
Southwest township
- County:
- Crawford County
- County Seat:
- No
- Area (mi²):
- 15.05
- State:
- Illinois
Southwest township is located in Crawford County, Illinois. Southwest township has a 2025 population of 73. Southwest township is currently declining at a rate of -1.35% annually and its population has decreased by -5.19% since the most recent census, which recorded a population of 77 in 2020.
The average household income in Southwest township is $81,206 with a poverty rate of 27.5%. The median age in Southwest township is 59.4 years: 35.8 years for males, and 59.8 years for females.