City · Illinois
Naperville, Illinois
Naperville, city, mostly in DuPage County (65.6% of its 2020 residents), with a part in Will County, Illinois. Naperville had 153,114 residents on July 1, 2025 by the Census Bureau's estimate, up 2.4% since 2020; the 2020 Census counted 149,540 and the ACS 2020-2024 5-year estimates put it at 150,692 (±439). GEOID 1751622.
Residents, July 2025 estimate
153,114
Census Bureau estimate (no margin published)
2020 Census count: 149,540 · ACS 2020-2024: 150,692 ±439
Median household income
$155,105
±$4,387 (90% margin)
Illinois: $83,390
Median home value
$540,200
±$9,222 (90% margin)
Illinois: $263,300
Median gross rent
$1,885
±$39 (90% margin)
Illinois: $1,274
Where is Naperville and what county is it in?
Naperville is a city mostly in DuPage County (65.6% of its 2020 residents), with a part in Will County, Illinois. It covers 39.4 square miles of land, 3,800 residents per square mile in 2020.
Naperville is in the Chicago-Naperville-Elgin, IL-IN metropolitan statistical area, which takes in 13 counties (Census Bureau delineation, July 2023).
Naperville lies partly within Naperville Township and reaches into Lisle Township, Wheatland Township (Will County) and Du Page Township, towns or townships with their own local government (2020 census blocks).
| County | 2020 residents | Share |
|---|---|---|
| DuPage County | 98,102 | 65.6% |
| Will County | 51,438 | 34.4% |
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Naperville, and is it growing?
The Census Bureau estimates that 153,114 people lived in Naperville on July 1, 2025, up 2.4% since 2020, while Illinois shrank 0.8%. The 2020 Census counted 149,540 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 150,692 (±439).
| Measure | Naperville | DuPage County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 150,692 ±439 | 930,024 | +3,191 |
| Households | 54,847 ±833 | 350,758 | +2,907 |
| Average household size | 2.70 ±0.04 | 2.61 | −0.09 |
| Housing units | 57,135 ±844 | 367,152 | +2,505 |
Naperville's population since 2000
From 128,358 in 2000 to 153,114 in 2025: up 19.3%. The 2000, 2010 and 2020 figures are census counts, each for Naperville as it was drawn that year: a place that annexed land, or a community that has since incorporated, covered a different area then. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Naperville?
The median resident of Naperville is 40.4 years old; 24.8% are under 18 and 15.3% are 65 or older. The largest group is non-Hispanic white residents at 61.0%, then non-Hispanic Asian residents at 22.3%. 22.5% of residents were born outside the United States.
| Measure | Naperville | DuPage County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 40.4 ±0.9 | 40.2 | +1.3 |
| Under 18 years | 24.8% ±0.8 pts | 22.2% | – |
| 65 years and over | 15.3% ±0.7 pts | 17.3% | – |
| Male | 49.4% ±0.7 pts | 49.5% | – |
| Hispanic or Latino (any race) | 7.6% ±1.0 pts | 16.1% | +1.8 pts |
| White alone, not Hispanic | 61.0% ±1.3 pts | 62.2% | −6.3 pts |
| Black or African American alone, not Hispanic | 4.3% ±0.6 pts | 4.8% | no clear change |
| Asian alone, not Hispanic | 22.3% ±1.1 pts | 13.0% | +3.2 pts |
| American Indian and Alaska Native alone, not Hispanic | 0.1% ±0.1 pts | 0.0% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.1 pts | 0.0% | – |
| Two or more races, not Hispanic | 4.1% ±0.5 pts | 3.5% | – |
| Some other race alone, not Hispanic | 0.6% ±0.2 pts | 0.4% | – |
| Born outside the United States | 22.5% ±1.0 pts | 20.5% | +2.5 pts |
| Speak a language other than English at home (age 5+) | 26.9% ±1.3 pts | 29.6% | – |
| Civilian veterans (age 18+) | 2.9% ±0.4 pts | 3.5% | – |
| With a disability | 7.2% ±0.6 pts | 9.0% | – |
| No health insurance coverage | 2.4% ±0.5 pts | 5.2% | no clear change |
| High school graduate or higher (age 25+) | 97.3% ±0.5 pts | 93.0% | – |
| Bachelor's degree or higher (age 25+) | 72.5% ±1.2 pts | 51.8% | +4.3 pts |
| Graduate or professional degree (age 25+) | 33.3% ±1.2 pts | 21.1% | – |
| Lived in the same house a year earlier | 88.8% ±1.1 pts | 89.7% | – |
| Moved from another state in the past year | 1.5% ±0.3 pts | 1.3% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Naperville earn?
Half of Naperville's 54,847 households earn less than $155,105 a year (±$4,387), against $112,096 in DuPage County and $83,390 in Illinois. In 2015-2019 it was $154,976 in 2024 dollars; the margins of error cannot tell the two periods apart. 4.4% of residents live below the poverty line.
| Measure | Naperville | DuPage County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $155,105 ±$4,387 | $112,096 | no clear change |
| Mean household income | $200,019 ±$5,384 | $152,117 | – |
| Per capita income | $73,721 ±$1,958 | $58,189 | +$5,753 |
| People below the poverty line | 4.4% ±0.7 pts | 6.6% | no clear change |
| Children under 18 below the poverty line | 3.6% ±1.1 pts | 7.0% | no clear change |
| Households receiving SNAP | 4.6% ±0.8 pts | 7.4% | – |
| Households with a computer | 98.7% ±0.6 pts | 97.5% | – |
| Households with a broadband subscription | 97.5% ±0.5 pts | 94.8% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Naperville?
