Herman township is located in Lake County, South Dakota. Herman township has a 2026 population of 681. Herman township is currently declining at a rate of -0.44% annually but its population has increased by 1.34% since the most recent census, which recorded a population of 672 in 2020.
The median household income in Herman township is $78,438 with a poverty rate of 6.16%. The median age in Herman township is 48.8 years: 48.3 years for males, and 52.2 years for females. For every 100 females there are 112.1 males.