
Elwin
- County:
- Macon County
- County Seat:
- No
- Area (mi²):
- 0.833
- State:
- Illinois
Elwin is a CDP located in Macon County, Illinois. Elwin has a 2025 population of 80. Elwin is currently growing at a rate of 6.67% annually but its population has decreased by -44.06% since the most recent census, which recorded a population of 143 in 2020.
The average household income in Elwin is $48,170 with a poverty rate of 0%. The median age in Elwin is 25.8 years: 0 years for males, and 72.4 years for females.