Below are a list of the cities located in Washington County, MD. There are 23 total unique zip codes in Washington County, Maryland. The time zone for Washington 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 24043.
The population in Washington County, MD is currently 154,937. That is an increase of 4.76% vs the population of 147,430 in 2010.
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