County · Pennsylvania

Westmoreland County, Pennsylvania

Westmoreland County, Pennsylvania. Westmoreland County had 349,324 residents in 2025 by the Census Bureau's estimate, down 1.5% since 2020, while Pennsylvania grew 0.4%. It holds 86 places (44 cities, villages and boroughs, 21 towns and townships and 21 census-designated) and 113 census tracts. GEOID 42129.

Westmoreland County is one of the 8 counties of the Pittsburgh, PA metropolitan statistical area (the Census Bureau's July 2023 delineation).

Residents, July 2025 estimate

349,324

Census Bureau estimate (no margin published)
2020 Census count: 354,663 · ACS 2020-2024: 352,500

Median household income

$74,109

±$1,340 (90% margin)
Pennsylvania: $77,971

Median home value

$203,500

±$2,976 (90% margin)
Pennsylvania: $254,500

Median gross rent

$879

±$20 (90% margin)
Pennsylvania: $1,209

How many people live in Westmoreland County, and is it growing?

The 2020 Census counted 354,663 residents in Westmoreland County. The Census Bureau estimates 349,324 for July 1, 2025, down 1.5% since 2020, while Pennsylvania grew 0.4%. The 2020-2024 American Community Survey puts the population at 352,500 over 1,028 square miles of land.

July 2020→2021 −575 (353,695)
2021→2022 −1,771 (351,924)
2022→2023 −691 (351,233)
2023→2024 −760 (350,473)
2024→2025 −1,149 (349,324)

Westmoreland County in Pennsylvania. Boundaries: Census Bureau 2024.

Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
Measure	Westmoreland County	Pennsylvania	Change since 2015-2019
Total population	352,500	13,018,639	−90
Households	154,979±839	5,274,853	+2,696
Average household size	2.23±0.01	2.39	−0.03
Housing units	168,812±160	5,806,452	−1,630

Westmoreland County's population since 2000

From 369,993 in 2000 to 349,324 in 2025: down 5.6%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.

2000 Census 369,993
2005 (estimate) 366,946
2010 Census 365,169
2015 (estimate) 357,006
2020 Census 354,663
2025 (estimate) 349,324

Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov

What cities and towns are in Westmoreland County?

Westmoreland County holds 86 places: 44 cities, villages and boroughs (incorporated places), 21 towns and townships (county subdivisions with their own government) and 21 census-designated places. The largest is Hempfield Township, Westmoreland County with 41,421 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.

Places in Westmoreland County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.

