Westmoreland

County in Pennsylvania

Contents: Subdivision

The population development in Westmoreland as well as related information and services (Wikipedia, Google, images).

The Details icon links to further information about a selected division including its population structure (gender, age groups, age distribution, urbanization, »race«, ethnicity).

Name	Status	Population Census 1990-04-01	Population Census 2000-04-01	Population Census 2010-04-01	Population Census 2020-04-01	Population Estimate 2024-07-01
Westmoreland	County	370,321	369,993	365,169	354,648	350,935
Adamsburg	Borough	253	244	172	146	143	→
Allegheny	Township	7,954	8,022	8,183	8,320	8,193	→
Arnold	City	6,033	5,682	5,153	4,773	4,657	→
Arona	Borough	393	420	370	253	247	→
Avonmore	Borough	1,098	878	1,014	901	883	→
Bell	Township	2,348	2,405	2,345	2,080	2,081	→
Bolivar	Borough	544	521	465	435	425	→
Cook	Township	2,119	2,400	2,251	1,889	1,852	→
Delmont	Borough	2,063	2,569	2,661	2,617	2,621	→
Derry	Borough	2,988	3,048	2,681	2,644	2,583	→
Derry	Township	15,350	14,453	14,506	13,612	13,387	→
Donegal	Borough	198	279	117	103	101	→
Donegal	Township	2,334	2,317	2,414	2,198	2,180	→
East Huntingdon	Township	7,736	7,854	8,004	7,708	7,576	→
East Vandergrift	Borough	795	736	678	595	580	→
Export	Borough	967	915	911	899	879	→
Fairfield	Township	2,267	2,502	2,427	2,047	2,026	→
Greensburg	City	16,329	15,670	14,897	14,949	14,586	→
Hempfield	Township	42,571	41,468	43,256	41,469	41,579	→
Hunker	Borough	328	329	287	311	302	→
Hyde Park	Borough	537	504	502	508	497	→
Irwin	Borough	4,677	4,335	3,991	3,885	3,798	→
Jeannette	City	11,095	10,758	9,675	8,779	8,566	→
Latrobe	Borough	9,564	9,119	8,333	8,072	7,906	→
Laurel Mountain	Borough	195	186	165	146	143	→
Ligonier	Borough	1,714	1,755	1,569	1,514	1,478	→
Ligonier	Township	6,937	6,917	6,611	6,062	5,969	→
Lower Burrell	City	12,240	12,623	11,761	11,763	11,542	→
Loyalhanna	Township	2,135	2,300	2,376	2,086	2,054	→
Madison	Borough	554	441	391	363	355	→
Manor	Borough	2,566	2,734	3,200	3,581	3,510	→
Monessen	City	9,811	8,665	7,717	6,871	6,704	→
Mount Pleasant	Borough	4,715	4,705	4,429	4,251	4,150	→
Mount Pleasant	Township	11,501	11,154	10,923	10,136	9,982	→
Murrysville	Municipality	17,251	18,950	20,054	20,989	20,729	→
New Alexandria	Borough	451	751	555	497	484	→
New Florence	Borough	857	775	687	672	655	→
New Kensington	City	15,893	14,666	13,116	12,169	11,877	→
New Stanton	Borough	2,077	1,908	2,179	2,337	2,311	→
North Belle Vernon	Borough	2,139	2,101	1,983	1,875	1,829	→
North Huntingdon	Township	28,173	29,115	30,605	31,875	31,810	→
North Irwin	Borough	951	886	840	823	813	→
Oklahoma	Borough	912	914	791	789	769	→
Penn	Borough	460	427	475	436	617	→
Penn	Township	16,056	19,586	20,034	20,072	20,698	→
Rostraver	Township	11,169	11,711	11,341	11,391	11,445	→
Salem	Township	7,216	6,786	6,622	6,115	5,985	→
Scottdale	Borough	5,109	4,742	4,358	4,428	4,329	→
Seward	Borough	519	491	493	410	399	→
Sewickley	Township	6,728	6,206	5,995	5,653	5,553	→
Smithton	Borough	375	460	397	346	336	→
South Greensburg	Borough	2,273	2,230	2,113	2,134	2,104	→
South Huntingdon	Township	6,365	6,145	5,788	5,423	5,318	→
Southwest Greensburg	Borough	2,460	2,401	2,155	2,222	2,166	→
St. Clair	Township	1,603	1,381	1,519	1,341	1,309	→
Sutersville	Borough	755	634	603	554	549	→
Trafford (part)	Borough	3,321	3,181	3,112	3,225	3,147	→
Unity	Township	19,870	21,172	22,602	21,612	21,277	→
Upper Burrell	Township	2,250	2,241	2,328	2,173	2,133	→
Vandergrift	Borough	5,947	5,503	5,200	5,076	4,955	→
Washington	Township	7,707	7,337	7,371	6,886	6,811	→
West Leechburg	Borough	1,359	1,291	1,295	1,270	1,244	→
West Newton	Borough	3,244	3,103	2,652	2,665	2,598	→
Youngstown	Borough	386	402	324	251	244	→
Youngwood	Borough	3,363	4,125	3,049	2,973	2,906	→
Pennsylvania	State	11,881,643	12,281,054	12,702,379	13,002,909	13,078,751

Source: U.S. Census Bureau.

Explanation: Latest available rebased population figures are used. In case of significant changes, they were recalculated by using census block data.

Further information about the population structure:

Gender (C 2020)
Males	173,467
Females	181,196

Age Groups (C 2020)
0-17 years	65,049
18-64 years	205,941
65+ years	83,673

Age Distribution (C 2020)
80+ years	20,770
70-79 years	36,402
60-69 years	56,462
50-59 years	52,698
40-49 years	40,283
30-39 years	38,750
20-29 years	36,455
10-19 years	39,525
0-9 years	33,318

Urbanization (C 2020)
Rural	93,924
Urban	260,739

»Race« (C 2020)
White	324,684
Black/African American	9,188
Indigenous	419
Asian	3,328
Pacific Islander	38
Some other	1,740
2 or more	15,266

Ethnicity (C 2020)
Hispanic or Latino	5,230
Other	349,433