61812 vs 61831 ZIP Codes
Armstrong, IL · Collison, IL
| Metric | 61812 | 61831 |
|---|---|---|
| City | Armstrong | Collison |
| County | Vermilion | Vermilion |
| State | Illinois | Illinois |
| Time zone | Central Time | Central Time |
| Population | 375 | 157 |
Demographic figures come from U.S. Census Bureau / ACS data included in the source ZIP dataset; many ZIP codes have no demographic figures in that dataset.