Owners occupy 74.8% of Naperville's occupied homes and renters 25.2%. The median owner-occupied home is valued at $540,200 by its owner (±$9,222). The median renter pays $1,885 a month including utilities, and 33.4% of renters pay 35% or more of their income on rent.
| Measure | Naperville | DuPage County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $540,200 ±$9,222 | $391,400 | +$27,370 |
| Median gross rent | $1,885 ±$39 | $1,688 | no clear change |
| Renters paying 35% or more of income on rent | 33.4% ±3.6 pts | 36.1% | no clear change |
| Median monthly owner costs, with a mortgage | $3,154 ±$63 | $2,450 | – |
| Owner-occupied homes | 74.8% ±1.2 pts | 73.1% | no clear change |
| Renter-occupied homes | 25.2% ±1.2 pts | 26.9% | – |
| Housing units | 57,135 ±844 | 367,152 | +2,505 |
| Homeowner vacancy rate | 0.5% ±0.3 pts | 0.7% | – |
| Rental vacancy rate | 5.1% ±1.9 pts | 5.6% | – |
| Single-family detached homes | 62.8% ±1.2 pts | 58.4% | – |
| Mobile homes | 0.4% ±0.2 pts | 0.3% | – |
| Built 2020 or later | 0.9% ±0.2 pts | 0.8% | – |
| Built 2010 to 2019 | 7.1% ±0.9 pts | 4.7% | – |
| Built 1939 or earlier | 2.5% ±0.4 pts | 5.3% | – |
| Households with no vehicle | 3.8% ±0.8 pts | 4.6% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Naperville building?
Builders took permits for 228 new housing units in Naperville in 2025 (224 in single-family houses), 1.5 per 1,000 residents against 1.5 across Illinois.
Counts of units in permits a local office issued; not every permitted unit is built. A year marked with months was reported for part of the year.
Source: Building Permits Survey, annual place files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Naperville work and get to work?
56.7% of Naperville's workers drive alone and 31.1% work from home. The average trip to work takes 30.5 minutes. The unemployment rate in 2020-2024 averaged 4.5%.
| Measure | Naperville | DuPage County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 67.8% ±1.2 pts | 68.0% | – |
| Unemployment rate | 4.5% ±0.5 pts | 4.9% | no clear change |
| Drove alone to work | 56.7% ±1.6 pts | 64.9% | – |
| Carpooled | 4.5% ±0.8 pts | 6.8% | – |
| Public transportation | 5.4% ±0.6 pts | 4.0% | – |
| Walked | 1.3% ±0.2 pts | 1.5% | – |
| Worked from home | 31.1% ±1.3 pts | 21.5% | +21.6 pts |
| Mean travel time to work | 30.5 min ±0.8 | 27.7 min | −3.7 min |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What census tracts are in Naperville?
31 census tracts lie mostly in Naperville, and 13 more reach into it (2020 census blocks). Their median household incomes run from $71,564 (Tract 8464.10) to $250,000 or more (Tract 8803.16).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 8464.04DuPage County | 6,337 | $95,682 |
| Tract 8803.07Will County | 6,152 | $113,657 |
| Tract 8465.04DuPage County | 5,873 | $113,326 |
| Tract 8803.22Will County | 7,152 | $238,068 |
| Tract 8462.01DuPage County | 6,224 | $129,103 |
| Tract 8462.07DuPage County | 5,568 | $183,510 |
| Tract 8803.23Will County | 6,723 | $192,865 |
| Tract 8803.05Will County | 5,690 | $217,857 |
| Tract 8464.12DuPage County | 5,209 | $123,693 |
| Tract 8803.04Will County | 4,980 | $199,063 |
| Tract 8462.06DuPage County | 4,376 | $155,481 |
| Tract 8465.21DuPage County | 4,971 | $155,222 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Naperville) · Census block assignment files
How does Naperville compare with other places in Illinois?
By the Census Bureau's July 2025 estimates, Naperville is the 178th-most populous of the 19,476 U.S. incorporated places that have one and the 3rd-most populous of 1,294 in Illinois.
Naperville ranks 48th of 1,380 places in Illinois with 1,000 or more residents and a reliable estimate, by median household income.
| Measure | Rank | Of |
|---|---|---|
| Population, July 2025 estimate | 3rd | 1,294 |
| Growth 2020-2025 (PEP) | 108th | 1,347 |
| Residents per square mile | 106th | 1,383 |
| Median household income | 48th | 1,380 |
| Per capita income | 59th | 1,383 |
| Median home value | 45th | 1,379 |
| Median gross rent | 67th | 1,280 |
| Poverty rate | 1,003rd | 1,119 |
| Bachelor's degree or higher | 26th | 1,369 |
| Median age | 756th | 1,383 |
| Owner-occupied share | 839th | 1,382 |
| Work from home | 25th | 1,015 |
| Travel time to work | 248th | 1,382 |
Naperville's figures with every place in Illinois (CSV)
Every place in Illinois, sortable · Compare Naperville with other places
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How reliable are the figures for Naperville?
2 of the 57 figures for Naperville on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Naperville are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' public schools in Naperville.