Allentown, PA 18104 ZIP Code Profile

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Allentown, PA

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ZIP Code 18104: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Allentown, PA 18104

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 1,110
  • Single Family Addresses: 15,177
  • Multi-Family Addresses: 2,226
  • County: Lehigh County
  • Centroid: Latitude 40.603, Longitude -75.532
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

Neighborhood Data

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18104 ZIP Code Map

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Allentown, PA 18104 Data & Demographics (As of July 1, 2016)


Total Population 43,118
Population in Households 40,010
Population in Familes 31,760
Population in Group Qrtrs 3,108
Population Density1 1,870
Diversity Index2 47


Total Households 16,694
Average Household Size 2.4
Family Households 10,632
Average Family Size 3


Total Housing Units 17,666 (100%)
Owner Occupied HU 11,838 (67.0%)
Renter Occupied HU 4,856 (27.5%)
Vacant Housing Units 972 ( 5.5%)
Median Home Value $232,007
Average Home Value $265,150


Median Household Income $69,364
Average Household Income $95,070
Per Capita Income $37,667
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.36% 0.5%
Households 0.13% 0.35%
Families 0.01% 0.29%
Median Household Income   2.53%
Per Capita Income   1.72%
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 18104 - Peer Comparisons by Rank and Percentile

The table below compares 18104 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 # 34 98th
Population Density1 # 318 81st
Diversity Index2 # 148 91st
Median Household Income # 223 87th
Per Capita Income # 167 90th

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

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