Municipality Municipality County Pop. Income, 2005-09 Income, 2014-18 Chg.
Largest decreasesDecreases
LansdowneLansdowneDelaware10,621$70,362$54,156-23%
Lower PottsgroveLower PottsgroveMontgomery12,112$88,980$73,494-17%
Lower MorelandLower MorelandMontgomery13,146$126,672$106,107-16%
New GardenNew GardenChester12,150$137,414$116,549-15%
Lower GwyneddLower GwyneddMontgomery11,520$117,851$101,116-14%
Upper GwyneddUpper GwyneddMontgomery15,849$106,479$92,663-13%
Upper UwchlanUpper UwchlanChester11,609$182,046$159,325-12%
Upper ChichesterUpper ChichesterDelaware16,901$79,933$71,373-11%
WesttownWesttownChester10,995$126,748$113,250-11%
New Britain Twp.New Britain Twp.Bucks11,409$108,220$97,023-10%
UwchlanUwchlanChester18,908$121,605$109,912-10%
Largest increasesIncreases
Darby BoroughDarby BoroughDelaware10,678$39,551$43,406+10%
SpringfieldSpringfield (Delco)Delaware24,199$101,134$111,367+10%
West ChesterWest ChesterChester20,048$51,756$58,500+13%
TredyffrinTredyffrinChester29,504$114,136$129,332+13%
DouglassDouglassMontgomery10,589$77,896$90,509+16%
Upper ProvidenceUpper ProvidenceDelaware10,403$100,442$120,158+20%