Pleasant Lake township is located in Aurora County, South Dakota. Pleasant Lake township has a 2026 population of 60. Pleasant Lake township is currently declining at a rate of -1.64% annually but its population has increased by 1.69% since the most recent census, which recorded a population of 59 in 2020.
The median household income in Pleasant Lake township is $94,375 with a poverty rate of 0%. The median age in Pleasant Lake township is 70.1 years: 70.9 years for males, and 68.8 years for females. For every 100 females there are 106.3 males.