Living Cost Compare
Allentown

Pennsylvania

$1,320/mo est.

vs
Charleston

South Carolina

$1,620/mo est.

Monthly estimate = 1BR rent + electricity + gas

A one-person monthly baseline (1BR rent plus typical utilities) runs $1,320 in Allentown, PA versus $1,620 in Charleston, SC. Overall, Allentown, PA is roughly 19% cheaper to live in day-to-day than Charleston, SC, driven mainly by rent.

Median household income is $53,403 in Allentown, PA and $90,038 in Charleston, SC — about 41% higher in Charleston, SC. Pennsylvania has a top state income tax rate of 3.07% and a 6% state sales tax; South Carolina has a top state income tax rate of 6.00% and a 6% state sales tax.

Rent

Studio
$1,043
$1,579
+51% in Charleston, SC
1 Bedroom
$1,100
$1,430
+30% in Charleston, SC
2 Bedroom
$1,271
$1,684
+32% in Charleston, SC
3 Bedroom
$1,431
$2,076
+45% in Charleston, SC

Buying a Home

Median Home Value
$188,900
$469,100
+148% in Charleston, SC

Income

Median Household Income
$53,403
$90,038
+69% in Charleston, SC
Metro Median Wage (annual)
$48,990
$49,150
+0% in Charleston, SC

People & Lifestyle

Median Age
32.4 yr
36.1 yr
+3.7 yr in Charleston, SC
Homeownership
42.3%
55.6%
+13.3 pp in Charleston, SC
Bachelor's+ (25+)
19.4%
57.7%
+38.3 pp in Charleston, SC
Avg Commute
24.8 min
23.8 min
+1.0 min in Allentown, PA

Crime (per 100k/yr)

Violent Crime
274.5
358.8
+31% in Charleston, SC
Property Crime
1,591.5
2,035.1
+28% in Charleston, SC

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

Climate

Avg Annual Temperature
51.2°F
66.7°F
+15.5°F in Charleston, SC
Annual Precipitation
45.4 in
44.4 in
+0.9 in in Allentown, PA

Gas

Regular Gasoline
$3.86/gal
$3.86/gal
about equal

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

Utilities

Electricity (¢/kWh)
21.6
16.2
+25% in Allentown, PA
Natural Gas ($/MCF)
$19.17
$27.35
+43% in Charleston, SC

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

Groceries

Milk (gal)
$4.31
$4.00
+7% in Allentown, PA
Bread (lb)
$1.92
$1.75
+9% in Allentown, PA
Eggs (doz)
$2.19
$2.21
+1% in Charleston, SC
Ground Beef (lb)
$6.90
$6.45
+6% in Allentown, PA
Chicken (lb)
$2.19
$1.90
+13% in Allentown, PA
Bananas (lb)
$0.69
$0.62
+11% in Allentown, PA

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

State Taxes

Sales Tax (PA / SC)
6%
6%
about equal
Income Tax (top rate)
3.07%
6.00%
+2.9 pp in SC

Allentown vs Charleston — FAQ

Is it cheaper to live in Allentown or Charleston?
Allentown, PA is cheaper. Its monthly baseline of $1,320 (1BR rent + utilities) runs about 19% below Charleston, SC's $1,620, mainly because of rent.
How much more do you need to earn to live in Allentown than in Charleston?
To keep rent near the recommended 30% of gross income, you'd want to earn roughly $44,000 a year in Allentown versus $57,000 in Charleston.
Which has lower taxes, Allentown or Charleston?
Allentown is taxed under Pennsylvania's rules (a top state income tax rate of 3.07% and a 6% state sales tax); Charleston under South Carolina's (a top state income tax rate of 6.00% and a 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).