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Where am ILOCATED

Westmoreland County, Pennsylvania

Westmoreland County, Pennsylvania, has 349,324 residents (July 2025 estimate). Its county seat is Greensburg. It uses Eastern Time and covers 1,028 sq mi (2,662 km²) of land.

PhiladelphiaAllentown
Westmoreland County in Pennsylvania
Allegheny CountyCambria CountyIndiana CountyMurrysvilleGreensburgNew KensingtonJeannette
Westmoreland County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
349,324
Land area
1,028 sq mi (2,662 km²)
County seat or government
Greensburg
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Median household income
$74,109 ± $1,340
Median home value
$203,500 ± $2,976
Median rent, with utilities
$879 ± $20
Homes lived in by their owners
78.4% ± 0.7 points
County type
County
Metro or micro area
Pittsburgh, PA metro areaCentral county
Water area
8.22 sq mi (21.3 km²)
State
Pennsylvania
County code (FIPS)
42129
Coordinates (central point)
40.311068, -79.466688
Open this point in the location finder

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Westmoreland County

Time zoneLocal time and UTC offsetNext clock change
Eastern TimeAmerica/New_YorkUTC-05:00 in January; UTC-04:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 1560156,425 people
  2. 1564246,325 people
  3. 1506836,203 people
  4. 1514628,332 people
  5. 1565026,312 people
  6. 1564418,512 people
  7. 1550116,240 people
  8. 1566615,980 people
  9. 1501215,412 people
  10. 1566814,584 people
  11. 1561312,854 people
  12. 1513710,043 people
All 89
  1. 156569,506 people
  2. 157179,206 people
  3. 156908,985 people
  4. 156328,377 people
  5. 151318,209 people
  6. 156588,115 people
  7. 150858,062 people
  8. 156837,643 people
  9. 150896,789 people
  10. 150626,780 people
  11. 156276,167 people
  12. 156265,129 people
  13. 162294,798 people
  14. 156814,698 people
  15. 156103,988 people
  16. 156703,675 people
  17. 155313,603 people
  18. 156363,560 people
  19. 156723,321 people
  20. 159443,063 people
  21. 156972,877 people
  22. 156792,781 people
  23. 156182,386 people
  24. 159542,279 people
  25. 156392,160 people
  26. 154792,010 people
  27. 156371,821 people
  28. 159231,585 people
  29. 156651,339 people
  30. 156751,290 people
  31. 156871,241 people
  32. 156231,135 people
  33. 15692992 people
  34. 15662969 people
  35. 15083913 people
  36. 15661858 people
  37. 15620801 people
  38. 15698789 people
  39. 15622682 people
  40. 15633682 people
  41. 15671671 people
  42. 15629631 people
  43. 15688612 people
  44. 15676544 people
  45. 15779526 people
  46. 15677516 people
  47. 15619488 people
  48. 15678472 people
  49. 15641464 people
  50. 15628458 people
  51. 15612443 people
  52. 15634421 people
  53. 15663377 people
  54. 15616363 people
  55. 15655357 people
  56. 15640355 people
  57. 15691302 people
  58. 15660299 people
  59. 15693277 people
  60. 15617262 people
  61. 15611241 people
  62. 15680230 people
  63. 15635228 people
  64. 15624218 people
  65. 15696218 people
  66. 15684201 people
  67. 15695181 people
  68. 15646161 people
  69. 15674158 people
  70. 15448150 people
  71. 15615148 people
  72. 15638104 people
  73. 1568992 people
  74. 1508785 people
  75. 1562558 people
  76. 1564749 people
  77. 1507242 people

