Also See: Naperville, IL ZIP Codes & ZIP Code Maps
The City of Naperville is the 5th largest city in Illinois with a population of 145,061 as of July 1, 2021. Naperville ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Illinois. See peer rankings below.
The primary coordinate point for Naperville is located at latitude 41.7859 and longitude -88.1473 in DuPage County. The formal boundaries for the City of Naperville encompass a land area of 38.64 sq. miles and a water area of 0.56 sq. miles. DuPage County is in the Central time zone (GMT -6). The elevation is 709 feet.
While the primary coordinates for City of Naperville are located in DuPage County, it should be noted that the formal boundaries for this community also extend into and Will County.
The City of Naperville has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.
Alternate Unofficial Names for Naperville: Fort Naper, Naper Settlement, Napiersville, Napierville.
|Total Population||145,061 (100%)|
|Population in Households||142,492 (98.2%)|
|Population in Families||125,266 (86.4%)|
|Population in Group Quarters1||2,569 ( 1.8%)|
|Median Household Income||$124,482|
|Average Household Income||$159,750|
|% of Income for Mortgage4||14%|
|Per Capita Income||$57,037|
|Total HU (Housing Units)||54,565 (100%)|
|Owner Occupied HU||39,353 (72.1%)|
|Renter Occupied HU||12,264 (22.5%)|
|Vacant Housing Units||2,949 ( 5.4%)|
|Median Home Value||$414,530|
|Average Home Value||$452,431|
|Housing Affordability Index3||143|
|Average Household Size||2.76|
|Average Family Size||3|
GROWTH RATE / YEAR
|Median Household Income||1.53%|
|Per Capita Income||1.9%|
|Owner Occupied HU||0.49%|
The table below compares Naperville to the other 1,369 incorporated cities, towns and CDPs in Illinois by rank and percentile using July 1, 2021 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.
|Total Population||# 5||100th|
|Population Density||# 91||93rd|
|Median Household Income||# 43||97th|
|Housing Affordability Index||# 209||15th|
|Per Capita Income||# 49||96th|
|Diversity Index||# 178||87th|
Additional comparisons and rankings can be made with a VERY EASY TO USE Illinois Census Data Comparison Tool.