ZIP Code 61257 — Hillsdale, IL
ZIP code 61257 serves Hillsdale, Illinois, within Rock Island County. It is part of area code 309, with population 1,154 and mean income of $54,688.
Location details
- City
- Hillsdale
- County
- Rock Island County
- State
- Illinois (IL)
- Area code
- 309
- Population
- 1,154
- Mean income
- $54,688
- Coordinates
- 41.593360, -90.221850
- Timezone
- America/Chicago
Related ZIP codes in IL
Open state pageAbout ZIP code 61257
ZIP code 61257 is a Standard ZIP in Hillsdale, Illinois. It is linked to area code 309 and can be used to explore related ZIP codes, state-level coverage, and nearby geographic data.
The location coordinates are 41.593360, -90.221850, which can later be displayed on a map for better geographic context.
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ZIP 61257 · Hillsdale, IL