Illinois · Census place 1751622

Naperville, Illinois

Naperville is a city in 2 counties of Illinois with an estimated 153,124 residents on July 1, 2024. It is the 3rd largest of 651 incorporated places of 1,000+ people in the state.

Population 2024
153,124
#3 of 651 in Illinois
Change since 2020
+2.5%
+3,690 people
Land area
39.4 sq mi
+ 0.59 sq mi water
Density
3,891 / sq mi
State median 2,177
Orange pin: Naperville. Shaded: counties it spans. Dark pin: Springfield.

Naperville population, 2020 to 2024

Naperville added 3,690 residents from July 2020 to July 2024, a change of +2.5%. In the latest year it moved by +1,958. Among 330 Illinois places of 5,000 or more, that growth ranks 39th; the median place changed by -0.9%. The median place of 5,000+ in Illinois has 14,760 people, so Naperville is 10.4 times that size.

149.4k2020149.5k2021150.4k2022151.2k2023153.1k2024
July 1 estimates. The April 2020 estimates base was 149,566. The axis starts above zero so yearly changes are visible.

Naperville covers 39.35 square miles of land and 0.59 of water, for 3,891 people per square mile of land. The median Illinois place of 5,000+ has 2,177, so Naperville is denser than the typical town.

The 2 counties Naperville spans

Naperville crosses county lines. The Census county-part estimates split its 153,124 residents as follows; DuPage County holds 65.8% of them. The shaded shapes are on the map above; dots mark the eight nearest places.

  1. 01DuPage County100,751
  2. 02Will County52,373
Residents inside each county, Census Vintage 2024 county-part estimates (SUMLEV 157).

ZIP codes in Naperville

4 ZIP Code Tabulation Areas (ZCTAs) overlap Naperville by at least 10% of the ZCTA's or the city's land: 60540, 60563, 60564, 60565. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Naperville is

The Census internal point of Naperville is at 41.749200, -88.162000. Springfield, the capital, is 156.7 miles SSW in a straight line. The nearest larger place is Aurora, IL (180,710 people), 6.6 miles away. The ground at the internal point is about 218 m (715 ft) above sea level.

Internal point

Decimal
41.749200, -88.162000
DMS
41°44'57.12"N 88°09'43.20"W
UTM
16N 403388.2E 4622583.2N
Geohash
dp3m9b4qs
Plus code
86HHPRXQ+M5
Time zone
America/Chicago

Daylight in Naperville

At 41.75° N, Naperville gets about 15 h 13 min of daylight around the June solstice and 9 h 09 min around the December solstice, a swing of 6 h 04 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026. Month-by-month sunrise and sunset times are on the Naperville daylight page.

Places near Naperville

The eight nearest incorporated places of 1,000+ in Illinois, measured between internal points. The closest is Lisle, 4.8 miles away, with 23,548 people.

Questions people ask

What is the population of Naperville, IL?

153,124 on July 1, 2024, in the Census Vintage 2024 estimates. That is up 3,690 (2.5%) from 149,434 in July 2020.

What county is Naperville in?

It spans 2 counties: DuPage County (100,751 residents), Will County (52,373 residents).

What ZIP codes cover Naperville?

4 ZIP Code Tabulation Areas overlap it by at least 10% of either area: 60540, 60563, 60564, 60565.

How far is Naperville from Springfield?

156.7 miles (252.2 km) in a straight line, heading SSW from Naperville.

What is the nearest larger city to Naperville?

Aurora, IL, with 180,710 residents, 6.6 miles away between internal points.

Sources and data as of

Data as of: Census Vintage 2024 subcounty estimates (July 1, 2024), 2024 Gazetteer places, 2020 ZCTA to place relationship file.

  1. 01Census Vintage 2024 subcounty population estimates
  2. 02Census 2024 Gazetteer, places
  3. 03Census 2020 ZCTA to place relationship file
  4. 04Census 2024 cartographic boundary file, counties (1:5,000,000)
  5. 05Open-Meteo forecast API (time zone and Copernicus GLO-90 elevation) (last verified 2026-09-30)

How every number is computed: methodology. Spotted a wrong figure? Report an error.