
Somerset township
- County:
- Jackson County
- County Seat:
- No
- Area (mi²):
- 37.136
- State:
- Illinois
Somerset township is located in Jackson County, Illinois. Somerset township has a 2025 population of 3,882. Somerset township is currently declining at a rate of -0.61% annually and its population has decreased by -2.58% since the most recent census, which recorded a population of 3,985 in 2020.
The average household income in Somerset township is $95,748 with a poverty rate of 4.93%. The median age in Somerset township is 42.6 years: 44.4 years for males, and 40.3 years for females.