Hempfield Township, Westmoreland County	township	41,466	41,637±44	$82,705	$232,100	7.4%	100%
North Huntingdon Township	township	31,880	31,826±24	$101,200	$232,400	5.1%	100%
Unity Township	township	21,606	21,419±29	$75,448	$245,400	11.2%	100%
Murrysville	municipality	21,006	20,817±34	$121,823	$342,100	2.5%	100%
Penn Township, Westmoreland County	township	20,079	20,456±20	$113,086	$301,200	5.2%	100%
Greensburg	city	14,976	14,741±39	$64,914	$184,100	14.4%	100%
Derry Township, Westmoreland County	township	13,631	13,472±22	$66,156	$180,400	14.4%	100%
New Kensington	city	12,170	12,011±31	$49,063	$142,000	16.0%	100%
Lower Burrell	city	11,758	11,633±24	$84,602	$198,600	7.8%	100%
Rostraver Township	township	11,393	11,411±23	$73,300	$228,300	13.7%	100%
Mount Pleasant Township, Westmoreland County	township	10,119	10,042±26	$68,131	$191,300	13.3%	100%
Jeannette	city	8,780	8,657±20	$49,188	$114,400	18.8%	100%
Allegheny Township, Westmoreland County	township	8,328	8,238±43	$79,894	$231,900	9.7%	100%
Latrobe	borough	8,060	7,977±16	$56,318	$145,100	16.6%	100%
East Huntingdon Township	township	7,721	7,621±17	$68,286	$140,100	9.1%	100%
Washington Township, Westmoreland County	township	6,883	6,843±28	$83,587	$236,200	7.5%	100%
Monessen	city	6,876	6,780±26	$52,889	$95,900	20.8%	100%
Salem Township, Westmoreland County	township	6,093	6,035±24	$80,293	$178,800	6.5%	100%
Ligonier Township	township	6,056	6,012±27	$76,569	$243,200	9.8%	100%
Sewickley Township	township	5,647	5,601±29	$75,133	$191,800	14.2%	100%
South Huntingdon Township	township	5,418	5,362±19	$71,425	$219,200	9.4%	100%
Vandergrift	borough	5,075	5,011±29	$50,901	$93,900	21.5%	100%
Arnold	city	4,772	4,704±22	$45,417	$86,400	25.5%	100%
Scottdale	borough	4,430	4,363±29	$55,423	$156,900	14.7%	100%
Mount Pleasant	borough	4,245	4,199±25	$51,820	$143,000	11.1%	100%
Irwin	borough	3,902	3,831±20	$59,963	$195,500	13.5%	100%
Level Green	CDP	3,898	4,409±666	$101,602	$276,300	1.2%	100%
Manor	borough	3,585	3,538±25	$138,583	$273,500	4.9%	100%
Loyalhanna	CDP	3,409	3,349±376	$67,841	$174,200	8.2%	100%
Trafford	borough	3,317	3,216±43	$65,839	$147,300	9.2%	97%
Youngwood	borough	2,975	2,926±28	$70,581	$171,600	9.7%	100%
West Newton	borough	2,665	2,621±25	$52,961	$131,200	14.5%	100%
Derry	borough	2,639	2,614±22	$50,313	$129,300	16.6%	100%
Delmont	borough	2,596	2,610±17	$56,806	$261,400	10.8%	100%
New Stanton	borough	2,339	2,515±325	$71,250	$245,600	7.9%	100%
Southwest Greensburg	borough	2,219	1,949±218	$51,810	$165,900	10.3%	100%
Donegal Township, Westmoreland County	township	2,192	1,684±270	$63,411	$182,700	11.2%	100%
Upper Burrell Township	township	2,164	2,022±222	$89,229	$214,400	5.3%	100%
South Greensburg	borough	2,135	2,446±343	$64,097	$162,300	6.3%	100%
Lawson Heights	CDP	2,090	2,213±409	$64,929	$175,200	8.8%	100%
Loyalhanna Township	township	2,088	1,651±226	$76,389	$164,400	7.8%	100%
Bell Township, Westmoreland County	township	2,080	2,055±258	$63,750	$139,200	7.9%	100%
Fairfield Township, Westmoreland County	township	2,046	2,206±381	$70,815	$178,600	7.0%	100%
Cook Township	township	1,896	2,412±365	$70,875	$212,900	5.9%	100%
North Belle Vernon	borough	1,873	1,723±259	$50,588	$118,600	23.3%	100%
Ligonier	borough	1,513	1,534±192	$71,250	$236,000	8.9%	100%
St. Clair Township	township	1,340	1,247±180	$55,000	$140,700	16.6%	100%
West Leechburg	borough	1,269	1,190±199	$77,115	$169,200	4.1%	100%
Lynnwood-Pricedale	CDP	2,074	2,128±579	$57,599	$197,400	32.9%	56%
FellsburgGEOID 4225568	CDP	1,153	845±258	$101,094	$240,900	1.9%	100%
Calumet	CDP	1,145	1,093±255	$80,691	$158,000	4.9%	100%
Collinsburg	CDP	1,048	1,328±353	$56,616	$140,600	16.1%	100%
St. Vincent CollegeGEOID 4267416	CDP	1,036	1,326±41	not published	not published	58.7%	100%
Avonmore	borough	900	1,033±242	$52,143	$86,200	10.1%	100%
Export	borough	894	857±196	$56,316	$157,100	9.7%	100%
NorveltGEOID 4255616	CDP	846	987±299	$73,125	$205,700	11.7%	100%
North Irwin	borough	823	799±190	$49,063	$140,800	9.9%	100%
Oklahoma, Westmoreland County	borough	788	884±147	$68,203	$145,200	6.0%	100%
HostetterGEOID 4235872	CDP	732	453±164	$62,125	$214,300	17.2%	100%
HerminieGEOID 4234048	CDP	718	700±360	$68,125	$115,200	37.6%	100%
New Florence	borough	671	653±168	$61,500	$117,400	15.6%	100%
YukonGEOID 4287240	CDP	656	750±365	not published	$120,100	12.0%	100%
East Vandergrift	borough	602	631±174	$55,278	$70,300	16.5%	100%
Sutersville	borough	561	544±144	$65,625	$153,500	11.8%	100%
MammothGEOID 4246800	CDP	526	373±145	$39,219	$155,500	18.2%	100%
Hyde Park, Westmoreland County	borough	509	464±110	$65,536	$141,700	9.5%	100%
New Alexandria	borough	501	448±106	$76,250	$184,600	4.9%	100%
GrapevilleGEOID 4230512	CDP	499	421±193	$62,000	$104,800	9.3%	100%
BradenvilleGEOID 4208024	CDP	487	495±234	$56,932	$142,000	6.9%	100%
MillwoodGEOID 4249960	CDP	483	366±168	$38,177	$154,500	13.1%	100%
Penn	borough	435	679±275	$74,706	$102,700	12.3%	100%
Bolivar	borough	435	411±100	$64,583	$100,500	12.9%	100%
WyanoGEOID 4286672	CDP	433	263±135	$44,444	$167,600	30.4%	100%
Seward	borough	411	412±103	$50,278	$68,900	16.7%	100%
MadisonGEOID 4246488	borough	364	355±172	$93,929	$241,300	1.7%	100%
Smithton	borough	351	406±122	$55,625	$102,900	34.5%	100%
SlickvilleGEOID 4271160	CDP	339	147±53	$52,069	$105,300	9.5%	100%
HunkerGEOID 4236288	borough	310	297±111	$58,958	$133,700	2.7%	100%
AronaGEOID 4203120	borough	255	262±90	$73,125	$160,400	9.1%	100%
Youngstown	borough	252	218±64	$65,250	$127,300	11.7%	100%
WebsterGEOID 4281936	CDP	237	65±66	not published	not published	0.0%	100%
CrabtreeGEOID 4216816	CDP	201	201±149	not published	not published	0.0%	100%
Harrison CityGEOID 4232864	CDP	174	96±82	$32,557	not published	19.8%	100%
Laurel MountainGEOID 4241834	borough	146	111±47	$68,500	$260,700	1.8%	100%
AdamsburgGEOID 4200332	borough	142	118±50	$76,250	$185,000	6.8%	100%
DonegalGEOID 4219472	borough	102	89±49	$40,000	not published	19.1%	100%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov

