Richest ZIP Codes in Maryland

Top ZIP codes in Maryland ranked by median household income

Wealth in America varies dramatically by ZIP code. The richest ZIP codes often cluster around major metropolitan areas, coastal communities, and affluent suburbs. These neighborhoods typically feature high educational attainment, strong property values, and diverse professional economies.

This ranking uses median household income from the U.S. Census Bureau's American Community Survey (ACS) to identify the highest-earning ZIP codes. Median income is preferred over mean income because it represents the typical household without being skewed by extreme outliers.

#1 ranked: 21738 (Glenwood, MD) with a median household income of $250,001 and a population of 3,696.

Rank ZIP Code City State Median Income Population Home Value
1 21738 Glenwood MD $250,001 3,696 $914,300
2 21056 Gibson Island MD $250,001 291 $2,000,001
3 20759 Fulton MD $250,001 6,624 $954,700
4 21737 Glenelg MD $250,001 2,474 $996,400
5 20854 Potomac MD $250,001 50,498 $1,165,400
6 20838 Barnesville MD $250,001 306 $775,700
7 20896 Garrett Park MD $250,001 932 $1,005,700
8 20817 West Bethesda MD $249,332 37,454 $1,183,600
9 20818 Cabin John MD $245,982 1,539 $1,335,100
10 21029 Clarksville MD $243,542 13,607 $912,100
11 21723 Cooksville MD $241,250 669 $1,005,500
12 20758 Friendship MD $240,847 714 $596,600
13 20630 Drayden MD $233,411 559 $618,100
14 21051 Fork MD $232,721 172 $698,500
15 20816 Bethesda MD $232,656 18,140 $1,217,200
16 21794 West Friendship MD $231,466 2,192 $999,400
17 20777 Highland MD $226,146 3,221 $861,900
18 21153 Stevenson MD $220,179 456 $902,300
19 21036 Dayton MD $218,036 2,569 $881,300
20 20812 Glen Echo MD $213,750 276 $1,163,500
21 21071 Glyndon MD $213,500 404 $450,500
22 20778 West River MD $205,974 2,211 $716,500
23 20833 Brookeville MD $204,375 7,860 $797,100
24 20842 Dickerson MD $204,013 2,369 $745,800
25 20692 Valley Lee MD $201,250 505 $468,000
26 21131 Jacksonville MD $197,619 7,141 $686,000
27 20815 Chevy Chase MD $194,971 30,505 $1,294,200
28 21104 Marriottsville MD $191,804 6,052 $680,200
29 20645 Issue MD $191,429 814 $531,500
30 21042 Ellicott City MD $190,061 43,327 $706,400
31 20862 Brinklow MD $189,667 430 $810,600
32 21797 Woodbine MD $189,241 8,643 $735,600
33 21035 Davidsonville MD $188,347 7,879 $831,500
34 20841 Boyds MD $184,688 9,969 $782,500
35 20882 Laytonsville MD $184,136 13,751 $737,400
36 21770 Monrovia MD $183,571 8,751 $632,500
37 21754 Ijamsville MD $182,188 8,156 $647,300
38 20684 Saint Inigoes MD $180,060 802 $360,500
39 20779 Tracys Landing MD $178,452 883 $572,600
40 20871 Clarksburg MD $177,523 30,182 $668,800
41 20837 Poolesville MD $174,063 6,699 $772,300
42 20895 Kensington MD $173,625 19,184 $781,500
43 21146 Severna Park MD $172,122 28,591 $659,800
44 20674 Piney Point MD $171,985 769 $592,400
45 21013 Baldwin MD $171,354 5,610 $572,100
46 21774 New Market MD $171,103 17,134 $541,000
47 21140 Riva MD $170,156 4,417 $634,700
48 21032 Crownsville MD $168,653 8,850 $682,100
49 20832 Olney MD $168,524 25,553 $627,000
50 20754 Dunkirk MD $167,371 7,545 $614,200
51 20620 Callaway MD $165,972 1,115 $391,300
52 20677 Port Tobacco MD $165,764 2,088 $576,700
53 21710 Doubs MD $163,864 4,661 $591,100
54 21054 Gambrills MD $163,825 16,386 $611,000
55 20636 Hollywood MD $163,690 10,486 $474,000
56 20861 Ashton MD $163,438 2,890 $852,700
57 20721 Mitchellville MD $163,105 31,032 $580,200
58 21120 Bentley Springs MD $162,052 7,440 $580,900
59 21773 Myersville MD $161,908 5,826 $544,400
60 20689 Sunderland MD $161,833 1,809 $490,500
61 21714 Braddock Heights MD $161,806 95 $415,600
62 20639 Huntingtown MD $161,422 15,544 $555,100
63 21704 Zcta 21704 MD $161,063 20,006 $612,000
64 21405 Sherwood Forest MD $160,703 495 $986,100
65 20839 Beallsville MD $160,329 158 $950,000
66 20637 Hughesville MD $160,121 6,133 $555,400
67 20736 Owings MD $159,851 9,960 $567,700
68 20905 Colesville MD $159,740 19,004 $656,700
69 21777 Point Of Rocks MD $159,708 2,462 $480,500
70 20853 Rockville MD $159,080 31,851 $631,900
71 20720 Bowie MD $158,997 25,015 $564,600
72 21717 Buckeystown MD $158,413 245 $430,600
73 21162 White Marsh MD $157,813 4,639 $451,600
74 21047 Fallston MD $157,500 13,852 $552,500
75 21771 Mount Airy MD $157,302 33,031 $556,200
76 20676 Port Republic MD $156,657 3,218 $509,900
77 20611 Bel Alton MD $151,607 1,219 $460,900
78 21769 Middletown MD $151,563 11,965 $507,000
79 20607 Accokeek MD $151,427 13,750 $559,000
80 20613 Brandywine MD $151,422 17,590 $530,000
81 21108 Millersville MD $151,324 18,643 $555,000
82 20814 Bethesda MD $150,996 32,795 $989,600
83 20765 Galesville MD $149,545 668 $617,300
84 20776 Harwood MD $149,300 3,315 $616,000
85 20855 Derwood MD $149,110 17,279 $640,300
86 21043 Daniels MD $148,125 48,525 $620,900
87 21409 Annapolis MD $147,151 20,289 $535,500
88 21076 Hanover MD $146,869 24,268 $513,300
89 20623 Cheltenham MD $146,058 2,761 $494,500
90 21057 Glen Arm MD $145,924 4,386 $623,200
91 21037 Edgewater Beach MD $145,787 20,854 $560,300
92 21082 Hydes MD $145,571 626 $485,500
93 20878 Darnestown MD $144,313 66,115 $715,800
94 20715 Bowie MD $143,732 26,915 $452,600
95 20868 Spencerville MD $143,333 198 $622,200
96 20650 Leonardtown MD $143,116 16,094 $481,700
97 20695 White Plains MD $141,959 16,407 $470,900
98 21114 Crofton MD $141,344 25,590 $490,400
99 20872 Damascus MD $141,050 13,983 $504,300
100 20866 Burtonsville MD $140,308 15,986 $446,900

Frequently Asked Questions

The richest ZIP code is 21738 in Glenwood, MD with a median household income of $250,001.
ZIP code wealth is measured by median household income from the U.S. Census Bureau American Community Survey (ACS) 5-year estimates. Median income represents the midpoint where half of households earn more and half earn less.
States like Connecticut, New Jersey, California, and Massachusetts tend to have the most ZIP codes in the top income brackets, with affluent suburbs and coastal communities driving the numbers.