Montgomery County ZIP Codes

List of ZIP Codes in Montgomery County

The following table lists ZIP Codes associated with Montgomery County, Maryland, based on ZIP Code Tabulation Area (ZCTA) data from the U.S. Census Bureau.

S.N.	Zip Code	Latitude	Longitude	City	Population	Density
1	20812	38.96677	-77.14357	Glen Echo	314	685.4
2	20814	39.00506	-77.10295	Bethesda	30,822	2668.9
3	20815	38.98369	-77.07845	Chevy Chase	31,269	2242.2
4	20816	38.95612	-77.11873	Bethesda	18,081	1958.7
5	20817	38.99809	-77.14919	Bethesda	37,738	1037.9
6	20818	38.97347	-77.16188	Cabin John	1,602	666.4
7	20832	39.15134	-77.07331	Olney	25,766	1035.2
8	20833	39.20595	-77.05552	Brookeville	7,868	159.0
9	20837	39.11208	-77.40823	Poolesville	6,605	63.3
10	20838	39.22341	-77.37223	Barnesville	409	168.8
11	20839	39.17909	-77.41438	Bealsville	116	14.7
12	20841	39.1858	-77.32581	Boyds	9,706	138.1
13	20842	39.20831	-77.42473	Dickerson	2,093	14.5
14	20850	39.0908	-77.1809	Rockville	50,365	1377.4
15	20851	39.07767	-77.12089	Rockville	14,660	2232.5
16	20852	39.05134	-77.12507	Rockville	47,857	2288.4
17	20853	39.10237	-77.09462	Rockville	31,438	1344.1
18	20854	39.03413	-77.22149	Potomac	49,694	567.5
19	20855	39.13702	-77.13197	Derwood	16,557	489.0
20	20860	39.15072	-77.03069	Sandy Spring	2,062	220.6
21	20861	39.14653	-76.99886	Ashton	3,020	225.3
22	20862	39.18039	-77.01879	Brinklow	393	96.2
23	20866	39.10969	-76.93411	Burtonsville	16,499	906.5
24	20868	39.12534	-76.96834	Spencerville	384	91.2
25	20871	39.2592	-77.28187	Clarksburg	28,329	478.0
26	20872	39.29142	-77.21619	Damascus	13,138	255.1
27	20874	39.1291	-77.29721	Germantown	62,233	1059.7
28	20876	39.20706	-77.23284	Germantown	26,511	943.3
29	20877	39.14068	-77.18865	Gaithersburg	39,068	2674.2
30	20878	39.11376	-77.24781	Gaithersburg	65,236	1231.7
31	20879	39.16992	-77.17416	Gaithersburg	26,120	1170.5
32	20880	39.14077	-77.17456	Washington Grove	590	682.9
33	20882	39.23182	-77.14514	Gaithersburg	13,661	139.7
34	20886	39.17952	-77.197	Montgomery Village	34,419	3240.5
35	20889	39.00193	-77.09038	Bethesda	210	208.1
36	20892	39.0006	-77.10373	Bethesda	0	0.0
37	20894	38.99591	-77.10221	Bethesda	0	0.0
38	20895	39.02696	-77.07781	Kensington	19,042	1804.6
39	20896	39.03521	-77.09494	Garrett Park	890	1006.1
40	20899	39.14442	-77.21621	Gaithersburg	106	386.1
41	20901	39.02155	-77.00919	Silver Spring	37,338	2695.5
42	20902	39.04381	-77.0421	Silver Spring	53,170	2714.2
43	20903	39.02128	-76.9821	Silver Spring	25,540	2891.7
44	20904	39.06608	-76.97918	Silver Spring	57,244	1609.9
45	20905	39.11052	-76.99036	Silver Spring	18,268	598.5
46	20906	39.08858	-77.05522	Silver Spring	71,216	2159.4
47	20910	39.00227	-77.03634	Silver Spring	45,096	3788.4
48	20912	38.98182	-77.00106	Takoma Park	25,428	3664.7

About Montgomery County ZIP Codes

Montgomery County in Maryland (MD) is served by approximately 48 ZIP Codes. These codes cover residential neighborhoods, business districts, and rural areas that fall under the county's jurisdiction.

Based on ZIP-level population estimates, the total population covered by these ZIP Codes is around 1,068,171 people. Population and density values vary from one ZIP Code to another, reflecting the mix of dense urban communities and lower-density suburban or rural zones.

Many of the most significant population centers in Montgomery County are located in cities such as Silver Spring, Rockville, Gaithersburg, Germantown, Bethesda. These cities and towns help define the economic and demographic character of the county.

Most ZIP Codes in Montgomery County, Maryland follow the America/New_York time zone.

Montgomery County ZIP Codes

List of ZIP Codes in Montgomery County

About Montgomery County ZIP Codes

Maryland Counties ZIP Codes

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