Below are a list of the cities located in Delaware County, PA. There are 49 total unique zip codes in Delaware County, Pennsylvania. The time zone for Delaware County is the Time zone and they follow daylight savings time. The Federal Information Processing System (FIPS) Code for echo $county.' County, '.$state_abbrev ?> is 42045.
The population in Delaware County, PA is currently 573,849. That is an increase of 2.69% vs the population of 558,979 in 2010.
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