Is contae i iar dheisceart bPennsylvania é Westmoreland. I 2010 bhí cónaí ar 365,169 duine i gcontae Westmoreland síos ó 369,993 duine sa bhliain 2000. Is é Greensburg príomhbhaile an contae. Tá an contae 2,680 km2 san iomlán(talamh+uise).
Teangacha
De réir daonáireamh S.A.M. 2000 is í Béarla an teanga is comónta i gcontae Westmoreland agus í an phríomhtheanga do 337,770(96.48%) duine sa conte. Bhí Spáinnis an dara teanga is comónta sa chontae agus í an phríomhtheanga do 3,510(1.00%) duine, bhí Iodáilis an tríú teanga is comónta agus í an phríomhtheanga do 2,090(0.60%) duine sa chontae.
Allegheny Mountains • Allegheny National Forest • Allegheny Plateau • Atlantic Coastal Plain • Bald Eagle Valley • Blue Ridge • Central • Coal Region • Cumberland Valley • Delaware Valley • Dutch Country • Eastern • Endless Mountains • Great Valley • Mahoning Valley • Happy Valley • Laurel Highlands • Lehigh Valley • Main Line • Moshannon Valley • Nittany Valley • Northeastern • Northern Tier • Northwestern • North Penn Valley • Ohio Valley • Oil Region • Oley Valley • Pennsylvania Highlands • Penns Valley • Philicon Valley • Piedmont • Pocono Mountains • Ridge and Valley • Saucon Valley • South Central • Southeastern • Southern • Southwestern • Susquehanna Valley • Western • Wyoming Valley