Southwest, PA 15685 ZIP Code Profile

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Southwest, PA

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ZIP Code 15685: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Southwest, PA 15685

  • ZIP Code Type: PO BOX
  • Businesses Addresses: 5
  • Single Family Addresses: 1
  • Multi-Family Addresses: 0
  • County: Westmoreland County
  • Centroid: Latitude 40.15, Longitude -79.542
  • 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.


15685 ZIP Code Map

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Southwest, PA 15685 Data & Demographics (As of July 1, 2017)


Total Population 42
Daytime Population: Workers 28
Daytime Population: Residents 20
Total Daytime Population (TDP) 48
Ratio TDP/Total Population1 1.14
Population in Households 42
Population in Familes 35
Population in Group Qrtrs 0
Population Density2 664
Diversity Index3 0


Median Household Income $52,011
Average Household Income $61,722
Per Capita Income $24,983


Total Housing Units 20 (100%)
Owner Occupied HU 15 (75.0%)
Renter Occupied HU 2 ( 10.0%)
Vacant Housing Units 3 (15.0%)
Median Home Value $131,250
Average Home Value $158,333


Total Households 17
Average Household Size 2.47
Family Households 12
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 -0.64% -0.48%
Households -0.79% 0.0%
Families -1.1% 0.0%
Median Household Income   2.95%
Per Capita Income   2.87%

Southwest, PA 15685 - Peer Comparisons by Rank and Percentile

The table below compares 15685 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 # 1595 4th
Population Density # 566 66th
Diversity Index # 1600 1st
Median Household Income # 809 51st
Per Capita Income # 1049 37th

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

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