89 ZIP Code areas overlap Westmoreland County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

Westmoreland County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

Townships in Westmoreland County, largest first

  1. Hempfield Township41,637 people
  2. North Huntingdon Township31,826 people
  3. Unity Township21,419 people
  4. Penn Township20,456 people
  5. Derry Township13,472 people
  6. Rostraver Township11,411 people
  7. Mount Pleasant Township10,042 people
  8. Allegheny Township8,238 people
  9. East Huntingdon Township7,621 people
  10. Washington Township6,843 people
  11. Salem Township6,035 people
  12. Ligonier Township6,012 people
All 21
  1. Sewickley Township5,601 people
  2. South Huntingdon Township5,362 people
  3. Cook Township2,412 people
  4. Fairfield Township2,206 people
  5. Bell Township2,055 people
  6. Upper Burrell Township2,022 people
  7. Donegal Township1,684 people
  8. Loyalhanna Township1,651 people
  9. St. Clair Township1,247 people

People counts are American Community Survey 2020–2024 5-year estimates. All townships in Pennsylvania, by county

School districts in Westmoreland County, largest first

  1. Hempfield Area School District48,638 people
  2. Norwin School District36,775 people
  3. Greater Latrobe School District29,614 people
  4. Kiski Area School District27,906 people
  5. Penn-Trafford School District27,289 people
  6. Greensburg Salem School District25,314 people
  7. Franklin Regional School District23,596 people
  8. Belle Vernon Area School District18,230 people
  9. New Kensington-Arnold School District16,715 people
  10. Derry Area School District16,534 people
  11. Mount Pleasant Area School District16,014 people
  12. Yough School District15,151 people
All 19
  1. Ligonier Valley School District14,998 people
  2. Southmoreland School District14,513 people
  3. Burrell School District13,655 people
  4. Blairsville-Saltsburg School District12,351 people
  5. Jeannette City School District8,657 people
  6. Monessen City School District6,780 people
  7. Leechburg Area School District5,418 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Murrysville, Pennsylvania (municipality)20,817 people
  2. Greensburg, Pennsylvania (city)14,741 people
  3. New Kensington, Pennsylvania (city)12,011 people
  4. Lower Burrell, Pennsylvania (city)11,633 people
  5. Jeannette, Pennsylvania (city)8,657 people
  6. Latrobe, Pennsylvania (borough)7,977 people
  7. Monessen, Pennsylvania (city)6,780 people
  8. Vandergrift, Pennsylvania (borough)5,011 people
  9. Arnold, Pennsylvania (city)4,704 people
  10. Level Green, Pennsylvania (CDP)4,409 people
  11. Scottdale, Pennsylvania (borough)4,363 people
  12. Mount Pleasant, Pennsylvania (borough)4,199 people
All 65
  1. Irwin, Pennsylvania (borough)3,831 people
  2. Manor, Pennsylvania (borough)3,538 people
  3. Loyalhanna, Pennsylvania (CDP)3,349 people
  4. Trafford, Pennsylvania (borough)3,216 people
  5. Youngwood, Pennsylvania (borough)2,926 people
  6. West Newton, Pennsylvania (borough)2,621 people
  7. Derry, Pennsylvania (borough)2,614 people
  8. Delmont, Pennsylvania (borough)2,610 people
  9. New Stanton, Pennsylvania (borough)2,515 people
  10. South Greensburg, Pennsylvania (borough)2,446 people
  11. Lawson Heights, Pennsylvania (CDP)2,213 people
  12. Lynnwood-Pricedale, Pennsylvania (CDP)2,128 people
  13. Southwest Greensburg, Pennsylvania (borough)1,949 people
  14. North Belle Vernon, Pennsylvania (borough)1,723 people
  15. Ligonier, Pennsylvania (borough)1,534 people
  16. Collinsburg, Pennsylvania (CDP)1,328 people
  17. St. Vincent College, Pennsylvania (CDP)1,326 people
  18. West Leechburg, Pennsylvania (borough)1,190 people

See all 65 cities, towns and communities in Westmoreland County, largest first

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Fayette County, Pennsylvania29 mi south
  2. Allegheny County, Pennsylvania29 mi west
  3. Indiana County, Pennsylvania31 mi northeast
  4. Somerset County, Pennsylvania32 mi southeast
  5. Armstrong County, Pennsylvania35 mi north
  6. Cambria County, Pennsylvania42 mi east
  7. Washington County, Pennsylvania42 mi west
  8. Butler County, Pennsylvania48 mi northwest

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.