Pearl township is located in McCook County, South Dakota. Pearl township has a 2026 population of 58. Pearl township is currently growing at a rate of 1.75% annually and its population has increased by 5.45% since the most recent census, which recorded a population of 55 in 2020.
The median age in Pearl township is 13.5 years: 7.9 years for males, and 14.1 years for females. For every 100 females there are 87.1 males.