Postal reference / United States

61259Illinois City, Illinois

ZIP code 61259 is a United States postal code for Illinois City, Illinois. Its county association is Rock Island County. The map reference point is at 41.3892, -90.8925.

State / territory
Illinois
Recorded place name
Illinois City
County association
Rock Island
Estimated coordinate
41.3892, -90.8925
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ZIP prefix
612 · 47 ZIP codes share it
Data source
GeoNames postal reference, snapshot September 26, 2026

GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.

Area

Land area
76.832 sq mi (2023 Census Gazetteer)

Figures are for the ZIP Code Tabulation Area (ZCTA) that most closely matches this ZIP code, not an exact match to USPS delivery boundaries. Source: U.S. Census Bureau, 2023 Gazetteer + 2023 ACS 5-Year Estimates, retrieved 2026-09-27. How to read this data.

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Browse the other 1,574 ZIP codes recorded for Illinois, sorted by code with place and county.

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Nearby ZIP code reference points

ZIP codePlaceStateCounty associationMiles
61237Buffalo PrairieILRock Island4.2
52759MontpelierIAMuscatine6.7
61284Taylor RidgeILRock Island8.2
52761MuscatineIAMuscatine8.7
61232AndalusiaILRock Island9.7
52728BuffaloIAScott9.9
61260JoyILMercer11.5
52726Blue GrassIAScott11.6

Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.

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