Median age: zip codes ranked in Idaho

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 Idaho 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	83810	Cataldo	64	1,412
2	83612	Council	62	2,085
3	83251	Mackay	60.6	1,443
4	83833	Harrison	59.8	1,365
5	83622	Garden Valley	59.2	2,132
6	83553	Weippe	59	1,038
7	83539	Kooskia	58.8	2,427
8	83340	Ketchum	58.5	5,325
9	83813	Cocolalla	58	1,249
10	83226	Challis	57.2	2,100
11	83629	Horseshoe Bend	56.4	1,749
12	83332	Hagerman	56.3	2,569
13	83353	Sun Valley	56.1	1,450
14	83839	Kingston	55.1	1,287
15	83535	Juliaetta	53.4	1,143
16	83536	Kamiah	53	4,444
17	83845	Moyie Springs	52.6	2,202
18	83847	Naples	52.4	1,714
19	83615	Donnelly	51.7	1,452
20	83467	Salmon	51.6	6,590
21	83822	Oldtown	51.3	2,442
22	83524	Culdesac	50.9	1,050
23	83873	Wallace	50.8	1,569
24	83537	Kendrick	50.3	1,125
25	83876	Worley	50.1	1,563
26	83420	Ashton	49.4	2,580
27	83856	Priest River	49.3	6,885
28	83871	Troy	48.4	2,240
29	83860	Sagle	48.3	7,806
30	83654	New Meadows	48.2	1,763
31	83861	Saint Maries	48.1	7,275
32	83544	Orofino	47.7	6,798
33	83712	Boise	46.9	9,071
34	83236	Firth	46.9	1,840
35	83864	Sandpoint	46.8	20,514
36	83804	Blanchard	46.7	2,092
37	83814	Coeur D'alene	46.6	26,059
38	83616	Eagle	46.5	35,413
39	83611	Cascade	46.5	3,329
40	83855	Potlatch	46.4	2,260
41	83823	Deary	45.7	1,559
42	83452	Tetonia	45.3	2,237
43	83255	Moore	45.2	1,222
44	83835	Hayden	45	24,238
45	83250	McCammon	45	2,179
46	83869	Spirit Lake	44.9	5,504
47	83857	Princeton	44.8	1,074
48	83638	McCall	44.4	7,750
49	83631	Idaho City	44.3	1,916
50	83623	Glenns Ferry	43.9	1,521
51	83313	Bellevue	43.7	3,692
52	83672	Weiser	43.5	9,176
53	83850	Pinehurst	43.4	2,704
54	83213	Arco	43.2	1,349
55	83801	Athol	43.1	7,553
56	83333	Hailey	43	12,682
57	83617	Emmett	42.8	19,058
58	83241	Grace	42.7	2,488
59	83714	Garden City	42.6	27,564
60	83641	Melba	42.6	4,061
61	83624	Grand View	42.5	1,349
62	83703	Boise	42.3	17,583
63	83530	Grangeville	42.2	6,406
64	83805	Bonners Ferry	42.1	9,174
65	83245	Inkom	42.1	2,321
66	83811	Clark Fork	42.1	1,997
67	83849	Osburn	41.9	2,086
68	83702	Boise	41.8	24,163
69	83716	Boise	41.8	21,402
70	83852	Ponderay	41.7	1,515
71	83349	Richfield	41.5	1,211
72	83655	New Plymouth	41	5,748
73	83669	Star	40.9	16,827
74	83254	Montpelier	40.9	3,792
75	83540	Lapwai	40.8	2,096
76	83858	Rathdrum	40.7	20,137
77	83644	Middleton	40.5	16,293
78	83252	Malad City	40.5	4,707
79	83501	Lewiston	40.3	37,520
80	83815	Coeur D'alene	40.1	41,405
81	83346	Oakley	40	1,451
82	83713	Boise	39.9	31,549
83	83455	Victor	39.5	6,173
84	83434	Menan	38.9	1,816
85	83422	Driggs	38.7	3,847
86	83704	Boise	38.6	42,719
87	83661	Payette	38.4	11,105
88	83234	Downey	38.4	1,417
89	83619	Fruitland	38.3	8,823
90	83328	Filer	38.3	6,320
91	83639	Marsing	38.3	3,311
92	83676	Wilder	38.1	5,105
93	83522	Cottonwood	38.1	2,692
94	83204	Pocatello	38	18,580
95	83352	Shoshone	38	3,317
96	83228	Clifton	38	1,134
97	83642	Meridian	37.9	62,279
98	83316	Buhl	37.6	10,456
99	83660	Parma	37.5	6,434
100	83646	Meridian	37.4	76,023

Youngest zip codes (lowest median age)

