Philadelphia, PA 19121 ZIP Code Profile

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Philadelphia, PA

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ZIP Code 19121: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Philadelphia, PA 19121

Acceptable Alternative
Phila, PA 19121

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 749
  • Single Family Addresses: 12,446
  • Multi-Family Addresses: 4,587
  • County: Philadelphia County
  • Centroid: Latitude 39.981, Longitude -75.172
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

Neighborhood 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 certain data.


19121 ZIP Code Map

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Philadelphia, PA 19121 Data & Demographics (As of July 1, 2017)


Total Population 39,070
Daytime Population: Workers 5,199
Daytime Population: Residents 26,703
Total Daytime Population (TDP) 31,902
Ratio TDP/Total Population1 0.82
Population in Households 36,828
Population in Familes 24,397
Population in Group Qrtrs 2,242
Population Density2 16,373
Diversity Index3 41


Median Household Income $18,099
Average Household Income $31,442
Per Capita Income $12,196


Total Housing Units 17,369 (100%)
Owner Occupied HU 4,408 (25.4%)
Renter Occupied HU 9,761 (56.2%)
Vacant Housing Units 3,200 (18.4%)
Median Home Value $85,671
Average Home Value $132,067


Total Households 14,169
Average Household Size 2.6
Family Households 7,285
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 1.02% 0.78%
Households 0.95% 0.72%
Families 0.74% 0.6%
Median Household Income   0.28%
Per Capita Income   1.84%

Philadelphia, PA 19121 - Peer Comparisons by Rank and Percentile

The table below compares 19121 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 # 52 97th
Population Density # 25 99th
Diversity Index # 208 88th
Median Household Income # 1631 2nd
Per Capita Income # 1629 2nd

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

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