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Westmoreland County, Pennsylvania Demographics 2026

Westmoreland County, Pennsylvania has a population of 352,500, the 11th most populous county in Pennsylvania. The median household income is $74,109 and the median home value is $203,500. The poverty rate is 10.3%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Westmoreland County Quick Facts

Population 352,500
Median Household Income $74,109
Median Home Value $203,500
Poverty Rate 10.3%
Unemployment Rate 4.8%
Median Age 47.2 years
Homeownership Rate 78.4%
Affordability Ratio 2.7x
Bachelor's Degree+ 32.8%
High School Graduation 95.5%
Cities/Places 64
Population 352,500 11th of 67
Median Income $74,109 5% lower than state
Poverty Rate 10.3%
Unemployment 4.8%

How Westmoreland County Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric2019–20232020–2024Change
Population353,345352,500-0.2%
Median household income$72,468$74,109+2.3%
Median home value$193,100$203,500+5.4%

Economy & Housing

Household Income Distribution

Under $25K 15.6%
$25K-$50K 18.8%
$50K-$100K 29.3%
$100K+ 36.3%
Detailed income brackets
Under $10K
4.3%
$10K-$15K
3.7%
$15K-$20K
3.5%
$20K-$25K
4.0%
$25K-$30K
3.9%
$30K-$35K
3.8%
$35K-$40K
3.6%
$40K-$45K
3.8%
$45K-$50K
3.8%
$50K-$60K
7.0%
$60K-$75K
9.2%
$75K-$100K
13.2%
$100K-$125K
11.0%
$125K-$150K
6.9%
$150K-$200K
9.3%
$200K+
9.1%

Employment

4.8% Unemployment Rate State: 5.3%|National: 5.2%
60.3% Labor Force Participation

Housing Overview

Owner 78.4%
Renter 21.6%
Affordability Index Very Affordable
2.7x home value to income ratio
Median gross rent $879/mo 14.2% of median household income annually

People & Demographics

Diversity Index

16out of 100
Very Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 45 | National average: 61

Education

Cities & Places in Westmoreland County

CityPopulationMedian IncomePovertyHome Value
Murrysville20,817$121,8232.5%$342,100
Greensburg14,741$64,91414.4%$184,100
New Kensington12,011$49,06316.0%$142,000
Lower Burrell11,633$84,6027.8%$198,600
Jeannette8,657$49,18818.8%$114,400
Latrobe7,977$56,31816.6%$145,100
Monessen6,780$52,88920.8%$95,900
Vandergrift5,011$50,90121.5%$93,900
Arnold4,704$45,41725.5%$86,400
Level Green4,409$101,6021.2%$276,300
Scottdale4,363$55,42314.7%$156,900
Mount Pleasant4,199$51,82011.1%$143,000
Irwin3,831$59,96313.5%$195,500
Manor3,538$138,5834.9%$273,500
Loyalhanna3,349$67,8418.2%$174,200
Youngwood2,926$70,5819.7%$171,600
West Newton2,621$52,96114.5%$131,200
Derry2,614$50,31316.6%$129,300
Delmont2,610$56,80610.8%$261,400
New Stanton2,515$71,2507.9%$245,600
South Greensburg2,446$64,0976.3%$162,300
Lawson Heights2,213$64,9298.8%$175,200
Lynnwood-Pricedale2,128$57,59932.9%$197,400
Southwest Greensburg1,949$51,81010.3%$165,900
North Belle Vernon1,723$50,58823.3%$118,600
Ligonier1,534$71,2508.9%$236,000
Collinsburg1,328$56,61616.1%$140,600
St. Vincent College1,326N/A58.7%N/A
West Leechburg1,190$77,1154.1%$169,200
Calumet1,093$80,6914.9%$158,000
Avonmore1,033$52,14310.1%$86,200
Norvelt987$73,12511.7%$205,700
Oklahoma884$68,2036.0%$145,200
Export857$56,3169.7%$157,100
Fellsburg845$101,0941.9%$240,900
North Irwin799$49,0639.9%$140,800
Yukon750N/A12.0%$120,100
Herminie700$68,12537.6%$115,200
Penn679$74,70612.3%$102,700
New Florence653$61,50015.6%$117,400
East Vandergrift631$55,27816.5%$70,300
Sutersville544$65,62511.8%$153,500
Bradenville495$56,9326.9%$142,000
Hyde Park464$65,5369.5%$141,700
Hostetter453$62,12517.2%$214,300
New Alexandria448$76,2504.9%$184,600
Grapeville421$62,0009.3%$104,800
Seward412$50,27816.8%$68,900
Bolivar411$64,58312.9%$100,500
Smithton406$55,62534.5%$102,900
Mammoth373$39,21918.2%$155,500
Millwood366$38,17713.1%$154,500
Madison355$93,9291.7%$241,300
Hunker297$58,9582.7%$133,700
Wyano263$44,44430.4%$167,600
Arona262$73,1259.1%$160,400
Youngstown218$65,25011.7%$127,300
Crabtree201N/A0.0%N/A
Slickville147$52,0699.5%$105,300
Adamsburg118$76,2506.8%$185,000
Laurel Mountain111$68,5001.8%$260,700
Harrison City96$32,55719.8%N/A
Donegal89$40,00019.1%N/A
Webster65N/A0.0%N/A

Explore Pennsylvania Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Population Overview

Westmoreland County is located in Pennsylvania with a total population of 352,500. It is the 11th most populous county out of 67 in Pennsylvania. The county encompasses 64 Census-designated places.

Age Demographics

The median age in Westmoreland County is 47.2 years. This is 15% higher than the state median of 40.9 years. 10.1% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Westmoreland County is $74,109. This is 5% lower than the state median of $77,971. It is also 8% lower than the national median of $80,734. The poverty rate stands at 10.3%. This is 12% lower than the state poverty rate of 11.7%. The unemployment rate is 4.8%. This is 9% lower than the state rate of 5.3%. The median home value is $203,500. Housing costs are 20% lower than the state median of $254,500. With a home-value-to-income ratio of just 2.7x, Westmoreland County is one of the most affordable housing markets in the area. 78.4% of occupied housing units are owner-occupied. This homeownership rate is 13% higher than the state average of 69.3%.

Race & Ethnicity

Westmoreland County has a predominantly White (non-Hispanic) population, comprising 91.4% of all residents. Black or African American residents account for 2.5%. The Black or African American population (2.5%) is well below the state average of 10.3%. The Hispanic or Latino population (1.6%) is well below the state average of 8.7%. The Asian population (1.0%) is well below the state average of 3.8%.

Education

32.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 7% lower than the state rate of 35.2%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 95.5%.

Data Sources & Methodology

All figures for Westmoreland County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Pennsylvania and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.

Frequently Asked Questions

What is the population of Westmoreland County, Pennsylvania?

Westmoreland County has a population of 352,500, making it the 11th most populous county in Pennsylvania.

What is the median income in Westmoreland County?

The median household income in Westmoreland County is $74,109 with a poverty rate of 10.3%.

How many cities are in Westmoreland County, Pennsylvania?

Westmoreland County contains 64 Census-designated places.