Is it cheaper to live in Columbia or Rapid City?

Rapid City, SD is cheaper. Its monthly baseline of $970 (1BR rent + utilities) runs about 20% below Columbia, SC's $1,220, mainly because of rent.

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

To keep rent near the recommended 30% of gross income, you'd want to earn roughly $41,000 a year in Columbia versus $32,000 in Rapid City.

Which has lower taxes, Columbia or Rapid City?

Columbia is taxed under South Carolina's rules (a top state income tax rate of 6.00% and a 6% state sales tax); Rapid City under South Dakota's (no state income tax and a 4.2% state sales tax).

Columbia vs Rapid City Cost of Living 2026

Columbia

South Carolina

$1,220/mo est.

Rapid City

South Dakota

$970/mo est.

Monthly estimate = 1BR rent + electricity + gas

A one-person monthly baseline (1BR rent plus typical utilities) runs $1,220 in Columbia, SC versus $970 in Rapid City, SD. Overall, Rapid City, SD is roughly 20% cheaper to live in day-to-day than Columbia, SC, driven mainly by rent.

Median household income is $55,653 in Columbia, SC and $65,712 in Rapid City, SD — about 15% higher in Rapid City, SD. South Carolina has a top state income tax rate of 6.00% and a 6% state sales tax; South Dakota has no state income tax and a 4.2% state sales tax.

Columbia, SC

Rapid City, SD

Rent

Studio

$802

$533

+34% in Columbia, SC

1 Bedroom

$1,026

$807

+21% in Columbia, SC

2 Bedroom

$1,164

$1,156

+1% in Columbia, SC

3 Bedroom

$1,338

$1,260

+6% in Columbia, SC

Buying a Home

Median Home Value

$243,500

$270,000

+11% in Rapid City, SD

Income

Median Household Income

$55,653

$65,712

+18% in Rapid City, SD

Metro Median Wage (annual)

$46,430

$46,270

+0% in Columbia, SC

People & Lifestyle

Median Age

28.7 yr

39.0 yr

+10.3 yr in Rapid City, SD

Homeownership

47.3%

61.6%

+14.3 pp in Rapid City, SD

Bachelor's+ (25+)

46.1%

36.4%

+9.7 pp in Columbia, SC

Avg Commute

17.4 min

about equal

Crime (per 100k/yr)

Violent Crime

769.9

718.9

+7% in Columbia, SC

Property Crime

3,265.1

3,795.8

+16% 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

64.9°F

47.1°F

+17.8°F in Columbia, SC

Annual Precipitation

45.4 in

16.3 in

+29.1 in in Columbia, SC

Gas

Regular Gasoline

$3.94/gal

$3.85/gal

+2% in Columbia, SC

Area: East Coast (PADD 1) vs Midwest (PADD 2).

Utilities

Electricity (¢/kWh)

15.6

15.4

+1% in Columbia, SC

Natural Gas ($/MCF)

$29.07

$15.26

+48% in Columbia, SC

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

Groceries

Milk (gal)

$4.00

$4.31

+8% in Rapid City, SD

Bread (lb)

$1.75

$1.66

+5% in Columbia, SC

Eggs (doz)

$2.21

$3.63

+64% in Rapid City, SD

Ground Beef (lb)

$6.45

$6.77

+5% in Rapid City, SD

Chicken (lb)

$1.90

$2.10

+10% in Rapid City, SD

Bananas (lb)

$0.62

about equal

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

State Taxes

Sales Tax (SC / SD)

4.2%

+1.8 pp in SC

Income Tax (top rate)

6.00%

None

+6.0 pp in SC

Columbia vs Rapid City — FAQ

Is it cheaper to live in Columbia or Rapid City?: Rapid City, SD is cheaper. Its monthly baseline of $970 (1BR rent + utilities) runs about 20% below Columbia, SC's $1,220, mainly because of rent.
How much more do you need to earn to live in Columbia than in Rapid City?: To keep rent near the recommended 30% of gross income, you'd want to earn roughly $41,000 a year in Columbia versus $32,000 in Rapid City.
Which has lower taxes, Columbia or Rapid City?: Columbia is taxed under South Carolina's rules (a top state income tax rate of 6.00% and a 6% state sales tax); Rapid City under South Dakota's (no state income tax and a 4.2% 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).