
Larkinsburg township
- County:
- Clay County
- County Seat:
- No
- Area (mi²):
- 37.133
- State:
- Illinois
Larkinsburg township is located in Clay County, Illinois. Larkinsburg township has a 2025 population of 563. Larkinsburg township is currently declining at a rate of -0.53% annually and its population has decreased by -2.6% since the most recent census, which recorded a population of 578 in 2020.
The average household income in Larkinsburg township is $63,540 with a poverty rate of 22.18%. The median age in Larkinsburg township is 40.4 years: 40.9 years for males, and 37.8 years for females.