Allentown, PA Profile: Facts, Map & Data


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Allentown, Pennsylvania - Basic Facts

The City of Allentown is the 3rd largest city in Pennsylvania with a population of 120,301 as of July 1, 2016. Allentown ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Pennsylvania. See peer rankings below.

The primary coordinate point for Allentown is located at latitude 40.5936 and longitude -75.4784 in Lehigh County. The formal boundaries for the City of Allentown (see map below) encompass a land area of 17.55 sq. miles and a water area of 0.48 sq. miles. Lehigh County is in the Eastern time zone (GMT -5). The elevation is 341 feet.

The City of Allentown (GNIS ID: 1215372) has a C5 Census Class Code which indicates an active incorporated place that is independent of any county subdivision and serves as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Beneath the boundary map are tables with Allentown population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Alternate Unofficial Names for Allentown: Northampton, Northamptontown.

Neighborhood Data

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City of Allentown, PA Boundary Map

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


Total Population 120,301
Population in Households 115,267
Population in Familes 88,859
Population in Group Qrtrs 5,034
Population Density1 6,856
Diversity Index2 85


Total Households 42,719
Average Household Size 2.7
Family Households 26,348
Average Family Size 3


Total Housing Units 47,499 (100%)
Owner Occupied HU 19,402 (40.8%)
Renter Occupied HU 23,317 (49.1%)
Vacant Housing Units 4,780 (10.1%)
Median Home Value $143,229
Average Home Value $166,582


Median Household Income $37,717
Average Household Income $50,796
Per Capita Income $18,612
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.31% 0.33%
Households -0.03% 0.15%
Families -0.2% 0.04%
Median Household Income   -0.36%
Per Capita Income   1.27%
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 - Peer Comparisons by Rank and Percentile

The table below compares Allentown to the other 1,762 incorporated cities, towns and CDPs 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 # 3 100th
Population Density1 # 56 97th
Diversity Index2 # 3 100th
Median Household Income # 1488 16th
Per Capita Income # 1647 7th

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

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