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The 61439 ZIP Code is centered1 in Knox County at latitude 41.024 and longitude -90.356 (Panoramio Photos). It is a PO Box type ZIP Code. Knox County is in the Central Time Zone (UTC -6 hours) and observes daylight savings time.
The population in ZIP Code Tabulation Area (ZCTA) 61439 was 282 with 126 housing units; a land area land area of 0.77 sq. miles; a water area of 0 sq. miles; and a population density of 368.01 people per sq. mile for Census 2000. Demographic Profile
Henderson, IL 61439 Map (Marker is ZIP Code Centroid)
Local Search, 61439 ZIP Code| Distance & Driving Directions
Nearby Cities, Towns & Census Designated Places
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Henderson, IL
(< 0.1 mile) Henderson Grove, IL (2.7 miles W) Wataga, IL (4.1 miles E) Ontario, IL (4.5 miles NE) Galesburg, IL (5.3 miles S) |
East Galesburg, IL
(5.8 miles SSE) Rio, IL (6.3 miles NNW) Utah, IL (7.4 miles WSW) Shanghai City, IL (7.5 miles WNW) North Henderson, IL (7.6 miles NW) |
Nearby Neighborhoods, Subdivisions & Other Small Populated Places
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Soperville, IL
(2.4 miles WSW) Oak Run, IL (11.8 miles ESE) Trenton Corners, IL (15 miles ESE) |
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.
