Darwin township is located in Clark County, Illinois. Darwin township has a 2026 population of 325. Darwin township is currently declining at a rate of -0.91% annually and its population has decreased by -2.69% since the most recent census, which recorded a population of 334 in 2020.
The median household income in Darwin township is $83,491 with a poverty rate of 15.82%. The median age in Darwin township is 22.4 years: 22.1 years for males, and 0 years for females. For every 100 females there are 290.1 males.