Is contae in oirdheisceart Pennsylvania é Chester. Sa bhliain 2010 bhí cónaí ar 498,886 duine i gcontae Chester, suas ó 433,501 duine sa bhliain 2000. Is é West Chester príomhbhaile an chontae. Tá an contae 1,970 km2 san iomlán.
Teangacha
De réir daonáireamh S.A.M. 2000 is í Béarla an teanga is comónta i gContae Chester agus í an phríomhtheanga do 369,030 (91.45%) duine sa chontae. Bhí Spáinnis an dara teanga is comónta sa chontae agus í an phríomhtheanga do 14,800 (3.67%) duine, bhí Gearmáinis an tríú teanga is comónta agus í an phríomhtheanga do 3,115 (0.77%) duine an teanga sa chontae. Bhí Gaelainn an príomhtheanga do cúig duine is tríocha i gContae Chester.
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