Naperville Flag

Naperville

County:
DuPage County
County Seat:
No
Area (mi²):
39.368
State:
Illinois

Naperville is a city located in DuPage County, Illinois. Naperville has a 2026 population of 154,969. Naperville is currently growing at a rate of 0.6% annually and its population has increased by 3.7% since the most recent census, which recorded a population of 149,434 in 2020.

The median household income in Naperville is $155,105 with a poverty rate of 4.45%. The median age in Naperville is 40.4 years: 40.2 years for males, and 40.7 years for females. For every 100 females there are 97.5 males.

155K
Total Population
3,937
Density (mi²)
923 0.6%
Growth

Naperville Population

Naperville Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026154,9699230.6%
2025154,0469220.6%
2024153,1241,9581.3%
2023151,1668110.54%
2022150,3558200.55%
2021149,5351010.07%
2020149,434-132-0.09%
2019148,3992640.18%
2018148,1354900.33%
2017147,6454350.3%
2016147,2102320.16%
2015146,9787850.54%
2014146,1931,2940.89%
2013144,8998730.61%
2012144,0268140.57%
2011143,2128040.56%
2010142,4085550.39%
2000128,35843,00750.39%
199085,35142,750100.35%
198042,60119,80786.9%
197022,7949,86176.25%
196012,9335,92084.41%
19507,0131,74133.02%
19405,2721543.01%
19305,1181,28833.63%
19203,83038111.05%
19103,44982031.19%
19002,62900%

Median Age

Overall: 40.4 years
Female: 40.7 years
Male: 40.2 years

Naperville Adults

There are 113,259 adults, (23,032 of whom are seniors) in Naperville.

Sex Ratio

Female: 76,285 (50.6%)
Male: 74,407 (49.4%)

Demographics

The racial composition of Naperville includes 62.84% White, 22.45% Asian, 4.32% Black or African American, and smaller percentages for other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White94,69262.84%
Asian33,83122.45%
Two or more races12,6658.4%
Black or African American6,5054.32%
Other race2,7541.83%
Native American2430.16%
Native Hawaiian or Pacific Islander20%
Race
Population ↓
Percentage (of total)
Two or more races6,4764.3%
White2,7521.83%
Other race1,8881.25%
Asian1820.12%
Native American1090.07%
Black or African American340.02%
Race
Population ↓
Percentage (of total)
White91,94061.01%
Asian33,64922.33%
Black or African American6,4714.29%
Two or more races6,1894.11%
Other race8660.57%
Native American1340.09%
Native Hawaiian or Pacific Islander20%

Naperville Marital Status

Economics and Income Statistics

Naperville 's average per capita income is $92,891. Household income levels show a median of $155,105. The poverty rate stands at 4.45%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$201,435-
Families$184,096$234,054
Households$155,105$200,019
Non Families$72,606$95,268

$92,891

Average Income

$155,105

Median Household Income

4.45%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)