Is it cheaper to live in Dover or Rapid City?

Rapid City, SD is cheaper. Its monthly baseline of $970 (1BR rent + utilities) runs about 24% below Dover, DE's $1,270, mainly because of rent.

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

To keep rent near the recommended 30% of gross income, you'd want to earn roughly $42,000 a year in Dover versus $32,000 in Rapid City.

Which has lower taxes, Dover or Rapid City?

Dover is taxed under Delaware's rules (a top state income tax rate of 6.60% and no state sales tax); Rapid City under South Dakota's (no state income tax and a 4.2% state sales tax).

Dover vs Rapid City Cost of Living 2026

Dover

Delaware

$1,270/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 $1,270 in Dover, DE versus $970 in Rapid City, SD. Overall, Rapid City, SD is roughly 24% cheaper to live in day-to-day than Dover, DE, driven mainly by rent.

Median household income is $58,336 in Dover, DE and $65,712 in Rapid City, SD — about 11% higher in Rapid City, SD. Delaware has a top state income tax rate of 6.60% and no state sales tax; South Dakota has no state income tax and a 4.2% state sales tax.

Dover, DE

Rapid City, SD

Rent

Studio

$993

$533

+46% in Dover, DE

1 Bedroom

$1,047

$807

+23% in Dover, DE

2 Bedroom

$1,185

$1,156

+2% in Dover, DE

3 Bedroom

$1,634

$1,260

+23% in Dover, DE

Buying a Home

Median Home Value

$248,500

$270,000

+9% in Rapid City, SD

Income

Median Household Income

$58,336

$65,712

+13% in Rapid City, SD

Metro Median Wage (annual)

$46,690

$46,270

+1% in Dover, DE

People & Lifestyle

Median Age

35.1 yr

39.0 yr

+3.9 yr in Rapid City, SD

Homeownership

47.0%

61.6%

+14.6 pp in Rapid City, SD

Bachelor's+ (25+)

27.1%

36.4%

+9.3 pp in Rapid City, SD

Avg Commute

24.0 min

17.4 min

+6.6 min in Dover, DE

Crime (per 100k/yr)

Violent Crime

1,025.3

718.9

+30% in Dover, DE

Property Crime

6,159.1

3,795.8

+38% in Dover, DE

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

Climate

Avg Annual Temperature

56.9°F

47.1°F

+9.8°F in Dover, DE

Annual Precipitation

46.0 in

16.3 in

+29.8 in in Dover, DE

Gas

Regular Gasoline

$3.94/gal

$3.85/gal

+2% in Dover, DE

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

Utilities

Electricity (¢/kWh)

19.3

15.4

+20% in Dover, DE

Natural Gas ($/MCF)

$29.73

$15.26

+49% in Dover, DE

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 Dover, DE

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 (DE / SD)

None

4.2%

+4.2 pp in SD

Income Tax (top rate)

6.60%

None

+6.6 pp in DE

Dover vs Rapid City — FAQ

Is it cheaper to live in Dover or Rapid City?: Rapid City, SD is cheaper. Its monthly baseline of $970 (1BR rent + utilities) runs about 24% below Dover, DE's $1,270, mainly because of rent.
How much more do you need to earn to live in Dover than in Rapid City?: To keep rent near the recommended 30% of gross income, you'd want to earn roughly $42,000 a year in Dover versus $32,000 in Rapid City.
Which has lower taxes, Dover or Rapid City?: Dover is taxed under Delaware's rules (a top state income tax rate of 6.60% and no 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).