Alton, IL 62002 ZIP Code Profile

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Alton, IL

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ZIP Code 62002: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Alton, IL 62002

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 1,317
  • Single Family Addresses: 12,760
  • Multi-Family Addresses: 854
  • County: Madison County
  • Centroid: Latitude 38.902, Longitude -90.165
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

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

Neighborhood Data

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62002 ZIP Code Map

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Alton, IL 62002 Data & Demographics (As of July 1, 2015)


Total Population 32,170
Population in Households 31,590
Population in Familes 24,236
Population in Group Qrtrs 580
Population Density1 682
Diversity Index2 45


Total Households 13,614
Average Household Size 2.32
Family Households 8,278
Average Family Size 3


Total Housing Units 15,601 (100%)
Owner Occupied HU 8,672 (55.6%)
Renter Occupied HU 4,942 (31.7%)
Vacant Housing Units 1,987 (12.7%)
Median Home Value $110,381
Average Home Value $138,079


Median Household Income $38,968
Average Household Income $49,938
Per Capita Income $21,369
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population -0.47% -0.22%
Households -0.37% -0.21%
Families -0.58% -0.35%
Median Household Income   2.14%
Per Capita Income   2.28%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.


Alton, IL 62002 - Peer Comparisons by Rank and Percentile

The table below compares 62002 to the other 1,368 ZIP Codes in Illinois by rank and percentile using July 1, 2015 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 126 91st
Population Density1 # 367 73rd
Diversity Index2 # 250 82nd
Median Household Income # 1206 12th
Per Capita Income # 1138 17th

Additional comparisons and rankings can be made with a VERY EASY TO USE Illinois Census Data Comparison Tool.