Alton, IL 62002 ZIP Code Profile

Related Place Profiles:
Alton, IL

ZIP Code 62002: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Alton, IL 62002

  • ZIP Code Type: STANDARD
  • 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).

  • Businesses Addresses: 1,240
  • PO Box Addresses: 378
  • Residential Addresses: 13,620
    • Multi-Family Addresses: 872
    • Single Family Addresses: 12,748

The ZIP Code maps and database are updated 4 times per year.
Database updated: May 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting demographic data.


62002 ZIP Code Map

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Alton, IL 62002 Data & Demographics (As of July 1, 2017)


Total Population 31,722
Daytime Population: Workers 18,586
Daytime Population: Residents 17,843
Total Daytime Population (TDP) 36,429
Ratio TDP/Total Population1 1.15
Population in Households 31,139
Population in Familes 23,791
Population in Group Qrtrs 583
Population Density2 718
Diversity Index3 47


Median Household Income $39,681
Average Household Income $54,489
Per Capita Income $23,620


Total Housing Units 15,515 (100%)
Owner Occupied HU 8,408 (54.2%)
Renter Occupied HU 4,976 (32.1%)
Vacant Housing Units 2,131 (13.7%)
Median Home Value $88,526
Average Home Value $112,155


Total Households 13,384
Average Household Size 2.33
Family Households 8,087
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood 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.


2010-2017 2017-2022
Population -0.44% -0.28%
Households -0.42% -0.28%
Families -0.61% -0.41%
Median Household Income   0.03%
Per Capita Income   1.99%

Alton, IL 62002 - Peer Comparisons by Rank and Percentile

The table below compares 62002 to the other 1,377 ZIP Codes in Illinois by rank and percentile using July 1, 2017 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 # 129 91st
Population Density # 378 73rd
Diversity Index # 249 82nd
Median Household Income # 1248 9th
Per Capita Income # 1078 22nd

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

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