Explore the most up-to-date Frederick County zip code map, highlighting neighborhoods, boundaries, and key locations. With a total of 35 zip codes, Frederick County is home to 273,829 residents. The county has a median home value of $412,500 and a median household income of $115,724. Below, you’ll find additional key statistics that offer a snapshot of the area.
There are a total of 35 zip codes in Frederick County. Use the interactive map above to view the boundaries for each one.
Complete list of ZIP codes in the area: 20842, 20871, 21701, 21702, 21703, 21704, 21705, 21710, 21714, 21716, 21717, 21718, 21719, 21727, 21754, 21755, 21757, 21758, 21762, 21769, 21770, 21771, 21773, 21774, 21776, 21777, 21778, 21780, 21783, 21787, 21788, 21790, 21791, 21793, 21798.