Darwin
- County:
- Clark County
- County Seat:
- No
- Area (mi²):
- 27.155
- State:
- Illinois
Darwin is located in Clark County, Illinois. Darwin has a 2025 population of 325 . Darwin 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 age in Darwin is 24.2 years: 24.2 years for males, and 24.2 years for females. For every 100 females there are 202.4 males.