| Official Name: | Otter Tail Peninsula 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: | Cass |
| Unit Pref: | Imperial |
| Area Total Km2: | 194.5 |
| Area Land Km2: | 166.5 |
| Area Water Km2: | 28.0 |
| Area Total Sq Mi: | 75.1 |
| Area Land Sq Mi: | 64.3 |
| Area Water Sq Mi: | 10.8 |
| Population As Of: | 2000 |
| Population Total: | 43 |
| Population Density Km2: | 0.3 |
| Population Density Sq Mi: | 0.7 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation M: | 409 |
| Elevation Ft: | 1342 |
| Coordinates: | 47.2858°N -94.4061°W |
| Blank Name: | FIPS code |
| Blank Info: | 27-49250[1] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 0665241[2] |
Otter Tail Peninsula Township is a township in Cass County, Minnesota, United States. The population was 43 as of the 2000 census.[3]
Otter Tail Peninsula Township was established in 1987.[4]
According to the United States Census Bureau, the township has a total area of 75.1 square miles (194.5km), of which 64.3 square miles (166.5km) is land and 10.8 square miles (28.0km) (14.38%) is water.
The township contains Rabbits Cemetery.
As of the census of 2000, there were 43 people, 22 households, and 15 families residing in the township. The population density was 0.7 people per square mile (0.3/km). There were 91 housing units at an average density of 1.4/sq mi (0.5/km). The racial makeup of the township was 86.05% White, 2.33% Native American, and 11.63% from two or more races.
There were 22 households, out of which 4.5% had children under the age of 18 living with them, 63.6% were married couples living together, 4.5% had a female householder with no husband present, and 27.3% were non-families. 27.3% of all households were made up of individuals, and 9.1% had someone living alone who was 65 years of age or older. The average household size was 1.95 and the average family size was 2.31.
In the township the population was spread out, with 9.3% under the age of 18, 2.3% from 18 to 24, 9.3% from 25 to 44, 48.8% from 45 to 64, and 30.2% who were 65 years of age or older. The median age was 58 years. For every 100 females, there were 95.5 males. For every 100 females age 18 and over, there were 95.0 males.
The median income for a household in the township was $31,875, and the median income for a family was $90,000. Males had a median income of $29,375 versus $25,625 for females. The per capita income for the township was $30,869. None of the population and none of the families were below the poverty line.