gimmedastats
Wednesday, September 2, 2026
Population
153,114
US Census estimate, July 2025
Median home value
$540,200
Owner-occupied units

Naperville, IL

Illinois · 41.749° N, 88.162° W · 39 sq mi

Naperville is a city in Illinois, with a population of 153,114 and about 3,889 residents per square mile. The median household earns $155,105 a year, and the median home is worth $540,200.

Conditions

Humidity & wind
—
UV index
—
Sunrise & sunset
—
Local time
—
Forgotten Flicks movie T-shirts on TeePublic

Size & density

Land area
39 sq mi
Water excluded
Population density
3,889
People per square mile
Rank by population
#183
Of cities on this site
Rank by area
#335
Of cities on this site

Money & housing

Median household income
$155,105
US median ≈ $78,538
Median gross rent
$1,885
Per month
Homeownership
74.8%
US ≈ 65%
Average commute
30.5 min
One way

People

Median age
40.4
US median 39.1
Bachelor's degree +
72.5%
Age 25 and over
Foreign born
22.5%
Households
54,847
2.7 people each

Climate · 2021–2025 average

Clear days 20/yr Mostly or fully clear sky
Days with rain 158/yr 0.01 in or more
Days with snow 43/yr
Days above 90° 10/yr
Below freezing 112/yr
Annual rainfall 42.5in Inches per year, scaled to 70 in — the rows above count days
Warmest month
July
Average high 83°F
Coldest month
January
Average low 17°F

What people here do for work

Education & health care 23.4%
Professional & business services 20.5%
Finance, insurance & real estate 11.1%
Manufacturing 10.7%

Top four industries · share of all workers · ACS 2024

Wealthiest person in Illinois

Name
Lukas Walton
Forbes, Apr 2025
Net worth
$39B
As of 25 Apr 2025 — not live
Lives in
Chicago
Source of wealth
Walmart

Compiled from public reporting, not from an official dataset, and not independently verified.

Largest employer in Illinois · private sector

Employer
Advocate Health Care
Sector
Healthcare

Compiled from public reporting, not from an official dataset, and not independently verified. Government employers are excluded.

Largest public company in Illinois

Company
Archer Daniels Midland
Revenue
$85.5B
Fiscal year 2024
Headquarters
Chicago
Ticker
ADM

Compiled from public reporting, not from an official dataset, and not independently verified.

State of Illinois

State bird
Northern Cardinal
State flower
Violet
State capital
Springfield
Nickname
The Prairie State

Compare Naperville with

Cities near Naperville

Cities about the same size

More in Illinois

All Illinois cities →