Lamoine township
- County:
- McDonough County
- County Seat:
- No
- Area (mi²):
- 36.88
- State:
- Illinois
Lamoine township is located in McDonough County, Illinois. Lamoine township has a 2026 population of 495. Lamoine township is currently declining at a rate of -0.6% annually but its population has increased by 0.61% since the most recent census, which recorded a population of 492 in 2020.
The median household income in Lamoine township is $50,612 with a poverty rate of 4.03%. The median age in Lamoine township is 24.4 years: 24.2 years for males, and 32.8 years for females. For every 100 females there are 274.8 males.