
Martinsburg township
- County:
- Pike County
- County Seat:
- No
- Area (mi²):
- 37.743
- State:
- Illinois
Martinsburg township is located in Pike County, Illinois. Martinsburg township has a 2025 population of 360. Martinsburg township is currently declining at a rate of -1.37% annually and its population has decreased by -4% since the most recent census, which recorded a population of 375 in 2020.
The average household income in Martinsburg township is $74,112 with a poverty rate of 6.18%. The median age in Martinsburg township is 62.2 years: 61.4 years for males, and 66.6 years for females.