
Mineral township
- County:
- Bureau County
- County Seat:
- No
- Area (mi²):
- 35.99
- State:
- Illinois
Mineral township is located in Bureau County, Illinois. Mineral township has a 2025 population of 436. Mineral township is currently declining at a rate of -0.23% annually and its population has decreased by -2.68% since the most recent census, which recorded a population of 448 in 2020.
The average household income in Mineral township is $79,061 with a poverty rate of 11.61%. The median age in Mineral township is 51.8 years: 53.9 years for males, and 49.8 years for females.