#	Zip	City	Median age	Population
1	83844	Moscow	19.4	2,971
2	83440	Rexburg	21.3	51,421
3	83648	Mountain Home Afb	22.9	3,219
4	83448	Sugar City	26.7	3,365
5	83237	Franklin	27.3	1,567
6	83320	Carey	27.7	1,600
7	83427	Iona	27.9	2,931
8	83347	Paul	28	3,465
9	83286	Weston	29	1,668
10	83450	Terreton	29.3	1,207
11	83344	Murtaugh	29.4	1,234
12	83323	Declo	29.7	1,984
13	83843	Moscow	29.7	26,591
14	83443	Ririe	30.3	1,364
15	83706	Boise	30.5	35,524
16	83335	Hazelton	31.8	2,335
17	83401	Idaho Falls	31.9	47,972
18	83605	Caldwell	32.4	41,325
19	83201	Pocatello	32.6	39,902
20	83442	Rigby	32.9	25,609
21	83402	Idaho Falls	32.9	29,994
22	83210	Aberdeen	33.1	3,843
23	83318	Burley	33.2	19,459
24	83444	Roberts	33.4	1,261
25	83211	American Falls	33.4	6,743
26	83626	Greenleaf	33.7	1,935
27	83355	Wendell	33.7	5,469
28	83338	Jerome	33.7	21,944
29	83330	Gooding	33.8	7,347
30	83687	Nampa	33.8	43,135
31	83445	Saint Anthony	34.2	7,975
32	83221	Blackfoot	34.2	29,081
33	83341	Kimberly	34.5	9,531
34	83262	Pingree	34.6	1,090
35	83634	Kuna	34.6	36,286
36	83647	Mountain Home	34.9	22,952
37	83686	Nampa	35.1	60,993
38	83350	Rupert	35.2	12,671
39	83651	Nampa	35.2	38,121
40	83327	Fairfield	35.3	1,037
41	83607	Caldwell	35.4	35,491
42	83342	Malta	35.5	1,231
43	83628	Homedale	35.5	5,006
44	83202	Pocatello	35.5	24,513
45	83274	Shelley	35.6	11,699
46	83406	Idaho Falls	35.6	19,696
47	83276	Soda Springs	35.8	4,155
48	83301	Twin Falls	35.8	63,592
49	83431	Lewisville	36.4	1,045
50	83336	Heyburn	36.4	6,075
51	83705	Boise	36.4	26,830
52	83263	Preston	36.7	9,940
53	83404	Idaho Falls	36.7	27,500
54	83832	Genesee	36.8	1,961
55	83854	Post Falls	36.9	54,851
56	83709	Boise	36.9	58,928
57	83837	Kellogg	37	3,203
58	83334	Hansen	37.1	2,227
59	83851	Plummer	37.4	2,113
60	83646	Meridian	37.4	76,023
61	83660	Parma	37.5	6,434
62	83316	Buhl	37.6	10,456
63	83642	Meridian	37.9	62,279
64	83228	Clifton	38	1,134
65	83352	Shoshone	38	3,317
66	83204	Pocatello	38	18,580
67	83522	Cottonwood	38.1	2,692
68	83676	Wilder	38.1	5,105
69	83639	Marsing	38.3	3,311
70	83328	Filer	38.3	6,320
71	83619	Fruitland	38.3	8,823
72	83234	Downey	38.4	1,417
73	83661	Payette	38.4	11,105
74	83704	Boise	38.6	42,719
75	83422	Driggs	38.7	3,847
76	83434	Menan	38.9	1,816
77	83455	Victor	39.5	6,173
78	83713	Boise	39.9	31,549
79	83346	Oakley	40	1,451
80	83815	Coeur D'alene	40.1	41,405
81	83501	Lewiston	40.3	37,520
82	83252	Malad City	40.5	4,707
83	83644	Middleton	40.5	16,293
84	83858	Rathdrum	40.7	20,137
85	83540	Lapwai	40.8	2,096
86	83254	Montpelier	40.9	3,792
87	83669	Star	40.9	16,827
88	83655	New Plymouth	41	5,748
89	83349	Richfield	41.5	1,211
90	83852	Ponderay	41.7	1,515
91	83716	Boise	41.8	21,402
92	83702	Boise	41.8	24,163
93	83849	Osburn	41.9	2,086
94	83811	Clark Fork	42.1	1,997
95	83245	Inkom	42.1	2,321
96	83805	Bonners Ferry	42.1	9,174
97	83530	Grangeville	42.2	6,406
98	83703	Boise	42.3	17,583
99	83624	Grand View	42.5	1,349
100	83641	Melba	42.6	4,061

Median age: zip codes ranked in Idaho

Oldest zip codes (highest median age)

Youngest zip codes (lowest median age)

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