Mount Pleasant, PA 15666 ZIP Code Profile

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Mount Pleasant, PA

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Preferred City Name & Primary Data

Preferred Name, USPS
Mount Pleasant, PA 15666

Acceptable Alternative
Mt Pleasant, PA 15666

Primary Data:

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 601
  • Single Family Addresses: 6,816
  • Multi-Family Addresses: 188
  • County: Westmoreland County
  • Centroid: Latitude 40.151, Longitude -79.543
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

ZIP Code 15666 has segments in 2 Counties (Fayette, Westmoreland).

Mount Pleasant, PA 15666 - Peer Comparisons by Rank and Percentile

The table below compares 15666 to the other 1,556 ZIP Codes in Pennsylvania by rank and percentile using July 1, 2014 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 # 238 85th
Population Density1 # 707 55th
Diversity Index2 # 1043 33rd
Median Household Income # 1123 28th
Per Capita Income # 929 40th

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


Mount Pleasant, PA 15666 Data & Demographics (As of July 1, 2014)


Total Population 17,507
Population in Households 17,290
Population in Familes 14,027
Population in Group Qrtrs 217
Population Density1 331
Diversity Index2 6


Total Households 7,590
Average Household Size 2.28
Family Households 5,046
Average Family Size 3


Total Housing Units 8,191 (100%)
Owner Occupied HU 5,649 (69.0%)
Renter Occupied HU 1,941 (23.7%)
Vacant Housing Units 601 ( 7.3%)
Median Home Value $114,006
Average Home Value $136,763


Median Household Income $42,532
Average Household Income $52,835
Per Capita Income $22,975
  (Compound Annual Growth Rates)


2010-2014 2014-2019
Population 0.09% 0.0%
Households 0.37% 0.12%
Families 0.21% 0.0%
Median Household Income   3.63%
Per Capita Income   3.07%
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.

Information Updates

The Demographic Data for the 5,962 Pennsylvania cities, towns, counties, ZIP Codes and Census Designated Places (CDPs) profiled in this gazetteer is updated annually. Last Update: July 1, 2014.

The ZIP Code maps and the data regarding the number of residential and business addresses in each ZIP Code are updated four times per year. Last Update: November 1, 2014.

The information on the 62,995 Pennsylvania Physical, Cultural and Historic Features is updated six times per year. Last Update: December 2, 2014.

The School Attendance Zone Maps for 2,283 Pennsylvania public schools are updated four times per year. Last Update: October 6, 2014.