US Census Data

Westmoreland County, Pennsylvania

66 cities & places have their primary county here.

Population
353,345
+0.2%’19–’23
Median household income
$72,468
+19.8%’19–’23
Median home value
$193,100
+26.1%’19–’23

Westmoreland County is a county in Pennsylvania with a population of 353,345. 66 cities and places have their primary county here. Its median household income of $72,468 runs below the Pennsylvania figure of $76,081.

Between 2019 and 2023, Westmoreland County's population held roughly steady from 352,590 to 353,345, while its median household income rose 19.8% from $60,471 to $72,468.

The largest age group is 55 to 64, 15.9% of residents. White (non-Hispanic) residents are the largest group, 92.0% of the population.

Demographics

ACS 2019–2023
Population
353,345
Median age
47.1 yrs
Median household income
$72,468
Median home value
$193,100
Median gross rent
$843
Housing units
168,406
Homeownership rate
78.3%
Bachelor's degree or higher
31.8%
Unemployment rate
4.8%

Trends

ACS 5-year · 2019–2023
Population
352,590353,345
Median household income
$60,471$72,468
Median home value
$153,100$193,100
Median gross rent
$721$843
YearPopulationMedian household incomeMedian home valueMedian gross rent
2019352,590$60,471$153,100$721
2020350,722$61,398$157,200$732
2021355,107$64,708$162,300$757
2022354,414$69,454$181,600$822
2023353,345$72,468$193,100$843

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

CountShare
Under 515,3194.3%
5 to 1749,41214.0%
18 to 2425,3137.2%
25 to 3438,09610.8%
35 to 4440,28611.4%
45 to 5444,88812.7%
55 to 6456,11815.9%
65 to 7449,16713.9%
75 and over34,7469.8%

Race & ethnicity

CountShare
White (non-Hispanic)325,05892.0%
Black or African American8,5782.4%
American Indian & Alaska Native670.0%
Asian3,2290.9%
Native Hawaiian & Pacific Islander510.0%
Some other race6780.2%
Two or more races10,2822.9%
Hispanic or Latino (any race)5,4021.5%

Educational attainment (age 25+)

CountShare
No high school diploma12,1264.6%
High school graduate92,72735.2%
Some college or associate's74,60328.3%
Bachelor's degree52,94120.1%
Graduate or professional degree30,90411.7%

Commute to work

Mean travel time to work
27 min

How workers get to work

CountShare
Drove alone131,62578.0%
Carpooled11,6896.9%
Public transit1,2810.8%
Walked2,9291.7%
Bicycle630.0%
Worked from home19,96511.8%
Other means1,2630.7%

Travel time

CountShare
Under 15 min40,81127.4%
15 to 29 min50,45733.9%
30 to 44 min30,10520.2%
45 to 59 min13,4599.0%
60+ min14,0189.4%

Households

Average household size
2.24
Poverty rate
10.0% (34,698 of 346,431)
CountShare
Family households96,72062.6%
Nonfamily households57,66537.4%

Housing

Median year structure built
1964

Occupancy

CountShare
Occupied154,38591.7%
Vacant14,0218.3%

Tenure (of occupied units)

CountShare
Owner-occupied120,81178.3%
Renter-occupied33,57421.7%

Units in structure

CountShare
1-unit, detached129,91677.1%
1-unit, attached8,6735.2%
2 to 4 units9,7805.8%
5 to 19 units6,0103.6%
20 or more units5,4053.2%
Mobile home & other8,6225.1%

Geography

County GEOID
42129
State
Pennsylvania
Land area
1,028 sq mi
Water area
8.22 sq mi
Center point
40.3111, -79.4667

Cities & places

66

Compare with nearby counties

5

Pennsylvania rankings

21

Other counties in Pennsylvania

66