| Official Name: | Poplar River Township, Minnesota |
| Settlement Type: | Township |
| Pushpin Map: | Minnesota |
| Pushpin Label Position: | right |
| 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: | Red Lake |
| Unit Pref: | Imperial |
| Area Total Km2: | 90.5 |
| Area Land Km2: | 90.5 |
| Area Water Km2: | 0.0 |
| Area Total Sq Mi: | 34.9 |
| Area Land Sq Mi: | 34.9 |
| Area Water Sq Mi: | 0.0 |
| Population As Of: | 2000 |
| Population Total: | 125 |
| Population Density Km2: | 1.4 |
| Population Density Sq Mi: | 3.6 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation M: | 343 |
| Elevation Ft: | 1125 |
| Coordinates: | 47.8122°N -96.0203°W |
| Blank Name: | FIPS code |
| Blank Info: | 27-52000[1] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 0665339[2] |
Poplar River Township is a township in Red Lake County, Minnesota, United States. The population was 125 at the 2000 census.
In reference to the 2020 population census, the population was at 117. As of 2022, according to City population, it was estimated to be at 115.[3]
This township took its name from the Poplar River.[4]
According to the United States Census Bureau, the township has a total area of 34.9 square miles (90.5 km), all land.
According to a 2021 census the Median age is 64.8. 5.8% was 0–9 years old. 13% was 10-19. 1.5% was 20-29. 4.4% was 30-39. 10.1% was 40-49. 8.7% was 50-59. 27.5% was 60-69. 21.7% was 70-79. 7.3% was 80+.
61% of the population was male and 39 was female. 99% was White and 1% was Hispanic.
69.9% made under $50k. 17.1% made $50k-$100k. 20% made $100k-$200k.