| Official Name: | Orrock 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: | Sherburne |
| Unit Pref: | Imperial |
| Area Total Km2: | 93.9 |
| Area Land Km2: | 90.4 |
| Area Water Km2: | 3.5 |
| Area Total Sq Mi: | 36.2 |
| Area Land Sq Mi: | 34.9 |
| Area Water Sq Mi: | 1.4 |
| Population As Of: | 2000 |
| Population Total: | 2764 |
| Population Density Km2: | 30.6 |
| Population Density Sq Mi: | 79.2 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation M: | 302 |
| Elevation Ft: | 991 |
| Coordinates: | 45.4114°N -93.6939°W |
| Blank Name: | FIPS code |
| Blank Info: | 27-48670[1] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 0665219[2] |
Orrock Township is a township in Sherburne County, Minnesota, United States. The population was 2,764 at the 2000 census.
Orrock Township was organized in 1875, and named for Robert Orrock, a pioneer settler.[3]
According to the United States Census Bureau, the township has a total area of of which (93.9%) is land and (3.72%) is water.
At the 2000 census, there were 2,764 people, 892 households and 753 families residing in the township. The population density was . There were 952 housing units at an average density of . The racial make-up was 97.72% White, 0.11% African American, 0.51% Native American, 0.43% Asian, 0.51% from other races, and 0.72% from two or more races. Hispanic or Latino of any race were 1.05% of the population.
There were 892 households, of which 48.3% had children under the age of 18 living with them, 75.7% were married couples living together, 4.5% had a female householder with no husband present, and 15.5% were non-families. 10.3% of all households were made up of individuals, and 1.7% had someone living alone who was 65 years of age or older. The average household size was 3.10 and the average family size was 3.36.
32.9% of the population were under the age of 18, 6.8% from 18 to 24, 36.2% from 25 to 44, 20.2% from 45 to 64 and 3.9% who were 65 years of age or older. The median age was 33 years. For every 100 females, there were 109.1 males. For every 100 females age 18 and over, there were 109.4 males.
The median household income was $60,168 and the median family income was $61,599. Males had a median income of $42,593 and females $31,357. The per capita income was $22,540. About 2.7% of families and 4.5% of the population were below the poverty line, including 5.8% of those under age 18 and 3.5% of those age 65 or over.