Living Cost Compare
New Haven

Connecticut

$1,530/mo est.

vs
Rapid City

South Dakota

$970/mo est.

Monthly estimate = 1BR rent + electricity + gas

A one-person monthly baseline (1BR rent plus typical utilities) runs $1,530 in New Haven, CT versus $970 in Rapid City, SD. Overall, Rapid City, SD is roughly 37% cheaper to live in day-to-day than New Haven, CT, driven mainly by rent.

Median household income is $53,771 in New Haven, CT and $65,712 in Rapid City, SD — about 18% higher in Rapid City, SD. Connecticut has a top state income tax rate of 6.99% and a 6.35% state sales tax; South Dakota has no state income tax and a 4.2% state sales tax.

Rent

Studio
$1,159
$533
+54% in New Haven, CT
1 Bedroom
$1,275
$807
+37% in New Haven, CT
2 Bedroom
$1,473
$1,156
+22% in New Haven, CT
3 Bedroom
$1,636
$1,260
+23% in New Haven, CT

Buying a Home

Median Home Value
$249,000
$270,000
+8% in Rapid City, SD

Income

Median Household Income
$53,771
$65,712
+22% in Rapid City, SD
Metro Median Wage (annual)
$60,060
$46,270
+23% in New Haven, CT

People & Lifestyle

Median Age
31.9 yr
39.0 yr
+7.1 yr in Rapid City, SD
Homeownership
28.4%
61.6%
+33.2 pp in Rapid City, SD
Bachelor's+ (25+)
37.7%
36.4%
+1.3 pp in New Haven, CT
Avg Commute
21.0 min
17.4 min
+3.6 min in New Haven, CT

Crime (per 100k/yr)

Violent Crime
536.3
718.9
+34% in Rapid City, SD
Property Crime
3,601.6
3,795.8
+5% 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
52.2°F
47.1°F
+5.1°F in New Haven, CT
Annual Precipitation
47.1 in
16.3 in
+30.8 in in New Haven, CT

Gas

Regular Gasoline
$3.94/gal
$3.85/gal
+2% in New Haven, CT

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

Utilities

Electricity (¢/kWh)
24.3
15.4
+37% in New Haven, CT
Natural Gas ($/MCF)
$23.33
$15.26
+35% in New Haven, CT

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

Groceries

Milk (gal)
$4.31
$4.31
about equal
Bread (lb)
$1.92
$1.66
+14% in New Haven, CT
Eggs (doz)
$2.19
$3.63
+66% in Rapid City, SD
Ground Beef (lb)
$6.90
$6.77
+2% in New Haven, CT
Chicken (lb)
$2.19
$2.10
+4% in New Haven, CT
Bananas (lb)
$0.69
$0.62
+11% in New Haven, CT

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

State Taxes

Sales Tax (CT / SD)
6.35%
4.2%
+2.1 pp in CT
Income Tax (top rate)
6.99%
None
+7.0 pp in CT

New Haven vs Rapid City — FAQ

Is it cheaper to live in New Haven or Rapid City?
Rapid City, SD is cheaper. Its monthly baseline of $970 (1BR rent + utilities) runs about 37% below New Haven, CT's $1,530, mainly because of rent.
How much more do you need to earn to live in New Haven than in Rapid City?
To keep rent near the recommended 30% of gross income, you'd want to earn roughly $51,000 a year in New Haven versus $32,000 in Rapid City.
Which has lower taxes, New Haven or Rapid City?
New Haven is taxed under Connecticut's rules (a top state income tax rate of 6.99% and a 6.35% 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).