Bethlehem, PA Profile: Facts, Map & Data


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Bethlehem, Pennsylvania - Basic Facts

The City of Bethlehem is the 6th largest city in Pennsylvania with a population of 77,129 as of July 1, 2017. Bethlehem 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 Bethlehem is located at latitude 40.6264 and longitude -75.3679 in Northampton County. The formal boundaries for the City of Bethlehem (see map below) encompass a land area of 19.1 sq. miles and a water area of 0.35 sq. miles. Northampton County is in the Eastern time zone (GMT -5). The elevation is 354 feet.

While the primary coordinates for City of Bethlehem are located in Northampton County, it should be noted that the formal boundaries for this community also extend into and Lehigh County.

The City of Bethlehem (GNIS ID: 1217330) 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 Bethlehem population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

Alternate Unofficial Names for Bethlehem: Menagachsink.

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City of Bethlehem, PA Boundary Map

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


Total Population 77,129
Daytime Population: Workers 37,781
Daytime Population: Residents 43,202
Total Daytime Population (TDP) 80,983
Ratio TDP/Total Population1 1.05
Population in Households 70,804
Population in Familes 51,873
Population in Group Qrtrs 6,325
Population Density2 4,038
Diversity Index3 70


Median Household Income $50,365
Average Household Income $65,179
Per Capita Income $26,460


Total Housing Units 31,991 (100%)
Owner Occupied HU 15,372 (48.1%)
Renter Occupied HU 14,643 (45.8%)
Vacant Housing Units 1,976 ( 6.2%)
Median Home Value $185,603
Average Home Value $212,648


Total Households 30,015
Average Household Size 2.36
Family Households 17,324
Average Family Size 3
  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 0.39% 0.44%
Households 0.3% 0.41%
Families 0.18% 0.33%
Median Household Income   1.64%
Per Capita Income   2.45%

Bethlehem, PA - Peer Comparisons by Rank and Percentile

The table below compares Bethlehem to the other 1,762 incorporated cities, towns and CDPs 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 # 6 100th
Population Density # 248 86th
Diversity Index # 31 98th
Median Household Income # 955 46th
Per Capita Income # 854 52nd

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

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