Cost of Living in Naperville, IL

Updated November 2026 · DuPage County · Chicago-Naperville-Elgin, IL-IN metro area · population 150,692

Local cost index (CostLiving estimate)
110.0
More expensive than the US average
BEA index for the Chicago-Naperville-Elgin, IL-IN metro area: 103.6
Monthly budget
$3,249
single adult · $6,305 family of 4
Modelled estimate, before taxes
Median rent
$1,885
per month, gross rent · US $1,413
Median home value
$540,200
US $332,700 · Affordable

Prices in Naperville are 10.0% above the US average (local index 110.0; the BEA index for the Chicago-Naperville-Elgin, IL-IN metro area is 103.6), with local housing the biggest cost driver at 139.7; a single adult's modelled budget is about $3,249 a month and the median rent is $1,885.

Prices by category

CostLiving local estimate. 100 = US average; 110 means prices are 10% higher. Housing reflects Naperville's own median rent compared with the area's average rent; goods, utilities and other services are BEA's official price parities for the Chicago-Naperville-Elgin, IL-IN metro area, unchanged.

Naperville price index by category, US average = 100: All items 110.0, Housing (rents) 139.7, Goods 107.3, Utilities 83.6, Other services 100.5

Cheaper than US average More expensive · CostLiving estimate from BEA RPP 2024 and Census ACS rents

It is the most expensive of the 32 Illinois cities in our data. More expensive than 75% of the cities we cover.

Official BEA Regional Price Parities for the Chicago-Naperville-Elgin, IL-IN metro area. 2024: goods 107.3, housing 112.0, utilities 83.6, other services 100.5.
BEA index201920202021202220232024
All items102.6104.5105.5105.7102.5103.6

Monthly budget by household type

1 adult · 1-bedroom · modelled estimate for Naperville, IL

CategoryPer monthPer yearShare
Housing (rent) $1,519 $18,228 47%
Utilities $223 $2,676 7%
Food at home $303 $3,636 9%
Transportation $675 $8,100 21%
Health care $353 $4,236 11%
Clothing, personal care & supplies $176 $2,112 5%
Total$3,249$38,988100%

2 adults · 2-bedroom · modelled estimate for Naperville, IL

CategoryPer monthPer yearShare
Housing (rent) $1,789 $21,468 35%
Utilities $354 $4,248 7%
Food at home $559 $6,708 11%
Transportation $1,338 $16,056 27%
Health care $655 $7,860 13%
Clothing, personal care & supplies $348 $4,176 7%
Total$5,043$60,516100%

2 adults + 2 children · 3-bedroom · modelled estimate for Naperville, IL

CategoryPer monthPer yearShare
Housing (rent) $2,243 $26,916 36%
Utilities $431 $5,172 7%
Food at home $797 $9,564 13%
Transportation $1,776 $21,312 28%
Health care $610 $7,320 10%
Clothing, personal care & supplies $448 $5,376 7%
Total$6,305$75,660100%

Modelled estimate of basic costs, excluding taxes, child care and savings. Housing is rent excluding tenant-paid utilities (counted under utilities). See how the budget is calculated.

Housing costs in Naperville

Rent by number of bedrooms

SizeMedian rent
Studio $1,734
1 bedroom $1,643
2 bedrooms $1,935
3 bedrooms $2,426
4 bedrooms $3,185

Median rent: Census ACS 2020-2024 median gross rent by bedrooms (rent plus tenant-paid utilities, all renters).

Rent, home values and affordability

MeasureValue
Median gross rent$1,885
Median contract rent (excl. utilities)$1,743
Median home value$540,200
Owner costs with a mortgage$3,154/mo
Median household income$155,105
Rent as % of renter income Affordable24.9%
Home value ÷ household income Affordable3.5×

Census ACS 5-year 2020-2024.

Electricity and gas prices

Residential electricity in Illinois

19.32¢ per kWh, August 2026

12-month change: +7.2% (from 18.03¢) · US 18.16¢

Aug 2025: 18.03¢/kWh Sep 2025: 19.01¢/kWh Oct 2025: 18.70¢/kWh Nov 2025: 18.28¢/kWh Dec 2025: 17.05¢/kWh Jan 2026: 16.36¢/kWh Feb 2026: 17.83¢/kWh Mar 2026: 18.85¢/kWh Apr 2026: 20.47¢/kWh May 2026: 23.85¢/kWh Jun 2026: 19.89¢/kWh Jul 2026: 19.22¢/kWh Aug 2026: 19.32¢/kWh

Average household uses 697 kWh a month in Illinois ≈ $132/month. Source: EIA-861M (statewide average).

