US location post office
ZIP Code 61472
- Zip Code: 61472
- Type: Standard
- Official USPS city name: Rio
- Official USPS State Code: IL
- Official State Name: Illinois
- ZCTA: TRUE
- Population: 608.0
- Density: 5.9
- Primary Official County Code: 17095
- Primary Official County Name: Knox
- Official County Name: Knox
- Official County Code: 17095
- Imprecise: FALSE
- Military: FALSE
- Timezone: America/Chicago (11:31 AM Monday, June 08 2026-06-08 (GMT -0500))
- Geo Point: 41.10216, -90.38289
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