Living Cost Compare
Bridgeport

Connecticut

$1,440/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 $1,440 in Bridgeport, CT versus $970 in Rapid City, SD. Overall, Rapid City, SD is roughly 33% cheaper to live in day-to-day than Bridgeport, CT, driven mainly by rent.

Median household income is $56,584 in Bridgeport, CT and $65,712 in Rapid City, SD — about 14% 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.

Bridgeport, CT
Rapid City, SD

Rent

Studio
$950
$533
+44% in Bridgeport, CT
1 Bedroom
$1,181
$807
+32% in Bridgeport, CT
2 Bedroom
$1,508
$1,156
+23% in Bridgeport, CT
3 Bedroom
$1,639
$1,260
+23% in Bridgeport, CT

Buying a Home

Median Home Value
$252,400
$270,000
+7% in Rapid City, SD

Income

Median Household Income
$56,584
$65,712
+16% in Rapid City, SD
Metro Median Wage (annual)
$61,470
$46,270
+25% in Bridgeport, CT

People & Lifestyle

Median Age
36.4 yr
39.0 yr
+2.6 yr in Rapid City, SD
Homeownership
43.3%
61.6%
+18.3 pp in Rapid City, SD
Bachelor's+ (25+)
23.1%
36.4%
+13.3 pp in Rapid City, SD
Avg Commute
29.9 min
17.4 min
+12.5 min in Bridgeport, CT

Crime (per 100k/yr)

Violent Crime
401.7
718.9
+79% in Rapid City, SD
Property Crime
1,478.4
3,795.8
+157% 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
52.5°F
47.1°F
+5.4°F in Bridgeport, CT
Annual Precipitation
42.7 in
16.3 in
+26.5 in in Bridgeport, CT

Gas

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

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

Utilities

Electricity (¢/kWh)
24.3
15.4
+37% in Bridgeport, CT
Natural Gas ($/MCF)
$23.33
$15.26
+35% in Bridgeport, 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 Bridgeport, CT
Eggs (doz)
$2.19
$3.63
+66% in Rapid City, SD
Ground Beef (lb)
$6.90
$6.77
+2% in Bridgeport, CT
Chicken (lb)
$2.19
$2.10
+4% in Bridgeport, CT
Bananas (lb)
$0.69
$0.62
+11% in Bridgeport, 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

Bridgeport vs Rapid City — FAQ

Is it cheaper to live in Bridgeport or Rapid City?
Rapid City, SD is cheaper. Its monthly baseline of $970 (1BR rent + utilities) runs about 33% below Bridgeport, CT's $1,440, mainly because of rent.
How much more do you need to earn to live in Bridgeport than in Rapid City?
To keep rent near the recommended 30% of gross income, you'd want to earn roughly $47,000 a year in Bridgeport versus $32,000 in Rapid City.
Which has lower taxes, Bridgeport or Rapid City?
Bridgeport 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).