Population 352,500 · Census ACS 2020–24
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Population and households in Westmoreland County
Household size in Westmoreland County
| Period | Westmoreland County | Pittsburgh area | Pennsylvania | U.S. |
|---|---|---|---|---|
| 2006–10 | 2.37 | 2.37 | 2.51 | 2.68 |
| 2010–14 | 2.36 | 2.35 | 2.53 | 2.73 |
| 2015–19 | 2.28 | 2.29 | 2.50 | 2.71 |
| 2020–24 | 2.26 | 2.30 | 2.46 | 2.65 |
| Change | −0.11 | −0.07 | −0.05 | −0.03 |
Westmoreland County is a place of small households, averaging 2.26 people against 2.65 for the U.S., which points to many singles, couples and roommates and relatively few children. Since 2006–10, household size has dropped from 2.37, a much bigger shift than nationally. Westmoreland County has smaller households than the great majority of Pennsylvania counties.
Household size: the average number of people living in each occupied home. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25010).
Median age in Westmoreland County
| Period | Westmoreland County | Pittsburgh area | Pennsylvania | U.S. |
|---|---|---|---|---|
| 2006–10 | 44.4 | 42.5 | 40.3 | 37.7 |
| 2010–14 | 45.5 | 43.0 | 41.0 | 38.6 |
| 2015–19 | 46.7 | 43.7 | 41.8 | 39.6 |
| 2020–24 | 47.1 | 43.9 | 42.0 | 40.1 |
| Change | +2.7 | +1.4 | +1.7 | +2.3 |
With a median age of 47.1, Westmoreland County is noticeably older than the country as a whole (40.1), an age mix that tilts toward empty nesters and retirees. Since 2006–10, the median age has climbed from 44.4, in line with the national trend. The youngest areas are in the center, the oldest in the southeast.
Median age: the age that splits residents into two equal halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B01002).
Single-parent households in Westmoreland County
| Period | Westmoreland County | Pittsburgh area | Pennsylvania | U.S. |
|---|---|---|---|---|
| 2006–10 | 7.8% | 8.9% | 10.5% | 12.3% |
| 2010–14 | 8.2% | 8.8% | 10.6% | 12.3% |
| 2015–19 | 7.4% | 8.4% | 10.5% | 11.6% |
| 2020–24 | 8.1% | 8.8% | 10.7% | 11.6% |
| Change | +0.2 pts | −0.0 pts | +0.2 pts | −0.6 pts |
Single-parent households are relatively rare in Westmoreland County: 8.1% of households, against 11.6% nationally. That is in line with the rest of the Pittsburgh area.
Single-parent households: households where one adult with no spouse present lives with children under 18. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B11003).
Housing in Westmoreland County
Renters in Westmoreland County
| Period | Westmoreland County | Pittsburgh area | Pennsylvania | U.S. |
|---|---|---|---|---|
| 2006–10 | 23.5% | 28.5% | 29.0% | 33.3% |
| 2010–14 | 24.0% | 29.9% | 30.5% | 35.6% |
| 2015–19 | 22.8% | 30.3% | 31.1% | 36.0% |
| 2020–24 | 21.6% | 29.3% | 30.7% | 34.8% |
| Change | −1.9 pts | +0.8 pts | +1.7 pts | +1.5 pts |
Only 21.6% of households in Westmoreland County rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. Among owners, 46.2% have paid off their mortgages, above the national share of 39.8%. Rentals cluster in the center; owners are most common in the west. Since 2006–10, the renter share has fallen 1.9 points, even as the national share rose.
Renters: occupied homes that are rented rather than owned. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25003).
Vacant homes in Westmoreland County
| Period | Westmoreland County | Pittsburgh area | Pennsylvania | U.S. |
|---|---|---|---|---|
| 2006–10 | 8.8% | 10.7% | 10.3% | 11.4% |
| 2010–14 | 10.0% | 10.4% | 10.5% | 11.4% |
| 2015–19 | 10.3% | 10.5% | 10.7% | 11.1% |
| 2020–24 | 8.4% | 10.0% | 9.1% | 9.6% |
| Change | −0.5 pts | −0.7 pts | −1.2 pts | −1.8 pts |
Vacancy in Westmoreland County is close to the national rate: 8.4% of homes are empty, against 9.6%. The rate is lower than in the Pittsburgh area as a whole (10.0%).
Vacant homes: homes with no one living in them, including vacation homes and homes for sale or rent. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25002).
Age of homes in Westmoreland County
| Period | Westmoreland County | Pittsburgh area | Pennsylvania | U.S. |
|---|---|---|---|---|
| 2006–10 | 1962 | 1960 | 1963 | 1974 |
| 2010–14 | 1964 | 1961 | 1964 | 1975 |
| 2015–19 | 1965 | 1962 | 1965 | 1977 |
| 2020–24 | 1966 | 1964 | 1967 | 1980 |
| Change | +4 | +4 | +4 | +6 |
Westmoreland County is a place of older homes: half were built before 1966, while the national median is 1980. That means established neighborhoods, and more houses that may need updating. The median year built has moved up from 1962 in 2006–10, a sign of steady new building. Newer construction is concentrated in the north, while the center has the oldest housing.
Age of homes: the year that splits the housing stock into older and newer halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25035).
Rent in Westmoreland County
| Period | Westmoreland County | Pittsburgh area | Pennsylvania | U.S. |
|---|---|---|---|---|
| 2006–10 | $607 | $720 | $829 | $965 |
| 2010–14 | $691 | $801 | $923 | $1,040 |
| 2015–19 | $781 | $922 | $1,039 | $1,213 |
| 2020–24 | $990 | $1,162 | $1,323 | $1,571 |
| Change | +$384 | +$442 | +$494 | +$606 |
The median renter in Westmoreland County pays $990 a month for rent and utilities, well below the national median of $1,571. Rents are up $384 a month from 2006–10, a 63% jump, roughly in step with the nation. The typical renter here spends 27.4% of household income on rent, just under the 30% mark often used to define affordable rent, and a smaller share than renters pay nationally.
