100 Largest ZIP Codes in the United States by Population in Montgomery County, Maryland

Explore the 100 largest ZIP codes in the United States ranked by population using U.S. Census demographic data. This page lists ZIP codes located in Montgomery County, Maryland.

Rank	ZIP Code	City	State	Population
1	20906	SILVER SPRING	MD	71,560
2	20878	GAITHERSBURG	MD	65,954
3	20874	GERMANTOWN	MD	61,922
4	20904	SILVER SPRING	MD	56,532
5	20902	SILVER SPRING	MD	53,308
6	20850	ROCKVILLE	MD	51,072
7	20854	POTOMAC	MD	49,320
8	20852	ROCKVILLE	MD	48,379
9	20910	SILVER SPRING	MD	45,072
10	20877	GAITHERSBURG	MD	38,524
11	20817	BETHESDA	MD	37,795
12	20901	SILVER SPRING	MD	37,207
13	20886	MONTGOMERY VILLAGE	MD	34,692
14	20853	ROCKVILLE	MD	31,794
15	20815	CHEVY CHASE	MD	31,080
16	20814	BETHESDA	MD	30,234
17	20879	GAITHERSBURG	MD	27,489
18	20871	CLARKSBURG	MD	27,420
19	20876	GERMANTOWN	MD	26,572
20	20912	TAKOMA PARK	MD	25,823
21	20832	OLNEY	MD	25,488
22	20903	SILVER SPRING	MD	25,324
23	20895	KENSINGTON	MD	19,273
24	20905	SILVER SPRING	MD	17,451
25	20816	BETHESDA	MD	17,390
26	20866	BURTONSVILLE	MD	16,680
27	20855	DERWOOD	MD	16,558
28	20851	ROCKVILLE	MD	14,659
29	20882	GAITHERSBURG	MD	13,962
30	20872	DAMASCUS	MD	12,932
31	20841	BOYDS	MD	9,312
32	20833	BROOKEVILLE	MD	7,949
33	20837	POOLESVILLE	MD	6,651
34	20861	ASHTON	MD	3,031
35	20860	SANDY SPRING	MD	2,279
36	20842	DICKERSON	MD	1,927
37	20818	CABIN JOHN	MD	1,787
38	20896	GARRETT PARK	MD	840
39	20868	SPENCERVILLE	MD	630
40	20880	WASHINGTON GROVE	MD	604
41	20838	BARNESVILLE	MD	368
42	20812	GLEN ECHO	MD	282
43	20862	BRINKLOW	MD	268
44	20839	BEALSVILLE	MD	161
45	20889	BETHESDA	MD	158
46	20899	GAITHERSBURG	MD	143