Avoca township
- County:
- Livingston County
- County Seat:
- No
- Area (mi²):
- 36.308
- State:
- Illinois
Avoca township is located in Livingston County, Illinois. Avoca township has a 2026 population of 410. Avoca township is currently growing at a rate of 0.74% annually but its population has decreased by -0.73% since the most recent census, which recorded a population of 413 in 2020.
The median household income in Avoca township is $128,100 with a poverty rate of 11.84%. The median age in Avoca township is 34 years: 11.9 years for males, and 39.8 years for females. For every 100 females there are 179.7 males.