US location post office
ZIP Code 61109
- Zip Code: 61109
- Type: Standard
- Official USPS city name: Rockford
- Official USPS State Code: IL
- Official State Name: Illinois
- ZCTA: TRUE
- Population: 26910.0
- Density: 268.8
- Primary Official County Code: 17201
- Primary Official County Name: Winnebago
- Official County Name: Winnebago| Ogle
- Official County Code: 17201| 17141
- Imprecise: FALSE
- Military: FALSE
- Timezone: America/Chicago (12:49 PM Friday, May 10 2024-05-10 (GMT -0500))
- Geo Point: 42.19259, -89.05347
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