Who lives in Westmoreland County?

The median resident of Westmoreland County is 47.2 years old; 18.2% are under 18 and 24.3% are 65 or older. The largest group is non-Hispanic white residents at 91.4%, then non-Hispanic residents of two or more races at 3.3%. 1.9% of residents were born outside the United States.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
Measure	Westmoreland County	Pennsylvania	Change since 2015-2019
Median age	47.2±0.2	40.9	no clear change
Under 18 years	18.2%±0.1 pts	20.4%	–
65 years and over	24.3%±0.1 pts	19.5%	–
Hispanic or Latino (any race)	1.6%	8.7%	+0.4 pts
White alone, not Hispanic	91.4%±0.2 pts	73.0%	−2.4 pts
Black or African American alone, not Hispanic	2.5%±0.2 pts	10.3%	no clear change
Asian alone, not Hispanic	1.0%±0.1 pts	3.8%	no clear change
American Indian and Alaska Native alone, not Hispanic	0.0%±0.1 pts	0.1%	–
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0.0%±0.1 pts	0.0%	–
Two or more races, not Hispanic	3.3%±0.3 pts	3.6%	–
Some other race alone, not Hispanic	0.2%±0.1 pts	0.5%	–
Born outside the United States	1.9%±0.1 pts	7.7%	+0.3 pts
Speak a language other than English at home (age 5+)	2.8%±0.2 pts	12.4%	–
Civilian veterans (age 18+)	7.3%±0.4 pts	6.1%	–
With a disability	15.1%±0.4 pts	14.4%	–
No health insurance coverage	3.0%±0.2 pts	5.6%	−0.4 pts
High school graduate or higher (age 25+)	95.5%±0.3 pts	92.1%	–
Bachelor's degree or higher (age 25+)	32.8%±0.8 pts	35.2%	+3.7 pts
Graduate or professional degree (age 25+)	11.8%±0.4 pts	14.3%	–
Moved from another state in the past year	1.0%±0.2 pts	1.9%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov

What do households in Westmoreland County earn?

