Alton, IL 62002 ZIP Code Profile

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Alton, IL

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Preferred City Name & Primary Data

Preferred Name, USPS
Alton, IL 62002

Primary Data:

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 1,327
  • Single Family Addresses: 12,920
  • Multi-Family Addresses: 813
  • 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).

Alton, IL 62002 - Peer Comparisons by Rank and Percentile

The table below compares 62002 to the other 1,349 ZIP Codes in Illinois by rank and percentile using July 1, 2014 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 # 131 90th
Population Density1 # 373 72nd
Diversity Index2 # 246 82nd
Median Household Income # 1221 10th
Per Capita Income # 1127 17th

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


Alton, IL 62002 Data & Demographics (As of July 1, 2014)


Total Population 31,288
Population in Households 30,747
Population in Familes 23,563
Population in Group Qrtrs 541
Population Density1 781
Diversity Index2 45


Total Households 13,234
Average Household Size 2.32
Family Households 8,049
Average Family Size 3


Total Housing Units 15,131 (100%)
Owner Occupied HU 8,482 (56.1%)
Renter Occupied HU 4,752 (31.4%)
Vacant Housing Units 1,897 (12.5%)
Median Home Value $102,920
Average Home Value $129,324


Median Household Income $38,802
Average Household Income $49,028
Per Capita Income $20,964
  (Compound Annual Growth Rates)


2010-2014 2014-2019
Population -0.53% -0.27%
Households -0.43% -0.25%
Families -0.61% -0.36%
Median Household Income   2.15%
Per Capita Income   2.76%
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.

Information Updates

The Demographic Data for the 4,528 Illinois cities, towns, counties, ZIP Codes and Census Designated Places (CDPs) profiled in this gazetteer is updated annually. Last Update: July 1, 2014.

The ZIP Code maps and the data regarding the number of residential and business addresses in each ZIP Code are updated four times per year. Last Update: November 1, 2014.

The information on the 62,977 Illinois Physical, Cultural and Historic Features is updated six times per year. Last Update: December 2, 2014.

The School Attendance Zone Maps for 3,955 Illinois public schools are updated four times per year. Last Update: October 6, 2014.