Allentown, PA Profile: Facts & Data


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Allentown, Pennsylvania - Basic Facts

The City of Allentown is the 3rd largest city in Pennsylvania with a population of 127,738 as of July 1, 2023. 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 40.6084 and longitude -75.4902 in Lehigh County. The formal boundaries for the City of Allentown 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 City of Allentown 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.

Jump to... (On This Page!)
  1. Allentown 2023 Demographic Data
  2. Growth Rates for Allentown (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Pennsylvania Research Tools (Easy Tools & Current Data)
  3. Pennsylvania Data Comparison Tool - 2023 Demographics

Allentown, PA Data & Demographics (As of July 1, 2023)


Total Population 127,738 (100%)
Population in Households 123,446 (96.6%)
Population in Families 94,193 (73.7%)
Population in Group Quarters1 4,292 ( 3.4%)
Population Density 7,273
Diversity Index2 86


Median Household Income $48,694
Average Household Income $68,040
% of Income for Mortgage4 22%
Per Capita Income $25,008
Wealth Index5 46
Socioeconomic Status Index6 Low (37.1)


Total HU (Housing Units) 49,703 (100%)
Owner Occupied HU 19,171 (38.6%)
Renter Occupied HU 27,548 (55.4%)
Vacant Housing Units 2,984 ( 6.0%)
Median Home Value $179,106
Average Home Value $221,629
Housing Affordability Index3 92


Total Households 46,719
Average Household Size 2.64
Family Households 27,881
Average Family Size 3.00
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. 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 races 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.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.
  6. The Socioeconomic Index ranges from zero (lowest relative status) to 100 (highest relative status). This measure quantifies disparities in social position of an area's inhabitants and is built from a broad range of demographic, housing, and socioeconomic inputs. More information on this measure can be found in Esri's SEI tutorial.


2020-2023 2023-2028
Population 0.46% 0.28%
Households 0.71% 0.49%
Families   0.37%
Median Household Income   2.16%
Per Capita Income   3.33%
Owner Occupied HU   0.68%

Allentown, PA - Peer Comparisons by Rank and Percentile

The table below compares Allentown to the other 1,888 incorporated cities, towns and CDPs in Pennsylvania by rank and percentile using July 1, 2023 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 Density # 52 97th
Median Household Income # 1610 15th
Housing Affordability Index # 405 21st
Per Capita Income # 1737 8th
Diversity Index # 3 100th

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

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