Median age: zip codes ranked in South Dakota

Half of residents are older than this, half younger. Retirement areas run 50+, college towns can be in the low 20s. These lists rank zip codes in South Dakota with at least 1,000 residents, using the Census Bureau's American Community Survey 5-year estimates.

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Oldest zip codes (highest median age)

#	Zip	City	Median age	Population
1	57437	Eureka	63.3	1,074
2	57732	Deadwood	61.5	1,714
3	57747	Hot Springs	60.1	5,839
4	57730	Custer	57.9	5,596
5	57075	Wentworth	56.8	1,296
6	57382	Wessington Springs	55.6	1,180
7	57754	Lead	54.5	3,749
8	57216	Big Stone City	53	1,584
9	57567	Philip	52.5	1,056
10	57744	Hermosa	52.2	2,421
11	57442	Gettysburg	51.6	1,772
12	57068	Valley Springs	51.5	1,603
13	57066	Tyndall	50.8	1,424
14	57249	Lake Preston	50.6	1,023
15	57225	Clark	50.4	1,833
16	57469	Redfield	48.6	2,866
17	57260	Rosholt	48.6	1,119
18	57030	Garretson	48.1	2,510
19	57055	Renner	47.9	1,404
20	57702	Rapid City	47.8	35,595
21	57523	Burke	47.4	1,041
22	57638	Lemmon	47.1	1,852
23	57212	Arlington	46.8	1,819
24	57349	Howard	46.3	1,513
25	57793	Whitewood	45.7	2,173
26	57252	Milbank	45.6	4,883
27	57328	Corsica	45.3	1,290
28	57430	Britton	45	1,828
29	57355	Kimball	44.7	1,120
30	57013	Canton	44.6	4,504
31	57769	Piedmont	44.5	4,029
32	57385	Woonsocket	44.5	1,408
33	57362	Miller	44.3	1,967
34	57001	Alcester	44.3	1,540
35	57231	De Smet	44.2	1,724
36	57014	Centerville	44.2	1,667
37	57043	Marion	43.8	1,630
38	57580	Winner	43.7	4,386
39	57273	Waubay	43.6	1,165
40	57735	Edgemont	43.5	1,727
41	57020	Crooks	43.4	1,622
42	57038	Jefferson	43.2	1,796
43	57042	Madison	43.1	7,756
44	57532	Fort Pierre	43.1	2,929
45	57226	Clear Lake	42.9	1,953
46	57078	Yankton	42.7	20,383
47	57058	Salem	42.7	1,881
48	57718	Black Hawk	42.6	7,937
49	57761	New Underwood	42.6	1,180
50	57048	Montrose	42.2	1,237
51	57472	Selby	42	1,165
52	57018	Colton	41.7	1,495
53	57274	Webster	41.5	2,621
54	57311	Alexandria	41.5	1,389
55	57601	Mobridge	41.4	3,422
56	57062	Springfield	41.4	2,484
57	57785	Sturgis	41.2	10,874
58	57451	Ipswich	41.2	2,485
59	57017	Colman	41.2	1,628
60	57783	Spearfish	41	17,248
61	57004	Beresford	41	3,834
62	57790	Wall	41	1,147
63	57039	Lennox	40.9	3,622
64	57745	Hill City	40.9	1,894
65	57045	Menno	40.9	1,151
66	57366	Parkston	40.8	2,598
67	57533	Gregory	40.6	1,674
68	57070	Viborg	40.1	1,469
69	57028	Flandreau	40	3,450
70	57049	North Sioux City	39.8	7,962
71	57033	Hartford	39.8	5,576
72	57368	Plankinton	39.8	1,068
73	57301	Mitchell	39.7	19,104
74	57201	Watertown	39.6	26,781
75	57501	Pierre	39.6	17,326
76	57325	Chamberlain	39.5	3,335
77	57025	Elk Point	39.5	3,120
78	57313	Armour	39.5	1,220
79	57022	Dell Rapids	39.4	5,339
80	57717	Belle Fourche	39.2	8,983
81	57029	Freeman	39.1	2,155
82	57703	Rapid City	38.4	18,013
83	57445	Groton	38.3	2,072
84	57701	Rapid City	37.9	45,795
85	57103	Sioux Falls	37.9	35,582
86	57108	Sioux Falls	37.7	33,966
87	57105	Sioux Falls	37.7	23,287
88	57579	White River	37.6	1,277
89	57234	Estelline	37.5	1,339
90	57356	Lake Andes	37.3	1,959
91	57401	Aberdeen	37.2	31,939
92	57350	Huron	37.2	16,199
93	57005	Brandon	36.9	12,290
94	57059	Scotland	36.9	1,242
95	57077	Worthing	36.7	1,417
96	57053	Parker	36.4	2,220
97	57110	Sioux Falls	36.1	23,313
98	57551	Martin	36	2,084
99	57012	Canistota	36	1,168
100	57369	Platte	35.7	2,630

