Philadelphia City, MSA and CSA - Mostly positive growth.
County/City .... 2010 pop. .... 2014 pop. ... +/- growth
Pennsylvania
Philadelphia City ... 1,526,006 ... 1,560,297 ... +34,291
Montgomery County ... 799,874 ... 816,857 ... +16,983
Bucks County ... 625,249 ... 626,685 ... +1,436
Delaware County ... 558,979 ... 562,960 ... +3,981
Chester County ... 498,886 ... 512,784 ... +13,898
Berks County ... 411,442 ... 413,691 ... +2,249
PA Metro area division change 2010-2014= +72,838
New Jersey
Camden County ... 513,657 ... 511,038 ... -2,619
Burlington County ... 448,734 ... 449,722 ... +988
Gloucester County ... 288,288 ... 290,951 ... +2,663
Atlantic County ... 274,540 ... 275,209 ... +660
Cumberland County ... 156,898 ... 157,389 ... +491
Cape May County ... 97,265 ... 95,334 ... -1,931
Salem County ... 66,083 ... 64,715 ... -1,368
NJ Metro area division change 2010-2014= -1,116
Delaware
New Castle County ... 538,479 ... 552,778 ... +14,299
Kent County ... 162,310 ... 171,987 ... +9,677
DE Metro area division change 2010-2014= +23,976
Maryland
Cecil County ... 101,108 ... 102,383 ... +1,275
MD Metro area division change 2010-2014= +1,275
Notable Cities
Philadelphia City ... 1,526,006 ... 1,560,297 ... +34,291
Reading City ... 88,082 ... 87,812 ... -270
Camden City ... 77,344 ... 77,332 ... -12
Wilmington City ... 70,851 ... 71,817 ... +966
Vineland City ... 60,724 ... 61,171 ... +447
Atlantic City ... 39,558 ... 39,415 ... -143
Dover City ... 36,047 ... 37,355 ... +1,308
Chester City ... 33,972 ... 34,133 ... +161
Newark City ... 31,454 ... 33,008 ... +1,554
Philadelphia Area 2010-2014 change= +96,973
http://www.cleveland.com/datacentral/index.ssf/2015/05/census_population_estimates_fo.html