Living Cost Compare
Naperville

Illinois

$1,830/mo est.

vs
Oklahoma City

Oklahoma

$1,050/mo est.

Monthly estimate = 1BR rent + electricity + gas

A one-person monthly baseline (1BR rent plus typical utilities) runs $1,830 in Naperville, IL versus $1,050 in Oklahoma City, OK. Overall, Oklahoma City, OK is roughly 43% cheaper to live in day-to-day than Naperville, IL, driven mainly by rent.

Median household income is $150,937 in Naperville, IL and $66,702 in Oklahoma City, OK — about 56% higher in Naperville, IL. Illinois has a top state income tax rate of 4.95% and a 6.25% state sales tax; Oklahoma has a top state income tax rate of 4.50% and a 4.5% state sales tax.

Naperville, IL
Oklahoma City, OK

Rent

Studio
$1,713
$795
+54% in Naperville, IL
1 Bedroom
$1,594
$882
+45% in Naperville, IL
2 Bedroom
$1,889
$1,085
+43% in Naperville, IL
3 Bedroom
$2,446
$1,356
+45% in Naperville, IL

Buying a Home

Median Home Value
$509,900
$215,100
+58% in Naperville, IL

Income

Median Household Income
$150,937
$66,702
+56% in Naperville, IL
Metro Median Wage (annual)
$54,720
$47,230
+14% in Naperville, IL

People & Lifestyle

Median Age
40.1 yr
35.0 yr
+5.1 yr in Naperville, IL
Homeownership
74.3%
59.1%
+15.2 pp in Naperville, IL
Bachelor's+ (25+)
71.7%
34.0%
+37.7 pp in Naperville, IL
Avg Commute
31.4 min
22.2 min
+9.2 min in Naperville, IL

Crime (per 100k/yr)

Violent Crime
85.7
685.9
+700% in Oklahoma City, OK
Property Crime
892.2
2,929.1
+228% in Oklahoma City, OK

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

Climate

Avg Annual Temperature
49.9°F
61.5°F
+11.6°F in Oklahoma City, OK
Annual Precipitation
36.9 in
36.5 in
+0.4 in in Naperville, IL

Gas

Regular Gasoline
$3.94/gal
$3.94/gal
about equal

Area: Midwest (PADD 2) vs Midwest (PADD 2).

Public Transit

Base Fare (one-way)
—
$1.75

Adult base one-way fare — — vs EMBARK (2026).

Utilities

Electricity (¢/kWh)
23.9
13.4
+44% in Naperville, IL
Natural Gas ($/MCF)
$15.39
$27.15
+76% in Oklahoma City, OK

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

Groceries

Milk (gal)
$4.31
$4.00
+7% in Naperville, IL
Bread (lb)
$1.66
$1.75
+5% in Oklahoma City, OK
Eggs (doz)
$3.63
$2.21
+39% in Naperville, IL
Ground Beef (lb)
$6.77
$6.45
+5% in Naperville, IL
Chicken (lb)
$2.10
$1.90
+9% in Naperville, IL
Bananas (lb)
$0.62
$0.62
about equal

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

State Taxes

Sales Tax (IL / OK)
6.25%
4.5%
+1.8 pp in IL
Income Tax (top rate)
4.95%
4.50%
+0.5 pp in IL

Naperville vs Oklahoma City — FAQ

Is it cheaper to live in Naperville or Oklahoma City?
Oklahoma City, OK is cheaper. Its monthly baseline of $1,050 (1BR rent + utilities) runs about 43% below Naperville, IL's $1,830, mainly because of rent.
How much more do you need to earn to live in Naperville than in Oklahoma City?
To keep rent near the recommended 30% of gross income, you'd want to earn roughly $64,000 a year in Naperville versus $35,000 in Oklahoma City.
Which has lower taxes, Naperville or Oklahoma City?
Naperville is taxed under Illinois's rules (a top state income tax rate of 4.95% and a 6.25% state sales tax); Oklahoma City under Oklahoma's (a top state income tax rate of 4.50% and a 4.5% 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).