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The 61257 ZIP Code is centered1 in Rock Island County at latitude 41.596 and longitude -90.231 (Panoramio Photos). It is a standard type ZIP Code. Rock Island County is in the Central Time Zone (UTC -6 hours) and observes daylight savings time.
The population in ZIP Code Tabulation Area (ZCTA) 61257 was 1,402 with 538 housing units; a land area land area of 40.89 sq. miles; a water area of 0.38 sq. miles; and a population density of 34.28 people per sq. mile for Census 2000. Demographic Profile
Hillsdale, IL 61257 Map (Marker is ZIP Code Centroid)
Local Search, 61257 ZIP Code| Distance & Driving Directions
Nearby Cities, Towns & Census Designated Places
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Joslin, IL
(2.7 miles S) Hillsdale, IL (3.4 miles ENE) Shady Beach, IL (4.3 miles SSE) Osborn, IL (5.5 miles SSW) Port Byron, IL (5.5 miles W) |
Le Claire, IA
(5.8 miles W) Rapids City, IL (6 miles W) Cordova, IL (7.4 miles NW) Cleveland, IL (7.6 miles SW) Princeton, IA (7.9 miles NW) |
Nearby Neighborhoods, Subdivisions & Other Small Populated Places
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Rustic Acres, IL
(6.8 miles SSW) Woodcrest, IL (7.5 miles S) Hickory Hills, IL (7.5 miles S) Cedar Brook, IL (7.9 miles WSW) Rivercrest Estates, IA (8.2 miles NW) |
Babcock, IL
(9.7 miles WSW) Great Oaks, IA (9.9 miles W) Level Acres, IL (10 miles SSW) Sherton Heights, IA (10.1 miles W) Carriage Place, IA (10.1 miles W) |
ZIP Codes - Key Concepts
- ZIP Codes are categories for grouping mailing addresses and are not exact geographic regions.
- The centroid of a ZIP Code may be in one County and the associated city/town in another.
- In rural areas, a single ZIP Code may be used for cities and towns in several different Counties.
- ZIP Code "areas" can overlap, be subsets of each other, or be artificial constructs with no geographic area.
- ZIP Codes are only loosely tied to cities.
1 Keeping the above key concepts in mind, what we informally refer to as the "center" of a ZIP Code is most often actually the centroid of a polygon.
