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The 61231 ZIP Code is centered1 in Mercer County at latitude 41.203 and longitude -90.754 (Panoramio Photos). It is a standard type ZIP Code. Mercer County is in the Central Time Zone (UTC -6 hours) and observes daylight savings time.
The population in ZIP Code Tabulation Area (ZCTA) 61231 was 6,021 with 2,502 housing units; a land area land area of 156.12 sq. miles; a water area of 0.1 sq. miles; and a population density of 38.57 people per sq. mile for Census 2000. Demographic Profile
Aledo, IL 61231 Map (Marker is ZIP Code Centroid)
Local Search, 61231 ZIP Code| Distance & Driving Directions
Nearby Cities, Towns & Census Designated Places
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Aledo, IL
(< 0.1 mile) Sugar Grove, IL (2.4 miles NNE) Gingle Corners, IL (4.3 miles NNE) Millersburg, IL (4.3 miles NW) Sunbeam, IL (5.3 miles S) |
Shale City, IL
(6 miles ENE) Joy, IL (6.6 miles W) Gilchrist, IL (6.7 miles E) Wanlock, IL (6.8 miles E) Old Gilchrist, IL (7 miles ENE) |
Nearby Neighborhoods, Subdivisions & Other Small Populated Places
No additional populated places within a 20 miles radius found.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.