Half of Westmoreland County's 154,979 households earn less than $74,109 a year (±$1,340), against $77,971 in Pennsylvania. In 2015-2019 it was $74,421 in 2024 dollars; the margins of error cannot tell the two periods apart. 10.3% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
Measure	Westmoreland County	Pennsylvania	Change since 2015-2019
Median household income	$74,109±$1,340	$77,971	no clear change
Mean household income	$97,695±$1,880	$107,538	–
Per capita income	$43,509±$804	$44,355	+$1,328
People below the poverty line	10.3%±0.6 pts	11.7%	no clear change
Children under 18 below the poverty line	14.1%±1.4 pts	15.6%	no clear change
Households receiving SNAP	13.9%±0.6 pts	14.4%	–
Households with a broadband subscription	88.5%±0.7 pts	89.7%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What does housing cost in Westmoreland County?

Owners occupy 78.4% of Westmoreland County's occupied homes and renters 21.6%. The median owner-occupied home is valued at $203,500 by its owner (±$2,976). The median renter pays $879 a month including utilities, and 32.7% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
Measure	Westmoreland County	Pennsylvania	Change since 2015-2019
Median home value (owner-occupied)	$203,500±$2,976	$254,500	+$15,081
Median gross rent	$879±$20	$1,209	no clear change
Renters paying 35% or more of income on rent	32.7%±2.0 pts	39.5%	no clear change
Median monthly owner costs, with a mortgage	$1,452±$19	$1,762	–
Owner-occupied homes	78.4%±0.8 pts	69.3%	+1.2 pts
Housing units	168,812±160	5,806,452	−1,630
Homeowner vacancy rate	0.6%±0.2 pts	0.8%	–
Rental vacancy rate	3.9%±0.8 pts	4.9%	–
Single-family detached homes	76.9%±0.7 pts	56.6%	–
Mobile homes	5.1%±0.4 pts	3.5%	–
Built 2020 or later	0.7%±0.1 pts	1.0%	–
Built 1939 or earlier	19.8%±0.7 pts	25.0%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov

How many new homes is Westmoreland County building?

Builders took permits for 421 new housing units across Westmoreland County in 2025 (397 single-family), 1.2 per 1,000 residents.

2019 530 units
2020 534 units
2021 679 units
2022 408 units
2023 358 units
2024 414 units
2025 421 units

Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in Westmoreland County get to work?

77.2% of Westmoreland County's workers drive alone and 13.3% work from home. The average trip to work takes 26.7 minutes. The unemployment rate in 2020-2024 averaged 4.8%.

Work and commuting, ACS 2020-2024 5-year estimates
Measure	Westmoreland County	Pennsylvania	Change since 2015-2019
In the labor force (age 16+)	60.3%±0.6 pts	62.7%	–
Unemployment rate	4.8%±0.4 pts	5.3%	+0.7 pts
Drove alone to work	77.2%±0.8 pts	68.2%	–
Carpooled	6.6%±0.5 pts	7.5%	–
Public transportation	0.5%±0.1 pts	3.6%	–
Walked	1.6%±0.2 pts	3.3%	–
Worked from home	13.3%±0.7 pts	15.6%	+8.8 pts
Mean travel time to work	26.7 min±0.5	26.3 min	no clear change

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What are Westmoreland County's census tracts?

Westmoreland County is divided into 113 census tracts. Among those with a reliable estimate, median household income runs from $15,822 (Tract 8047.05) to $148,500 (Tract 8023.04).

All 113 census tracts of Westmoreland County, with their figures

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

How does Westmoreland County compare with Pennsylvania's other counties?

Westmoreland County's rank among Pennsylvania's counties with a reliable estimate (1 = highest)
Measure	Rank
Population	11th of 67
Growth 2020-2025	42nd of 67
Residents per square mile	18th of 67
Median household income	24th of 67
Median home value	33rd of 67
Median gross rent	37th of 67
Poverty rate	46th of 67
Bachelor's degree or higher	15th of 67
Median age	11th of 67

Every county in Pennsylvania

Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections

Not on this page: crime, weather and schools for Westmoreland County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.