Shirland township is located in Winnebago County, Illinois. Shirland township has a 2026 population of 964. Shirland township is currently growing at a rate of 0.84% annually but its population has decreased by -0.1% since the most recent census, which recorded a population of 965 in 2020.
The median household income in Shirland township is $93,750 with a poverty rate of 2.09%. The median age in Shirland township is 49 years: 51.8 years for males, and 47.1 years for females. For every 100 females there are 110.2 males.