Allentown, PA 18103 ZIP Code Profile

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Allentown, PA

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ZIP Code 18103: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Allentown, PA 18103

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 1,104
  • Single Family Addresses: 16,177
  • Multi-Family Addresses: 2,557
  • County: Lehigh County
  • Centroid: Latitude 40.592, Longitude -75.475
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

Neighborhood Data

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Allentown, PA 18103 Data & Demographics (As of July 1, 2016)


Total Population 46,570
Population in Households 45,748
Population in Familes 36,694
Population in Group Qrtrs 822
Population Density1 2,729
Diversity Index2 74


Total Households 17,795
Average Household Size 2.57
Family Households 11,818
Average Family Size 3


Total Housing Units 19,027 (100%)
Owner Occupied HU 11,413 (60.0%)
Renter Occupied HU 6,382 (33.5%)
Vacant Housing Units 1,232 ( 6.5%)
Median Home Value $182,940
Average Home Value $222,214


Median Household Income $51,289
Average Household Income $68,759
Per Capita Income $26,661
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.29% 0.36%
Households 0.06% 0.21%
Families -0.1% 0.1%
Median Household Income   2.11%
Per Capita Income   1.68%
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.

Allentown, PA 18103 - Peer Comparisons by Rank and Percentile

The table below compares 18103 to the other 1,669 ZIP Codes in Pennsylvania by rank and percentile using July 1, 2016 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 # 26 99th
Population Density1 # 218 87th
Diversity Index2 # 25 99th
Median Household Income # 746 55th
Per Capita Income # 703 58th

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

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