Westmoreland County, Pennsylvania
Westmoreland County profile, demographic data, and geographic information.
Local Government & Public Administration
Authoritative general-purpose local government units serving this area
U.S. Census Bureau GUS (2026) / GMAF
| Government Unit | Unit Type | Jurisdiction Role | Contact / Address |
|---|---|---|---|
|
GUS Population: 350,935 (2024)
ID: 212195
|
County | Official County Government |
Contact: FINANCIAL ADMINISTRATION
2 N MAIN ST, STE 107, GREENSBURG PA 15601
|
|
GUS Population: 41,579 (2024)
ID: 174801
|
Township | Municipal Government Within County |
Contact: TOWNSHIP MANAGER
1132 WOODWARD DR STE A, GREENSBURG PA 15601-6416
|
|
GUS Population: 31,810 (2024)
ID: 133912
|
Township | Municipal Government Within County |
Contact: TOWNSHIP MANAGER
11279 CENTER HWY, STE 1, NORTH HUNTINGDON PA 15642-5312
|
|
TOWNSHIP OF UNITY
GUS Population: 21,277 (2024)
ID: 191404
|
Township | Municipal Government Within County |
Contact: CHAIRMAN
154 BEATTY COUNTY RD, LATROBE PA 15650-5464
|
|
GUS Population: 20,729 (2024)
ID: 112077
|
Municipal | Municipal Government Within County |
Contact: MORRISON
4100 SARDIS RD, MURRYSVILLE PA 15668-1120
|
|
GUS Population: 20,698 (2024)
ID: 174804
|
Township | Municipal Government Within County |
Contact: SECRETARY MANAGER
2001 MUNICIPAL CT, HARRISON CITY PA 15636-1349
|
|
GUS Population: 14,586 (2024)
ID: 133633
|
Municipal | Municipal Government Within County |
Contact: PLANNING DIRECTOR
416 S MAIN ST, GREENSBURG PA 15601-3067
|
|
TOWNSHIP OF DERRY
GUS Population: 13,387 (2024)
ID: 112307
|
Township | Municipal Government Within County |
Contact: CHAIRMAN DERRY TWP SUPERVISORS
5321 STATE ROUTE 982, DERRY PA 15627-2700
|
|
GUS Population: 11,877 (2024)
ID: 174155
|
Municipal | Municipal Government Within County |
Contact: CITY CLERK
301 11TH ST, STE 1, NEW KENSINGTON PA 15068-6179
|
|
GUS Population: 11,542 (2024)
ID: 174161
|
Municipal | Municipal Government Within County |
Contact: MAYOR
2800 BETHEL ST, LOWER BURRELL PA 15068-3227
|
|
TOWNSHIP OF ROSTRAVER
GUS Population: 11,445 (2024)
ID: 174805
|
Township | Municipal Government Within County |
Contact: TOWNSHIP PLANNER
201 MUNICIPAL DR, BELLE VERNON PA 15012
|
|
GUS Population: 9,982 (2024)
ID: 187347
|
Township | Municipal Government Within County |
Contact: SECRETARY-TREASURER
PO BOX 158, MAMMOTH PA 15664-0158
|
|
CITY OF JEANNETTE
GUS Population: 8,566 (2024)
ID: 133634
|
Municipal | Municipal Government Within County |
Contact: CITY MANAGER
110 S 2ND ST, JEANNETTE PA 15644-2114
|
|
GUS Population: 8,193 (2024)
ID: 209428
|
Township | Municipal Government Within County |
Contact: TOWNSHIP MANAGER
136 COMMUNITY BLDG RD, LEECHBURG PA 15656-8208
|
|
GUS Population: 7,906 (2024)
ID: 174151
|
Municipal | Municipal Government Within County |
Contact: CITY MANAGER
901 JEFFERSON STREET, LATROBE PA 15650-1809
|
|
GUS Population: 7,576 (2024)
ID: 112308
|
