Cheapest Cities in Idaho

Most affordable cities in Idaho (population > 5,000) ranked by cost of living index.

Data current as of September 2026. Sources: US Census Bureau, Zillow, HUD, BEA.

#	City	Cost Index	Income	Rent	Population
1	Rupert	73	$54,444	$835/mo	6,157
2	Blackfoot	75	$69,091	$798/mo	12,628
3	Weiser	76	$45,463	$908/mo	5,803
4	Jerome	76	$65,343	$900/mo	12,689
5	Pocatello	77	$57,931	$861/mo	57,152
6	Burley	78	$63,315	$920/mo	11,721
7	Payette	78	$55,455	$846/mo	8,358
8	Preston	80	$55,625	$794/mo	5,800
9	Lewiston	83	$71,047	$938/mo	34,471
10	Emmett	83	$58,523	$854/mo	7,948
11	Chubbuck	85	$78,646	$917/mo	15,900
12	Fruitland	85	$62,703	$950/mo	6,405
13	Twin Falls	85	$60,760	$1,011/mo	53,219
14	Rigby	85	$78,278	$1,035/mo	5,251
15	Idaho Falls	86	$69,630	$992/mo	66,672
16	Mountain Home	87	$58,486	$1,061/mo	16,265
17	Moscow	89	$56,497	$902/mo	25,868
18	Rexburg	93	$50,359	$959/mo	39,589
19	Caldwell	94	$66,663	$1,135/mo	63,465
20	Middleton	94	$83,681	$1,077/mo	10,101
21	Ammon	95	$84,154	$1,175/mo	18,496
22	Nampa	101	$72,122	$1,340/mo	106,289
23	Sandpoint	101	$67,769	$1,047/mo	9,244
24	Garden City	103	$66,859	$1,206/mo	12,483
25	Rathdrum	108	$86,431	$1,412/mo	10,133
26	Post Falls	109	$73,313	$1,313/mo	41,716
27	Coeur d'Alene	111	$70,845	$1,328/mo	55,558
28	Boise City	112	$81,308	$1,359/mo	235,701
29	Hailey	116	$83,084	$1,196/mo	9,439
30	Kuna	116	$93,545	$1,647/mo	25,960
31	Hayden	122	$77,534	$1,676/mo	16,021
32	Star	123	$91,318	$1,622/mo	13,231
33	Meridian	125	$98,686	$1,714/mo	124,865
34	Eagle	144	$118,037	$1,753/mo	31,490

See also: Most Expensive Cities in Idaho · Idaho Overview