Westmoreland County PA Information


Westmoreland County Subdivisions

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


Total Population 362,470
Daytime Population: Workers 148,938
Daytime Population: Residents 185,286
Total Daytime Population (TDP) 334,224
Ratio TDP/Total Population1 0.92
Population in Households 355,432
Population in Familes 287,430
Population in Group Qrtrs 7,038
Population Density2 353
Diversity Index3 13


Median Household Income $54,035
Average Household Income $72,437
Per Capita Income $31,091


Total Housing Units 169,637 (100%)
Owner Occupied HU 114,977 (67.8%)
Renter Occupied HU 38,505 (22.7%)
Vacant Housing Units 16,155 ( 9.5%)
Median Home Value $149,645
Average Home Value $186,728


Total Households 153,482
Average Household Size 2.32
Family Households 101,033
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 -0.1% -0.17%
Households -0.02% -0.14%
Families -0.12% -0.21%
Median Household Income   2.53%
Per Capita Income   2.88%


Westmoreland County PA - Peer Comparisons by Rank and Percentile

The table below compares Westmoreland County to the other 67 counties and county equivalents 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 # 11 85th
Population Density # 18 75th
Diversity Index # 45 34th
Median Household Income # 22 69th
Per Capita Income # 13 82nd

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