Allentown, PA 18102 ZIP Code Profile

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Allentown, PA

ZIP Code 18102: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Allentown, PA 18102

  • ZIP Code Type: STANDARD
  • County: Lehigh County
  • Centroid: Latitude 40.604, Longitude -75.481
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 1,003
  • PO Box Addresses: 0
  • Residential Addresses: 17,292
    • Multi-Family Addresses: 3,881
    • Single Family Addresses: 13,411

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.


18102 ZIP Code Map

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Allentown, PA 18102 Data & Demographics (As of July 1, 2017)


Total Population 50,971
Daytime Population: Workers 11,371
Daytime Population: Residents 32,611
Total Daytime Population (TDP) 43,982
Ratio TDP/Total Population1 0.86
Population in Households 50,040
Population in Familes 39,183
Population in Group Qrtrs 931
Population Density2 15,910
Diversity Index3 90


Median Household Income $29,386
Average Household Income $40,828
Per Capita Income $13,617


Total Housing Units 18,965 (100%)
Owner Occupied HU 5,567 (29.4%)
Renter Occupied HU 11,045 (58.2%)
Vacant Housing Units 2,353 (12.4%)
Median Home Value $109,927
Average Home Value $129,185


Total Households 16,612
Average Household Size 3.01
Family Households 10,541
Average Family Size 4
  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 0.5% 0.41%
Households 0.09% 0.24%
Families -0.04% 0.15%
Median Household Income   1.75%
Per Capita Income   2.52%

Allentown, PA 18102 - Peer Comparisons by Rank and Percentile

The table below compares 18102 to the other 1,663 ZIP Codes in Pennsylvania 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 # 20 99th
Population Density # 27 98th
Diversity Index # 3 100th
Median Household Income # 1605 4th
Per Capita Income # 1621 3rd

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

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