Is it cheaper to live in Rapid City or Tucson?

Rapid City, SD is cheaper. Its monthly baseline of $970 (1BR rent + utilities) runs about 9% below Tucson, AZ's $1,070, mainly because of rent.

How much more do you need to earn to live in Rapid City than in Tucson?

To keep rent near the recommended 30% of gross income, you'd want to earn roughly $32,000 a year in Rapid City versus $36,000 in Tucson.

Which has lower taxes, Rapid City or Tucson?

Rapid City is taxed under South Dakota's rules (no state income tax and a 4.2% state sales tax); Tucson under Arizona's (a top state income tax rate of 2.50% and a 5.6% state sales tax).

Rapid City vs Tucson Cost of Living 2026

Rapid City

South Dakota

$970/mo est.

Tucson

Arizona

$1,070/mo est.

Monthly estimate = 1BR rent + electricity + gas

A one-person monthly baseline (1BR rent plus typical utilities) runs $970 in Rapid City, SD versus $1,070 in Tucson, AZ. Overall, Rapid City, SD is roughly 9% cheaper to live in day-to-day than Tucson, AZ, driven mainly by rent.

Median household income is $65,712 in Rapid City, SD and $54,546 in Tucson, AZ — about 17% higher in Rapid City, SD. South Dakota has no state income tax and a 4.2% state sales tax; Arizona has a top state income tax rate of 2.50% and a 5.6% state sales tax.

Rapid City, SD

Tucson, AZ

Rent

Studio

$533

$795

+49% in Tucson, AZ

1 Bedroom

$807

$891

+10% in Tucson, AZ

2 Bedroom

$1,156

$1,146

+1% in Rapid City, SD

3 Bedroom

$1,260

$1,520

+21% in Tucson, AZ

Buying a Home

Median Home Value

$270,000

$242,200

+10% in Rapid City, SD

Income

Median Household Income

$65,712

$54,546

+17% in Rapid City, SD

Metro Median Wage (annual)

$46,270

$47,760

+3% in Tucson, AZ

People & Lifestyle

Median Age

39.0 yr

34.6 yr

+4.4 yr in Rapid City, SD

Homeownership

61.6%

51.7%

+9.9 pp in Rapid City, SD

Bachelor's+ (25+)

36.4%

30.2%

+6.2 pp in Rapid City, SD

Avg Commute

17.4 min

22.2 min

+4.8 min in Tucson, AZ

Crime (per 100k/yr)

Violent Crime

718.9

645.8

+10% in Rapid City, SD

Property Crime

3,795.8

3,460

+9% in Rapid City, SD

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

Climate

Avg Annual Temperature

47.1°F

70.2°F

+23.1°F in Tucson, AZ

Annual Precipitation

16.3 in

11.6 in

+4.7 in in Rapid City, SD

Gas

Regular Gasoline

$3.85/gal

$5.21/gal

+35% in Tucson, AZ

Area: Midwest (PADD 2) vs West Coast (PADD 5).

Public Transit

Base Fare (one-way)

—

Free

Adult base one-way fare — — vs Sun Tran (2026).

Utilities

Electricity (¢/kWh)

15.4

15.2

+1% in Rapid City, SD

Natural Gas ($/MCF)

$15.26

$24.74

+62% in Tucson, AZ

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

Groceries

Milk (gal)

$4.31

$4.82

+12% in Tucson, AZ

Bread (lb)

$1.66

$2.04

+23% in Tucson, AZ

Eggs (doz)

$3.63

$2.19

+40% in Rapid City, SD

Ground Beef (lb)

$6.77

$7.36

+9% in Tucson, AZ

Chicken (lb)

$2.10

$2.01

+4% in Rapid City, SD

Bananas (lb)

$0.62

$0.70

+14% in Tucson, AZ

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

State Taxes

Sales Tax (SD / AZ)

4.2%

5.6%

+1.4 pp in AZ

Income Tax (top rate)

None

2.50%

+2.5 pp in AZ

Rapid City vs Tucson — FAQ

Is it cheaper to live in Rapid City or Tucson?: Rapid City, SD is cheaper. Its monthly baseline of $970 (1BR rent + utilities) runs about 9% below Tucson, AZ's $1,070, mainly because of rent.
How much more do you need to earn to live in Rapid City than in Tucson?: To keep rent near the recommended 30% of gross income, you'd want to earn roughly $32,000 a year in Rapid City versus $36,000 in Tucson.
Which has lower taxes, Rapid City or Tucson?: Rapid City is taxed under South Dakota's rules (no state income tax and a 4.2% state sales tax); Tucson 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).