Heier township is located in Mahnomen County, Minnesota. Heier township has a 2026 population of 138. Heier township is currently declining at a rate of -0.72% annually and its population has decreased by -1.43% since the most recent census, which recorded a population of 140 in 2020.
The median household income in Heier township is $51,250 with a poverty rate of 6.9%. The median age in Heier township is 43.9 years: 45.8 years for males, and 38.5 years for females. For every 100 females there are 88.3 males.