Rent: monthly rent plus the utilities renters pay themselves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25064).
Education in Westmoreland County
Bachelor's degrees in Westmoreland County
| Period | Westmoreland County | Pittsburgh area | Pennsylvania | U.S. |
|---|---|---|---|---|
| 2006–10 | 24.6% | 29.5% | 27.2% | 28.4% |
| 2010–14 | 26.9% | 31.7% | 28.7% | 29.6% |
| 2015–19 | 29.4% | 35.2% | 31.8% | 32.1% |
| 2020–24 | 33.0% | 39.0% | 35.6% | 35.6% |
| Change | +8.3 pts | +9.5 pts | +8.3 pts | +7.2 pts |
College degrees are about as common in Westmoreland County as nationally: 33.0% of adults 25 and older have a bachelor's or higher, against 35.6%. The share is lower than in the wider Pittsburgh area (39.0%). The share with a degree is up 8.3 points from 2006–10, in line with the national trend.
Bachelor's degrees: adults 25 and older with a bachelor's degree or higher. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).
High school graduates in Westmoreland County
| Period | Westmoreland County | Pittsburgh area | Pennsylvania | U.S. |
|---|---|---|---|---|
| 2006–10 | 91.6% | 90.8% | 87.3% | 84.9% |
| 2010–14 | 92.4% | 92.3% | 88.8% | 86.1% |
| 2015–19 | 94.5% | 93.8% | 90.3% | 87.7% |
| 2020–24 | 95.6% | 95.0% | 91.8% | 89.3% |
| Change | +4.0 pts | +4.2 pts | +4.5 pts | +4.3 pts |
High school completion is high in Westmoreland County: 95.6% of adults 25 and older have a diploma or equivalent, well above the national rate of 89.3%. The share with a diploma is up 4.0 points from 2006–10, as it has nationally. Only one other Pennsylvania county has a higher share of high school graduates.
High school graduates: adults 25 and older with a high school diploma, GED or more. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).
Jobs in Westmoreland County
| Period | Westmoreland County | Pittsburgh area | Pennsylvania | U.S. |
|---|---|---|---|---|
| 2006–10 | 6.1% | 6.9% | 7.5% | 8.1% |
| 2010–14 | 6.6% | 7.5% | 8.8% | 9.4% |
| 2015–19 | 4.1% | 4.9% | 5.5% | 5.6% |
| 2020–24 | 4.7% | 5.0% | 5.4% | 5.4% |
| Change | −1.3 pts | −1.9 pts | −2.1 pts | −2.7 pts |
At 4.7%, unemployment in Westmoreland County is close to the national rate of 5.4%. Since 2006–10, unemployment has edged down 1.3 points, mirroring the country. Because the Census pools five years of responses (2020–24), these rates smooth over short swings and lag the current job market.
Unemployment: people looking for work as a share of everyone working or looking. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B23025).
Westmoreland County compared with nearby counties
| County | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| Westmoreland County | 2.26 | 47.1 | 8.1% | 21.6% | 8.4% | 1966 | $990 | 33.0% | 95.6% | 4.7% |
| Allegheny County | 2.28 | 42.2 | 9.2% | 34.8% | 10.4% | 1961 | $1,305 | 46.6% | 95.5% | 5.0% |
| Washington County | 2.36 | 44.5 | 8.0% | 23.9% | 10.6% | 1969 | $1,098 | 33.9% | 94.6% | 4.8% |
| Cambria County | 2.28 | 44.9 | 10.5% | 23.6% | 12.6% | 1958 | $774 | 24.3% | 93.1% | 4.6% |
| Hancock County | 2.22 | 45.3 | 10.2% | 25.5% | 9.4% | 1961 | $796 | 20.4% | 91.3% | 8.0% |
| Brooke County | 2.19 | 47.2 | 8.1% | 25.4% | 9.2% | 1964 | $696 | 23.4% | 93.4% | 6.3% |
| Jefferson County | 2.35 | 44.2 | 11.5% | 29.5% | 12.4% | 1959 | $895 | 20.6% | 92.0% | 4.9% |
| Blair County | 2.38 | 42.9 | 10.0% | 27.6% | 10.5% | 1961 | $936 | 24.5% | 93.9% | 4.6% |
| Harrison County | 2.41 | 44.0 | 9.0% | 23.7% | 17.7% | 1967 | $874 | 11.5% | 90.2% | 4.3% |
| Huntingdon County | 2.38 | 44.7 | 7.5% | 20.8% | 21.6% | 1969 | $859 | 20.7% | 91.9% | 4.6% |
| Tuscarawas County | 2.44 | 41.5 | 11.3% | 31.1% | 6.8% | 1969 | $911 | 19.8% | 88.1% | 4.2% |
All figures 2020–24.
Counties with similar populations: St. Louis City, MO · Clackamas County, OR · Clayton County, GA · Cleveland County, OK · Dakota County, MN · Somerset County, NJ · St. Charles County, MO · St. Clair County, IL · St. Johns County, FL · Albany County, NY
About these numbers
Every figure on this page is a BestNeighborhood calculation from the Census Bureau's American Community Survey (ACS), built up from the Census block groups that make up Westmoreland County. Each ACS 5-year release pools five years of responses; this page shows the last 15 releases, 2006–10 through 2020–24. Neighboring releases share four of their five years, so they move gradually and small changes between them are within the survey's margin of error; in small places the lines can jump from one release to the next for the same reason. The maps show the same measures for each neighborhood, ranked against the whole country.
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