Regular gasoline regional figure: Midwest (PADD 2)

$4.10 per gallon, week of 2026-11-02

12-month change: +45.0% (from $2.83) · US $4.15

2026-05-11: $4.405/gal 2026-05-18: $4.399/gal 2026-05-25: $4.352/gal 2026-06-01: $4.135/gal 2026-06-08: $3.945/gal 2026-06-15: $3.861/gal 2026-06-22: $3.723/gal 2026-06-29: $3.625/gal 2026-07-06: $3.531/gal 2026-07-13: $3.662/gal 2026-07-20: $3.780/gal 2026-07-27: $3.882/gal 2026-08-03: $3.929/gal 2026-08-10: $3.816/gal 2026-08-17: $3.938/gal 2026-08-24: $3.934/gal 2026-08-31: $3.847/gal 2026-09-07: $3.894/gal 2026-09-14: $4.091/gal 2026-09-21: $4.386/gal 2026-09-28: $4.291/gal 2026-10-05: $4.109/gal 2026-10-12: $4.145/gal 2026-10-19: $4.145/gal 2026-10-26: $4.269/gal 2026-11-02: $4.102/gal

EIA weekly retail price survey; Illinois is covered by the Midwest (PADD 2) average.

Inflation in the Midwest

Consumer prices in the Midwest Census region rose +4.2% in the 12 months to September 2026 (US +3.7%). Nationally, food at home changed +1.8%, shelter +3.2% and energy +20.4%. Source: BLS CPI-U, not seasonally adjusted. CPI is published for regions and large metro areas, so the regional figure is shown.

Salary equivalent

Because prices in Naperville are 10.0% above the US average, $60,000 here has the buying power of about $54,600 in an average-priced US area.

Same buying power in an average-priced US area$54,600
Needed in Naperville to match $60,000 in an average-priced US area$66,000

Formula: US-equivalent = salary × 100 ÷ 110.0. Based on the local cost index (CostLiving estimate from BEA RPP and Census rents); taxes not included.

Nearby cities

CityDistanceIndexBudget (single)Median rent
Bolingbrook, IL5 mi108.1 $3,025$1,749
Aurora, IL7 mi106.1 $2,825$1,596
Downers Grove, IL8 mi106.9 $3,013$1,656
Wheaton, IL8 mi108.8 $3,340$1,799
Joliet, IL16 mi101.7 $2,459$1,276
Orland Park, IL18 mi103.9 $2,933$1,440

Cities with a similar cost of living

CityIndexBudget (single)Median rent
Queen Creek, AZ110.0 $3,383$2,210
Milford, CT110.0 $3,363$1,882
Lincoln, CA109.9 $3,044$2,090
Salinas, CA110.1 $3,462$1,991
Waldorf, MD109.9 $3,335$1,995
Maple Grove, MN109.9 $3,342$1,868

Compare Naperville with another city

Frequently asked questions

Is Naperville, IL an expensive place to live?

Naperville has a local cost of living index of 110.0, which is 10.0% above the US average. This CostLiving estimate starts from the BEA Regional Price Parities 2024 for the Chicago-Naperville-Elgin, IL-IN metro area (103.6) and adjusts housing to Naperville's own rents. It is 10.0 points above the Illinois average. It is the most expensive of the 32 Illinois cities in our data. More expensive than 75% of the cities we cover.

How much money do you need to live in Naperville?

Our modelled estimate of basic monthly costs is $3,249 for a single adult, $5,043 for a couple and $6,305 for a family of four, before taxes, child care and savings. A $60,000 salary in an average-priced US area buys about the same as $66,000 in Naperville.

What is the average rent in Naperville?

The median gross rent (rent plus tenant-paid utilities) is $1,885 a month (Census ACS 2020-2024). By size: 1 bedroom $1,643, 2 bedrooms $1,935, 3 bedrooms $2,426. The typical renter spends 24.9% of household income on rent (affordable).

How much does a house cost in Naperville?

The median owner-estimated home value is $540,200, 3.5 times the median household income of $155,105 (affordable). Owners with a mortgage pay a median $3,154 a month in housing costs.

How much is electricity and gas in Naperville?

Illinois residential electricity averaged 19.32¢ per kWh in August 2026 (US 18.16¢). Regular gasoline was $4.10 a gallon (Midwest (PADD 2) average, week of 2026-11-02).

Sources and notes

Labels such as “county figure” or “state nonmetro figure” mark values that come from a larger area because the city-level figure is unavailable or unreliable. The monthly budget is a modelled estimate, not observed spending, and excludes taxes. This page is for general information and is not financial advice. Methodology · All sources