Township | Municipal Government Within County |
Contact: SECRETARY-TREASURER
PO BOX 9, ALVERTON PA 15612-0009
|
|
GUS Population: 6,811 (2024)
ID: 209429
|
Township | Municipal Government Within County |
Contact: ADMINISTRATOR/SECRETARY-TREASURER
285 PINE RUN CHURCH RD, APOLLO PA 15613-8809
|
|
CITY OF MONESSEN
GUS Population: 6,704 (2024)
ID: 174152
|
Municipal | Municipal Government Within County |
Contact: CITY CLERK
ONE WENDELL RAMEY LN, STE 400, MONESSEN PA 15062
|
|
TOWNSHIP OF SALEM
GUS Population: 5,985 (2024)
ID: 133913
|
Township | Municipal Government Within County |
Contact: TOWN SUPERVISOR
244 CONGRUITY RD, GREENSBURG PA 15601-8473
|
|
GUS Population: 5,969 (2024)
ID: 174802
|
Township | Municipal Government Within County |
Contact: TWP SUPERVISOR/SECY/TREAS
1 MUNICIPAL PARK DR, LIGONIER PA 15658-9784
|
|
GUS Population: 5,553 (2024)
ID: 112311
|
Township | Municipal Government Within County |
Contact: CHAIRMAN
99 TIMBERLANE RD, HERMINIE PA 15637-1018
|
|
TOWNSHIP OF SOUTH HUNTINGDON
GUS Population: 5,318 (2024)
ID: 174807
|
Township | Municipal Government Within County |
Contact: SECRETARY/TREASURER
75 SUPERVISOR DR, WEST NEWTON PA 15089-1848
|
|
BOROUGH OF VANDERGRIFT
GUS Population: 4,955 (2024)
ID: 133639
|
Municipal | Municipal Government Within County |
Contact: BOROUGH SECRETARY
109 GRANT AVE, VANDERGRIFT PA 15690-1207
|
|
GUS Population: 4,657 (2024)
ID: 112064
|
Municipal | Municipal Government Within County |
Contact: MAYOR
1829 5TH AVE, STE 1, ARNOLD PA 15068-4498
|
|
GUS Population: 4,329 (2024)
ID: 187281
|
Municipal | Municipal Government Within County |
Contact: MAYOR
10 MOUNT PLEASANT RD, SCOTTDALE PA 15683-1208
|
|
BOROUGH OF MOUNT PLEASANT
GUS Population: 4,150 (2024)
ID: 174153
|
Municipal | Municipal Government Within County |
Contact: MAYOR
629 S GEARY ST, MOUNT PLEASANT PA 15666-1219
|
|
GUS Population: 3,798 (2024)
ID: 187279
|
Municipal | Municipal Government Within County |
Contact: MAYOR
424 MAIN ST, IRWIN PA 15642-3440
|
|
GUS Population: 3,510 (2024)
ID: 112069
|
Municipal | Municipal Government Within County |
Contact: BOROUGH MANAGER
44 MAIN ST, MANOR PA 15665-9755
|
|
BOROUGH OF TRAFFORD
GUS Population: 3,236 (2024)
ID: 209285
|
Municipal | Municipal Government Within County |
Contact: MANAGER
414 BRINTON AVE, TRAFFORD PA 15085
|
|
GUS Population: 2,906 (2024)
ID: 112076
|
Municipal | Municipal Government Within County |
Contact: MAYOR
17 S 6TH ST, STE 1, YOUNGWOOD PA 15697-1231
|
|
BOROUGH OF DELMONT
GUS Population: 2,621 (2024)
ID: 112072
|
Municipal | Municipal Government Within County |
Contact: MAYOR
77 GREENSBURG ST, STE A, DELMONT PA 15626-1443
|
|
BOROUGH OF WEST NEWTON
GUS Population: 2,598 (2024)
ID: 112075
|
Municipal | Municipal Government Within County |
Contact: SEC/TREAS
112 S WATER ST, WEST NEWTON PA 15089-1397
|
|
GUS Population: 2,583 (2024)
ID: 112066
|
Municipal | Municipal Government Within County |
Contact: SECRETARY TREASURER
