
Blandinsville township
- County:
- McDonough County
- County Seat:
- No
- Area (mi²):
- 37.333
- State:
- Illinois
Blandinsville township is located in McDonough County, Illinois. Blandinsville township has a 2025 population of 752. Blandinsville township is currently declining at a rate of 0% annually and its population has decreased by -1.18% since the most recent census, which recorded a population of 761 in 2020.
The average household income in Blandinsville township is $70,786 with a poverty rate of 10.55%. The median age in Blandinsville township is 37.3 years: 35.5 years for males, and 40.8 years for females.