Diversity index: zip codes ranked in Maryland

The chance that two residents picked at random belong to different racial or ethnic groups. 0 means everyone is in the same group; 50+ is very mixed. The U.S. overall scores about 61. These lists rank zip codes in Maryland with at least 1,000 residents, using the Census Bureau's American Community Survey 5-year estimates.

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Most diverse zip codes

#	Zip	City	Diversity	Population
1	20874	Germantown	77.3	62,738
2	20876	Germantown	76.6	26,406
3	20879	Gaithersburg	76.5	25,264
4	20906	Silver Spring	76.1	70,595
5	20886	Montgomery Village	76.1	34,718
6	20740	College Park	75.9	36,847
7	20905	Silver Spring	75.5	19,004
8	20723	Laurel	74.9	36,866
9	21075	Elkridge	73.7	37,363
10	20871	Clarksburg	73.6	30,182
11	20755	Fort George G Meade	73.3	11,225
12	20675	Pomfret	72.9	1,796
13	21076	Hanover	72.3	24,268
14	20901	Silver Spring	72.2	36,435
15	20860	Sandy Spring	72.2	2,035
16	20912	Takoma Park	72	25,749
17	20866	Burtonsville	72	15,986
18	20850	Rockville	71.9	50,353
19	20855	Derwood	71.9	17,279
20	21045	Columbia	71.8	40,034
21	20769	Glenn Dale	71.5	6,947
22	21044	Columbia	70.9	44,114
23	20759	Fulton	70.7	6,624
24	20910	Silver Spring	70.6	45,943
25	20878	Gaithersburg	70.4	66,115
26	20902	Silver Spring	70.4	54,261
27	21703	Frederick	70.3	41,960
28	20724	Laurel	70.3	19,369
29	20705	Beltsville	70.2	28,713
30	20707	Laurel	69.8	37,278
31	21250	Baltimore	69.7	2,834
32	20851	Rockville	69.6	14,946
33	20853	Rockville	69.4	31,851
34	21144	Severn	69.3	37,118
35	20841	Boyds	69.1	9,969
36	20782	Hyattsville	69	34,293
37	20781	Hyattsville	69	13,352
38	20762	Andrews Air Force Base	68.9	3,130
39	20877	Gaithersburg	68.7	38,546
40	21225	Brooklyn	68.6	34,062
41	21061	Glen Burnie	68.5	57,230
42	20904	Silver Spring	68.3	58,646
43	21040	Edgewood	68	24,960
44	21704	Frederick	67.9	20,006
45	21043	Ellicott City	67.8	48,525
46	20763	Savage	67.7	2,601
47	20742	College Park	67.6	4,350
48	20715	Bowie	67.4	26,915
49	21113	Odenton	67.1	36,705
50	20770	Greenbelt	66.9	28,384
51	20794	Jessup	66.7	16,814
52	20852	Rockville	66.4	48,180
53	21402	Annapolis	66.4	4,303
54	20861	Ashton	66.2	2,890
55	21237	Rosedale	66.1	31,425
56	21163	Woodstock	66.1	7,539
57	21702	Frederick	66	49,605
58	21228	Catonsville	65.8	50,492
59	20722	Brentwood	65.8	6,264
60	21046	Columbia	65.7	15,608
61	20693	Welcome	65.4	1,496
62	21030	Cockeysville	65.2	25,827
63	20670	Patuxent River	65.2	2,046
64	21005	Aberdeen Proving Ground	65	2,202
65	21252	Towson	64.9	4,865
66	20712	Mount Rainier	64.8	9,563
67	21001	Aberdeen	64.7	27,168
68	21202	Baltimore	64.6	20,683
69	21029	Clarksville	64.4	13,607
70	21226	Curtis Bay	64.4	6,674
71	21236	Nottingham	64.2	39,514
72	20653	Lexington Park	64.1	26,852
73	21054	Gambrills	63.9	16,386
74	21826	Fruitland	63.8	5,451
75	20640	Indian Head	63.7	10,685
76	21060	Glen Burnie	63.6	39,730
77	20903	Silver Spring	63.6	24,815
78	21205	Baltimore	63.6	13,013
79	20832	Olney	63.3	25,553
80	21224	Baltimore	63.2	47,465
81	21136	Reisterstown	63.2	32,088
82	21212	Baltimore	63.1	33,974
83	21220	Middle River	62.9	42,824
84	21801	Salisbury	62.9	30,088
85	21230	Baltimore	62.6	32,977
86	21117	Owings Mills	62.5	62,816
87	20872	Damascus	61.6	13,983
88	21227	Halethorpe	61.5	34,907
89	21210	Baltimore	61.4	14,134
90	21804	Salisbury	61.3	40,430
91	21613	Cambridge	61	17,926
92	21231	Baltimore	61	14,969
93	21208	Pikesville	60.8	37,276
94	20745	Oxon Hill	60.8	28,605
95	21234	Parkville	60.7	66,334
96	20634	Great Mills	60.7	7,088
97	20601	Waldorf	60.4	26,945
98	20854	Potomac	59.9	50,498
99	21042	Ellicott City	59.9	43,327
100	21221	Essex	59.8	43,487

