What is the #1 most expensive cities in idaho?

#	City	Population	COL Index
1	Hidden Springs	3,490	230.1
2	Robie Creek	1,240	187.4
3	Sun Valley	1,383	185.9
4	Eagle	31,490	180.7
5	Avimor	1,289	176.3
6	Meridian	124,865	160.1
7	Ketchum	3,551	159.9
8	Star	13,231	153.9
9	Kuna	25,960	149.3
10	Dalton Gardens	2,526	143.5
11	Hayden	16,021	141.2
12	Boise City	235,701	138.9
13	Mountain Home AFB	3,198	138.3
14	Victor	3,024	137.4
15	Tyhee	1,475	136.7
16	Hailey	9,439	136.2
17	Rathdrum	10,133	135.1
18	Bellevue	2,571	135.1
19	Driggs	2,655	133.2
20	Riverside	1,126	131.5
21	Iona	2,882	131.1
22	Post Falls	41,716	126.9
23	Coeur d'Alene	55,558	126.4
24	Middleton	10,101	125.9
25	Kootenai	1,076	125.5
26	Lincoln	3,759	125.0
27	Ammon	18,496	123.9
28	Greenleaf	1,152	122.4
29	McCall	3,847	121.8
30	Nampa	106,289	121.6
31	Sandpoint	9,244	121.0
32	Genesee	1,312	120.7
33	Groveland	1,204	120.3
34	Garden City	12,483	120.3
35	Ucon	1,537	118.6
36	Chubbuck	15,900	117.3
37	Rigby	5,251	116.3
38	Sugar City	2,011	114.9
39	Caldwell	63,465	113.3
40	Lewiston	34,471	111.7
41	Spirit Lake	1,768	110.2
42	Kimberly	4,883	109.8
43	Shelley	4,987	109.0
44	Idaho Falls	66,672	108.2
45	Moreland	1,386	105.6
46	Heyburn	3,678	104.8
47	Twin Falls	53,219	104.6
48	Mountain Home	16,265	103.9
49	Malad City	2,441	103.8
50	Fruitland	6,405	103.3
51	Ponderay	1,456	103.2
52	Rexburg	39,589	102.5
53	Pinehurst	2,014	102.4
54	Moscow	25,868	102.3
55	Ashton	1,329	101.5
56	Blackfoot	12,628	101.0
57	Moyie Springs	1,420	100.1
58	Jerome	12,689	99.9
59	Emmett	7,948	99.4
60	Bonners Ferry	2,615	98.8
61	Filer	2,837	98.6
62	Burley	11,721	98.5
63	Paul	1,615	97.9
64	New Plymouth	1,863	97.0
65	Hagerman	1,198	96.6
66	Preston	5,800	95.3
67	Grangeville	3,443	94.9
68	Priest River	2,058	94.8
69	Orofino	3,254	94.6
70	Pocatello	57,152	94.4
71	Buhl	4,624	93.9
72	Payette	8,358	93.7
73	Cottonwood	1,138	93.1
74	Wilder	1,690	91.7
75	Carey	1,197	91.5
76	Shoshone	1,985	91.3
77	Lapwai	1,041	91.3
78	Aberdeen	2,418	90.8
79	Parma	1,836	90.4
80	Marsing	1,245	90.1
81	St. Maries	3,032	89.3
82	Wendell	2,940	89.0
83	Homedale	3,006	88.9
84	American Falls	4,636	88.4
85	Rupert	6,157	88.0
86	Plummer	1,055	87.6
87	Wallace	1,127	86.5
88	St. Anthony	3,818	86.1
89	Kellogg	2,232	85.8
90	Soda Springs	3,150	85.3
91	Weiser	5,803	85.3
92	Glenns Ferry	1,443	84.9
93	Montpelier	2,681	82.6
94	Grace	1,345	82.5
95	Hansen	1,414	81.1
96	Osburn	1,728	81.0
97	Gooding	3,731	76.9
98	Salmon	3,196	74.4
99	Fort Hall	2,343	70.0
100	Kamiah	1,053	69.5

Methodology

Cities in Idaho are ranked by col index. Only cities with populations above 1,000 are included. Data sourced from BLS / C2ER. Last updated 2026.

Frequently Asked Questions

What is the #1 most expensive cities in idaho?: Hidden Springs ranks #1 with 230.1 (col index).
What are the top 5 most expensive cities in idaho?: 1. Hidden Springs (230.1), 2. Robie Creek (187.4), 3. Sun Valley (185.9), 4. Eagle (180.7), 5. Avimor (176.3)
How many cities in Idaho are ranked?: This ranking includes 100 cities in Idaho with available data.

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