Youngest zip codes (lowest median age)

#	Zip	City	Median age	Population
1	57566	Parmelee	18.2	1,184
2	57007	Brookings	19.3	2,377
3	57339	Fort Thompson	21.3	1,390
4	57714	Allen	21.7	1,144
5	57706	Ellsworth Afb	21.7	2,787
6	57794	Wounded Knee	22.1	1,191
7	57756	Manderson	22.7	1,089
8	57069	Vermillion	23.9	13,091
9	57548	Lower Brule	24	1,442
10	57752	Kyle	24	1,553
11	57278	Willow Lake	24.6	1,011
12	57572	Saint Francis	24.7	1,317
13	57570	Rosebud	25.8	2,071
14	57221	Bryant	26.8	1,158
15	57248	Lake Norden	27.5	1,295
16	57625	Eagle Butte	27.7	3,775
17	57656	Timber Lake	28.1	1,000
18	57642	Mc Laughlin	28.1	1,969
19	57772	Porcupine	28.5	2,493
20	57006	Brookings	28.7	24,192
21	57555	Mission	29.1	3,740
22	57770	Pine Ridge	29.2	5,483
23	57002	Aurora	30.1	1,674
24	57071	Volga	30.3	3,149
25	57764	Oglala	31.2	1,416
26	57032	Harrisburg	31.5	10,467
27	57107	Sioux Falls	31.8	12,605
28	57262	Sisseton	31.9	5,100
29	57719	Box Elder	32.1	12,221
30	57380	Wagner	32.3	3,316
31	57064	Tea	32.6	8,032
32	57334	Ethan	33	1,081
33	57003	Baltic	33.2	2,274
34	57106	Sioux Falls	34	51,907
35	57035	Humboldt	34.1	1,591
36	57223	Castlewood	34.3	1,429
37	57104	Sioux Falls	34.4	26,963
38	57026	Elkton	34.9	1,531
39	57315	Avon	35.1	1,094
40	57384	Wolsey	35.4	1,077
41	57369	Platte	35.7	2,630
42	57012	Canistota	36	1,168
43	57551	Martin	36	2,084
44	57110	Sioux Falls	36.1	23,313
45	57053	Parker	36.4	2,220
46	57077	Worthing	36.7	1,417
47	57059	Scotland	36.9	1,242
48	57005	Brandon	36.9	12,290
49	57350	Huron	37.2	16,199
50	57401	Aberdeen	37.2	31,939
51	57356	Lake Andes	37.3	1,959
52	57234	Estelline	37.5	1,339
53	57579	White River	37.6	1,277
54	57105	Sioux Falls	37.7	23,287
55	57108	Sioux Falls	37.7	33,966
56	57103	Sioux Falls	37.9	35,582
57	57701	Rapid City	37.9	45,795
58	57445	Groton	38.3	2,072
59	57703	Rapid City	38.4	18,013
60	57029	Freeman	39.1	2,155
61	57717	Belle Fourche	39.2	8,983
62	57022	Dell Rapids	39.4	5,339
63	57313	Armour	39.5	1,220
64	57025	Elk Point	39.5	3,120
65	57325	Chamberlain	39.5	3,335
66	57501	Pierre	39.6	17,326
67	57201	Watertown	39.6	26,781
68	57301	Mitchell	39.7	19,104
69	57368	Plankinton	39.8	1,068
70	57033	Hartford	39.8	5,576
71	57049	North Sioux City	39.8	7,962
72	57028	Flandreau	40	3,450
73	57070	Viborg	40.1	1,469
74	57533	Gregory	40.6	1,674
75	57366	Parkston	40.8	2,598
76	57045	Menno	40.9	1,151
77	57745	Hill City	40.9	1,894
78	57039	Lennox	40.9	3,622
79	57790	Wall	41	1,147
80	57004	Beresford	41	3,834
81	57783	Spearfish	41	17,248
82	57017	Colman	41.2	1,628
83	57451	Ipswich	41.2	2,485
84	57785	Sturgis	41.2	10,874
85	57062	Springfield	41.4	2,484
86	57601	Mobridge	41.4	3,422
87	57311	Alexandria	41.5	1,389
88	57274	Webster	41.5	2,621
89	57018	Colton	41.7	1,495
90	57472	Selby	42	1,165
91	57048	Montrose	42.2	1,237
92	57761	New Underwood	42.6	1,180
93	57718	Black Hawk	42.6	7,937
94	57058	Salem	42.7	1,881
95	57078	Yankton	42.7	20,383
96	57226	Clear Lake	42.9	1,953
97	57532	Fort Pierre	43.1	2,929
98	57042	Madison	43.1	7,756
99	57038	Jefferson	43.2	1,796
100	57020	Crooks	43.4	1,622

Median age: zip codes ranked in South Dakota

Oldest zip codes (highest median age)

Youngest zip codes (lowest median age)

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