114 E 2ND AVE, DERRY PA 15627-1202
|
|
GUS Population: 2,311 (2024)
ID: 212897
|
Municipal | Municipal Government Within County |
Contact: ASSISTANT SECRETARY
PO BOX 375, NEW STANTON PA 15672-0375
|
|
GUS Population: 2,180 (2024)
ID: 133910
|
Township | Municipal Government Within County |
Contact: SECRETARY/TREASURER
137 HOFFERS LN, JONES MILLS PA 15646-1117
|
|
BOROUGH OF SOUTHWEST GREENSBURG
GUS Population: 2,166 (2024)
ID: 209284
|
Municipal | Municipal Government Within County |
Contact: SECRETARY/TREASURER
564 STANTON ST, GREENSBURG PA 15601-4074
|
|
TOWNSHIP OF UPPER BURRELL
GUS Population: 2,133 (2024)
ID: 174808
|
Township | Municipal Government Within County |
Contact: CHAIRMAN
3735 7TH STREET RD, NEW KENSINGTON PA 15068-7201
|
|
GUS Population: 2,104 (2024)
ID: 174158
|
Municipal | Municipal Government Within County |
Contact: SECRETARY-TREASURER
1515 POPLAR ST, GREENSBURG PA 15601-5497
|
|
TOWNSHIP OF BELL
GUS Population: 2,081 (2024)
ID: 174799
|
Township | Municipal Government Within County |
Contact: SECRETARY
PO BOX D, SALINA PA 15680-0278
|
|
TOWNSHIP OF LOYALHANNA
GUS Population: 2,054 (2024)
ID: 174803
|
Township | Municipal Government Within County |
Contact: SUPERVISOR-SECRETARY
220 5TH ST, SALTSBURG PA 15681-8937
|
|
GUS Population: 2,026 (2024)
ID: 133911
|
Township | Municipal Government Within County |
Contact: CHAIRMAN
159 MIDGET CAMP RD, BOLIVAR PA 15923-2228
|
|
TOWNSHIP OF COOK
GUS Population: 1,852 (2024)
ID: 133909
|
Township | Municipal Government Within County |
Contact: SECRETARY
PO BOX 212, STAHLSTOWN PA 15687
|
|
BOROUGH OF NORTH BELLE VERNON
GUS Population: 1,829 (2024)
ID: 174156
|
Municipal | Municipal Government Within County |
Contact: SECRETARY
503 SPEER STREET, NORTH BELLE VERNON PA 15012
|
|
BOROUGH OF LIGONIER
GUS Population: 1,478 (2024)
ID: 133635
|
Municipal | Municipal Government Within County |
Contact: MAYOR
120 E MAIN ST, STE 2, LIGONIER PA 15658-1296
|
|
TOWNSHIP OF ST CLAIR
GUS Population: 1,309 (2024)
ID: 174806
|
Township | Municipal Government Within County |
Contact: SEC TREASURER
PO BOX 506, SEWARD PA 15954-0506
|
|
BOROUGH OF WEST LEECHBURG
GUS Population: 1,244 (2024)
ID: 174160
|
Municipal | Municipal Government Within County |
Contact: MAYOR
906 9TH ST, WEST LEECHBURG PA 15656-9238
|
|
BOROUGH OF AVONMORE
GUS Population: 883 (2024)
ID: 174145
|
Municipal | Municipal Government Within County |
Contact: MAYOR
714 INDIANA AVE, AVONMORE PA 15618-9739
|
|
GUS Population: 879 (2024)
ID: 174148
|
Municipal | Municipal Government Within County |
Contact: SECRETARY
5950 JOHNSON AVE, EXPORT PA 15632-1120
|
|
BOROUGH OF NORTH IRWIN
GUS Population: 813 (2024)
ID: 174157
|
Municipal | Municipal Government Within County |
Contact: MAYOR
20 FOSTER AVE, NORTH IRWIN PA 15642-3311
|
|
BOROUGH OF OKLAHOMA
GUS Population: 769 (2024)
ID: 133637
|
Municipal | Municipal Government Within County |
Contact: SECRETARY
170 THORN ST, APOLLO PA 15613-8412
|