Home Rankings Richest ZIP codes in the U.S. Maryland Richest ZIP codes in Maryland The ZIP codes in Maryland with the highest median household income, among ZIP codes with at least the population shown below so one-estate enclaves don't crowd the list.
Rank ZIP code City County Median household income Population 1 20854 Potomac, MD Montgomery County $250,001 50,498 2 20759 Fulton, MD Howard County $250,001 6,624 3 21738 Glenwood, MD Howard County $250,001 3,696 4 21737 Glenelg, MD Howard County $250,001 2,474 5 20817 Bethesda, MD Montgomery County $249,332 37,454 6 20818 Cabin John, MD Montgomery County $245,982 1,539 7 21029 Clarksville, MD Howard County $243,542 13,607 8 20816 Bethesda, MD Montgomery County $232,656 18,140 9 21794 West Friendship, MD Howard County $231,466 2,192 10 20777 Highland, MD Howard County $226,146 3,221 11 21036 Dayton, MD Howard County $218,036 2,569 12 20778 West River, MD Anne Arundel County $205,974 2,211 13 20833 Brookeville, MD Montgomery County $204,375 7,860 14 20842 Dickerson, MD Montgomery County $204,013 2,369 15 21131 Phoenix, MD Baltimore County $197,619 7,141 16 20815 Chevy Chase, MD Montgomery County $194,971 30,505 17 21104 Marriottsville, MD Howard County $191,804 6,052 18 21042 Ellicott City, MD Howard County $190,061 43,327 19 21797 Woodbine, MD Howard County $189,241 8,643 20 21035 Davidsonville, MD Anne Arundel County $188,347 7,879 21 20841 Boyds, MD Montgomery County $184,688 9,969 22 20882 Gaithersburg, MD Montgomery County $184,136 13,751 23 21770 Monrovia, MD Frederick County $183,571 8,751 24 21754 Ijamsville, MD Frederick County $182,188 8,156 25 20871 Clarksburg, MD Montgomery County $177,523 30,182 26 20837 Poolesville, MD Montgomery County $174,063 6,699 27 20895 Kensington, MD Montgomery County $173,625 19,184 28 21146 Severna Park, MD Anne Arundel County $172,122 28,591 29 21013 Baldwin, MD Baltimore County $171,354 5,610 30 21774 New Market, MD Frederick County $171,103 17,134 31 21140 Riva, MD Anne Arundel County $170,156 4,417 32 21032 Crownsville, MD Anne Arundel County $168,653 8,850 33 20832 Olney, MD Montgomery County $168,524 25,553 34 20754 Dunkirk, MD Calvert County $167,371 7,545 35 20620 Callaway, MD St. Mary's County $165,972 1,115 36 20677 Port Tobacco, MD Charles County $165,764 2,088 37 21710 Adamstown, MD Frederick County $163,864 4,661 38 21054 Gambrills, MD Anne Arundel County $163,825 16,386 39 20636 Hollywood, MD St. Mary's County $163,690 10,486 40 20861 Ashton, MD Montgomery County $163,438 2,890 41 20721 Bowie, MD Prince George's County $163,105 31,032 42 21120 Parkton, MD Baltimore County $162,052 7,440 43 21773 Myersville, MD Frederick County $161,908 5,826 44 20689 Sunderland, MD Calvert County $161,833 1,809 45 20639 Huntingtown, MD Calvert County $161,422 15,544 46 21704 Frederick, MD Frederick County $161,063 20,006 47 20637 Hughesville, MD Charles County $160,121 6,133 48 20736 Owings, MD Calvert County $159,851 9,960 49 20905 Silver Spring, MD Montgomery County $159,740 19,004 50 21777 Point Of Rocks, MD Frederick County $159,708 2,462
Source: American Community Survey 2020–2024 5-year estimates. The ACS caps reported medians at $250,000. Only ZIP codes with a delivery area and at least 1,000 residents are ranked. Methodology
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