Clarksburg township
- County:
- Shelby County
- County Seat:
- No
- Area (mi²):
- 27.116
- State:
- Illinois
Clarksburg township is located in Shelby County, Illinois. Clarksburg township has a 2026 population of 358. Clarksburg township is currently declining at a rate of -0.28% annually and its population has decreased by -0.83% since the most recent census, which recorded a population of 361 in 2020.
The median household income in Clarksburg township is $73,750 with a poverty rate of 0%. The median age in Clarksburg township is 45.2 years: 44 years for males, and 45.8 years for females. For every 100 females there are 118.1 males.