Is it cheaper to live in Boise or Phoenix?

Boise, ID is cheaper. Its monthly baseline of $1,260 (1BR rent + utilities) runs about 12% below Phoenix, AZ's $1,430, mainly because of rent.

How much more do you need to earn to live in Boise than in Phoenix?

To keep rent near the recommended 30% of gross income, you'd want to earn roughly $45,000 a year in Boise versus $50,000 in Phoenix.

Which has lower taxes, Boise or Phoenix?

Boise is taxed under Idaho's rules (a top state income tax rate of 5.30% and a 6% state sales tax); Phoenix under Arizona's (a top state income tax rate of 2.50% and a 5.6% state sales tax).

Boise vs Phoenix Cost of Living 2026

Boise

Idaho

$1,260/mo est.

Phoenix

Arizona

$1,430/mo est.

Monthly estimate = 1BR rent + electricity + gas

A one-person monthly baseline (1BR rent plus typical utilities) runs $1,260 in Boise, ID versus $1,430 in Phoenix, AZ. Overall, Boise, ID is roughly 12% cheaper to live in day-to-day than Phoenix, AZ, driven mainly by rent.

Median household income is $81,308 in Boise, ID and $77,041 in Phoenix, AZ — about 5% higher in Boise, ID. Idaho has a top state income tax rate of 5.30% and a 6% state sales tax; Arizona has a top state income tax rate of 2.50% and a 5.6% state sales tax.

Boise, ID

Phoenix, AZ

Rent

Studio

$1,021

$1,127

+10% in Phoenix, AZ

1 Bedroom

$1,133

$1,253

+11% in Phoenix, AZ

2 Bedroom

$1,342

$1,493

+11% in Phoenix, AZ

3 Bedroom

$1,749

$1,771

+1% in Phoenix, AZ

Buying a Home

Median Home Value

$456,000

$381,900

+16% in Boise, ID

Income

Median Household Income

$81,308

$77,041

+5% in Boise, ID

Metro Median Wage (annual)

$49,100

$51,380

+5% in Phoenix, AZ

People & Lifestyle

Median Age

38.2 yr

34.8 yr

+3.4 yr in Boise, ID

Homeownership

63.0%

57.1%

+5.9 pp in Boise, ID

Bachelor's+ (25+)

46.6%

32.3%

+14.3 pp in Boise, ID

Avg Commute

19.1 min

25.7 min

+6.6 min in Phoenix, AZ

Crime (per 100k/yr)

Violent Crime

301

799.6

+166% in Phoenix, AZ

Property Crime

1,135.1

2,338.9

+106% in Phoenix, AZ

FBI Crime Data Explorer. Offenses per 100,000 residents per year; agency reporting practices vary, so this is approximate.

Climate

Avg Annual Temperature

52.5°F

75.1°F

+22.6°F in Phoenix, AZ

Annual Precipitation

11.7 in

8.2 in

+3.6 in in Boise, ID

Gas

Regular Gasoline

$4.29/gal

$5.09/gal

+19% in Phoenix, AZ

Area: Rocky Mountain (PADD 4) vs West Coast (PADD 5).

Public Transit

Base Fare (one-way)

—

$2.00

Adult base one-way fare — — vs Valley Metro (2026).

Utilities

Electricity (¢/kWh)

12.3

15.2

+23% in Phoenix, AZ

Natural Gas ($/MCF)

$10.82

$22.44

+107% in Phoenix, AZ

Residential, state-level averages (EIA). MCF = 1,000 cubic feet.

Groceries

Milk (gal)

$4.82

about equal

Bread (lb)

$2.04

about equal

Eggs (doz)

$2.19

about equal

Ground Beef (lb)

$7.36

about equal

Chicken (lb)

$2.01

about equal

Bananas (lb)

$0.70

about equal

Average prices — West vs West (BLS). Regional where available, otherwise U.S. average.

State Taxes

Sales Tax (ID / AZ)

5.6%

+0.4 pp in ID

Income Tax (top rate)

5.30%

2.50%

+2.8 pp in ID

Boise vs Phoenix — FAQ

Is it cheaper to live in Boise or Phoenix?: Boise, ID is cheaper. Its monthly baseline of $1,260 (1BR rent + utilities) runs about 12% below Phoenix, AZ's $1,430, mainly because of rent.
How much more do you need to earn to live in Boise than in Phoenix?: To keep rent near the recommended 30% of gross income, you'd want to earn roughly $45,000 a year in Boise versus $50,000 in Phoenix.
Which has lower taxes, Boise or Phoenix?: Boise is taxed under Idaho's rules (a top state income tax rate of 5.30% and a 6% state sales tax); Phoenix under Arizona's (a top state income tax rate of 2.50% and a 5.6% state sales tax).

Sources: US Census Bureau, ACS 5-Year (rent, income, home value, demographics); NOAA Climate Normals 1981–2010 (climate); EIA weekly retail (gas); Tax Foundation 2026 (state taxes).