation M: | 324 |
| Elevation Ft: | 1063 |
| Coordinates: | 44.5903°N -94.4431°W |
| Blank Name: | FIPS code |
| Blank Info: | 27-06130[1] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 0663603[2] |
Bismarck Township is a township in Sibley County, Minnesota, United States. The population was 376 at the 2000 census.
Bismarck Township was organized in 1874, and named after Otto von Bismarck.[3]
According to the United States Census Bureau, the township has a total area of 36.1sqmi, of which 36sqmi is land and 0.1sqmi (0.17%) is water.
As of the census of 2000, there were 376 people, 99 households, and 71 families residing in the township. The population density was 10.4sp=usNaNsp=us. There were 106 housing units at an average density of 2.9sp=usNaNsp=us. The racial makeup of the township was 99.73% White, and 0.27% from two or more races.
There were 99 households, out of which 36.4% had children under the age of 18 living with them, 68.7% were married couples living together, 2.0% had a female householder with no husband present, and 27.3% were non-families. 22.2% of all households were made up of individuals, and 10.1% had someone living alone who was 65 years of age or older. The average household size was 2.73 and the average family size was 3.24.
In the township the population was spread out, with 34.8% under the age of 18, 8.2% from 18 to 24, 27.9% from 25 to 44, 16.5% from 45 to 64, and 12.5% who were 65 years of age or older. The median age was 32 years. For every 100 females, there were 113.6 males. For every 100 females age 18 and over, there were 105.9 males.
The median income for a household in the township was $29,375, and the median income for a family was $38,125. Males had a median income of $26,154 versus $21,250 for females. The per capita income for the township was $12,727. About 7.7% of families and 19.2% of the population were below the poverty line, including 12.1% of those under age 18 and 3.8% of those age 65 or over.