| Official Name: | Pierz 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: | Morrison |
| Unit Pref: | Imperial |
| Area Total Km2: | 72.9 |
| Area Land Km2: | 72.9 |
| Area Water Km2: | 0.0 |
| Area Total Sq Mi: | 28.2 |
| Area Land Sq Mi: | 28.2 |
| Area Water Sq Mi: | 0.0 |
| Population As Of: | 2000 |
| Population Total: | 513 |
| Population Density Km2: | 7.0 |
| Population Density Sq Mi: | 18.2 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation M: | 378 |
| Elevation Ft: | 1240 |
| Coordinates: | 45.9456°N -94.0833°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 56364 |
| Area Code: | 320 |
| Blank Name: | FIPS code |
| Blank Info: | 27-50794[1] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 0665293[2] |
Pierz Township is a township in Morrison County, Minnesota, United States. The population was 513 at the 2000 census.
Pierz Township was organized in 1869, and named for Francis Xavier Pierz, Roman Catholic missionary to the Ottawa and Ojibwa Indians.[3]
According to the United States Census Bureau, the township has a total area of 28.2 square miles (72.9 km), all land.
As of the census of 2000, there were 513 people, 161 households, and 141 families residing in the township. The population density was 18.2 people per square mile (7.0/km). There were 165 housing units at an average density of 5.9/sq mi (2.3/km). The racial makeup of the township was 100.00% White. Hispanic or Latino of any race were 0.19% of the population.
There were 161 households, out of which 46.0% had children under the age of 18 living with them, 77.0% were married couples living together, 3.7% had a female householder with no husband present, and 12.4% were non-families. 11.2% of all households were made up of individuals, and 4.3% had someone living alone who was 65 years of age or older. The average household size was 3.19 and the average family size was 3.43.
In the township the population was spread out, with 32.9% under the age of 18, 7.4% from 18 to 24, 26.9% from 25 to 44, 23.6% from 45 to 64, and 9.2% who were 65 years of age or older. The median age was 33 years. For every 100 females, there were 129.0 males. For every 100 females age 18 and over, there were 121.9 males.
The median income for a household in the township was $40,682, and the median income for a family was $43,750. Males had a median income of $28,438 versus $20,865 for females. The per capita income for the township was $15,071. About 10.8% of families and 13.0% of the population were below the poverty line, including 14.4% of those under age 18 and 17.4% of those age 65 or over.