Cost of Living in Idaho

Avg Index: 95

25 cities · Updated March 2026

$1,200
Avg Rent / Month
$74,624
Avg Income
$363,804
Avg Home Value
95
Avg Cost Index
5.8%
Income Tax
6.0%
Sales Tax
Cheapest in Idaho
Blackfoot
Index: 63 · Rent: $798/mo
Most Expensive in Idaho
Eagle
Index: 157 · Rent: $1,753/mo

Idaho Cost of Living Overview

Idaho has a cost of living close to the national average, with an average index of 95 across its 25 tracked cities. The average monthly rent across Idaho cities is $1,200, with median household incomes averaging $74,624 per year. The cheapest city is Blackfoot (index 63) and the most expensive is Eagle (index 157).

Idaho has a moderate tax environment with a 5.8% top income tax rate, 6.0% sales tax, and 0.63% effective property tax rate.

All 25 Cities in Idaho — Ranked by Cost

Sorted from cheapest to most expensive (US average = 100)

#CityCost Index RentIncomeHome ValuePopulation
1 Blackfoot 63 $798/mo $69,091 $225,900 12,628
2 Burley 67 $920/mo $63,315 $213,700 11,721
3 Jerome 67 $900/mo $65,343 $214,900 12,689
4 Pocatello 67 $861/mo $57,931 $240,600 57,152
5 Lewiston 78 $938/mo $71,047 $290,900 34,471
6 Twin Falls 78 $1,011/mo $60,760 $279,400 53,219
7 Chubbuck 79 $917/mo $78,646 $313,700 15,900
8 Mountain Home 79 $1,061/mo $58,486 $270,700 16,265
9 Idaho Falls 80 $992/mo $69,630 $298,600 66,672
10 Moscow 82 $902/mo $56,497 $352,000 25,868
11 Rexburg 87 $959/mo $50,359 $384,000 39,589
12 Caldwell 89 $1,135/mo $66,663 $322,100 63,465
13 Ammon 92 $1,175/mo $84,154 $336,500 18,496
14 Middleton 92 $1,077/mo $83,681 $348,900 10,101
15 Nampa 97 $1,340/mo $72,122 $332,500 106,289
16 Garden 99 $1,206/mo $66,859 $411,400 12,483
17 Rathdrum 106 $1,412/mo $86,431 $381,800 10,133
18 Post Falls 108 $1,313/mo $73,313 $425,100 41,716
19 Coeur d'Alene 110 $1,328/mo $70,845 $451,600 55,558
20 Boise 112 $1,359/mo $81,308 $456,000 235,701
21 Kuna 118 $1,647/mo $93,545 $403,700 25,960
22 Hayden 121 $1,676/mo $77,534 $445,700 16,021
23 Meridian 131 $1,714/mo $98,686 $485,000 124,865
24 Star 131 $1,622/mo $91,318 $498,900 13,231
25 Eagle 157 $1,753/mo $118,037 $711,500 31,490

Frequently Asked Questions

Common questions about cost of living in Idaho

What is the cost of living in Idaho?
The average cost of living index across 25 cities in Idaho is 95 (US average = 100). Average rent is $1,200/month and median household income averages $74,624/year.
What is the cheapest city in Idaho?
The cheapest city in Idaho is Blackfoot with a cost index of 63, median rent of $798/month, and median income of $69,091/year.
What is the most expensive city in Idaho?
The most expensive city in Idaho is Eagle with a cost index of 157, median rent of $1,753/month, and median income of $118,037/year.
What are taxes like in Idaho?
Idaho has a top income tax rate of 5.8%, a sales tax of 6.0%, and an effective property tax rate of 0.63%.
How many cities does CostToLive cover in Idaho?
We track cost of living data for 25 cities in Idaho with populations of 10,000 or more, using US Census Bureau ACS 2023 data.