Least diverse zip codes

#	Zip	City	Diversity	Population
1	21719	Cascade	0	1,178
2	21555	Oldtown	2.2	1,470
3	21521	Barton	2.4	1,400
4	21536	Grantsville	2.6	3,833
5	21912	Warwick	3.6	1,536
6	20688	Solomons	4.3	1,290
7	21530	Flintstone	4.5	1,404
8	21562	Westernport	5.7	3,032
9	21782	Sharpsburg	8.2	3,704
10	21780	Sabillasville	8.5	2,159
11	21557	Rawlings	8.6	1,481
12	21531	Friendsville	8.8	2,487
13	21734	Funkstown	9.5	1,076
14	21550	Oakland	9.7	13,691
15	21756	Keedysville	10	3,640
16	21713	Boonsboro	10.5	9,846
17	21161	White Hall	11.1	5,221
18	21053	Freeland	11.6	2,929
19	21520	Accident	11.7	1,918
20	21779	Rohrersville	12	1,311
21	21155	Upperco	12	3,313
22	21561	Swanton	12.2	2,412
23	21539	Lonaconing	12.3	1,975
24	21791	Union Bridge	12.6	5,340
25	21722	Clear Spring	12.6	6,721
26	21132	Pylesville	13.6	3,160
27	21919	Earleville	13.7	3,626
28	21154	Street	13.7	6,544
29	21131	Phoenix	13.8	7,141
30	20690	Tall Timbers	14	1,077
31	21767	Maugansville	15.3	1,031
32	21111	Monkton	15.8	4,714
33	21750	Hancock	16	3,417
34	21915	Chesapeake City	16.7	2,471
35	21084	Jarrettsville	16.9	7,070
36	21849	Parsonsburg	17	3,388
37	21668	Sudlersville	17.4	2,011
38	21757	Keymar	17.7	2,671
39	21635	Galena	17.8	2,085
40	21050	Forest Hill	18.5	17,466
41	21087	Kingsville	18.6	5,537
42	21783	Smithsburg	18.9	9,910
43	21160	Whiteford	19	2,441
44	21788	Thurmont	19.2	11,654
45	21216	Baltimore	19.3	29,426
46	21102	Manchester	19.9	12,162
47	21776	New Windsor	20	6,261
48	21773	Myersville	20.2	5,826
49	21532	Frostburg	20.9	13,647
50	21918	Conowingo	21.5	4,169
51	21034	Darlington	21.7	2,846
52	21013	Baldwin	21.7	5,610
53	21617	Centreville	21.8	10,428
54	21074	Hampstead	22.1	14,777
55	21661	Rock Hall	22.3	2,613
56	21545	Mount Savage	22.6	1,694
57	21666	Stevensville	23.6	14,394
58	21140	Riva	24	4,417
59	21048	Finksburg	24.3	10,481
60	21146	Severna Park	24.3	28,591
61	21795	Williamsport	24.4	10,144
62	21219	Sparrows Point	24.6	9,565
63	20746	Suitland	24.8	27,156
64	21120	Parkton	25.2	7,440
65	21035	Davidsonville	25.2	7,879
66	21904	Port Deposit	25.3	6,233
67	21842	Ocean City	25.5	11,226
68	21654	Oxford	26.2	1,179
69	20733	Churchton	26.2	2,669
70	21047	Fallston	26.2	13,852
71	21911	Rising Sun	26.4	10,551
72	20659	Mechanicsville	26.4	24,324
73	21769	Middletown	26.7	11,965
74	20774	Upper Marlboro	26.7	51,816
75	21733	Fairplay	26.8	1,275
76	20747	District Heights	27.7	38,301
77	21037	Edgewater	27.8	20,854
78	21157	Westminster	27.8	38,984
79	20778	West River	28	2,211
80	21158	Westminster	28	22,083
81	20721	Bowie	28.3	31,032
82	21813	Bishopville	28.4	2,999
83	21213	Baltimore	28.5	28,058
84	21787	Taneytown	28.6	11,645
85	21541	Mc Henry	28.9	1,335
86	21057	Glen Arm	29.1	4,386
87	21838	Marion Station	29.3	1,873
88	21917	Colora	29.4	2,233
89	21619	Chester	29.6	6,152
90	21771	Mount Airy	29.8	33,031
91	21152	Sparks Glencoe	30.7	6,459
92	21874	Willards	31.2	1,693
93	21502	Cumberland	31.6	41,015
94	21015	Bel Air	31.7	30,013
95	21032	Crownsville	31.8	8,850
96	21901	North East	31.8	19,514
97	20776	Harwood	31.9	3,315
98	21028	Churchville	32	3,103
99	20676	Port Republic	32.4	3,218
100	21636	Goldsboro	32.6	1,097

Diversity index: zip codes ranked in Maryland

Most diverse zip codes

Least diverse zip codes

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