US Gazetteer > Illinois Gazetteer > Illinois ZIP Codes > Alton, IL 62002

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Alton, IL 62002

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ZIP Code 62002 has segments in 2 Counties (Macoupin, Madison).

The 62002 ZIP Code is centered1 in Madison County at latitude 38.902 and longitude -90.165 (Panoramio Photos). It is a standard type ZIP Code. Madison County is in the Central Time Zone (UTC -6 hours) and observes daylight savings time.

The population in ZIP Code Tabulation Area (ZCTA) 62002 was 34,062 with 15,472 housing units; a land area land area of 40.52 sq. miles; a water area of 0.78 sq. miles; and a population density of 840.56 people per sq. mile for Census 2000. Demographic Profile

Alton, IL 62002 Map (Marker is ZIP Code Centroid)

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Nearby Cities, Towns & Census Designated Places

Alton, IL (1.4 miles SW)
North Alton, IL (2.4 miles NW)
Fairmont, IL (2.7 miles W)
East Alton, IL (3.4 miles ESE)
Godfrey, IL (3.9 miles NNW)
West Alton, MO (4.1 miles SW)
Forest Homes, IL (4.3 miles ENE)
Alandale, IL (4.3 miles NW)
Wood River, IL (4.5 miles SE)
Rosewood Heights, IL (4.5 miles ESE)

Nearby Neighborhoods, Subdivisions & Other Small Populated Places

Milton, IL (1.4 miles E)
Upper Alton, IL (1.4 miles NE)
Sloan, IL (1.4 miles NE)
Altamont, IL (2.7 miles WNW)
Belmont Village, IL (3.1 miles NNW)
Southmoor, IL (3.1 miles NW)
Woods, IL (3.9 miles NE)
Quatoga Bluff, IL (4.7 miles WNW)
Rosedale, IL (4.7 miles ESE)
Piasa Hills, IL (6.1 miles NW)

ZIP Codes - Key Concepts

  1. ZIP Codes are categories for grouping mailing addresses and are not exact geographic regions.
  2. The centroid of a ZIP Code may be in one County and the associated city/town in another.
  3. In rural areas, a single ZIP Code may be used for cities and towns in several different Counties.
  4. ZIP Code "areas" can overlap, be subsets of each other, or be artificial constructs with no geographic area.
  5. 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.