
Arna township
- County:
- Pine County
- County Seat:
- No
- Area (mi²):
- 37.602
- State:
- Minnesota
Arna township is located in Pine County, Minnesota. Arna township has a 2025 population of 102. Arna township is currently growing at a rate of 3.03% annually and its population has increased by 18.6% since the most recent census, which recorded a population of 86 in 2020.
The average household income in Arna township is $70,057 with a poverty rate of 10.64%. The median age in Arna township is 59.8 years: 61.5 years for males, and 59.3 years for females.