Saint Charles, IL Profile: Facts, Map & Data


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Saint Charles, Illinois - Basic Facts

The City of Saint Charles had a population of 33,590 as of July 1, 2017. Saint Charles 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 Saint Charles is located at latitude 41.9189 and longitude -88.3114 in Kane County. The formal boundaries for the City of Saint Charles (see map below) encompass a land area of 14.7 sq. miles and a water area of 0.32 sq. miles. Kane County is in the Central time zone (GMT -6). The elevation is 732 feet.

While the primary coordinates for City of Saint Charles are located in Kane County, it should be noted that the formal boundaries for this community also extend into and DuPage County.

The City of Saint Charles (GNIS ID: 2396476) 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.

The City of Saint Charles is located within Township of Saint Charles, a minor civil division (MCD) of Kane County.

Beneath the boundary map are tables with Saint Charles population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

Alternate Unofficial Names for Saint Charles: Charleston, Waterville.

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City of Saint Charles, IL Boundary Map

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Boundary Maps: Township of Saint Charles | Kane County | Illinois Counties

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Saint Charles, IL Data & Demographics (As of July 1, 2017)


Total Population 33,590
Daytime Population: Workers 28,795
Daytime Population: Residents 15,519
Total Daytime Population (TDP) 44,314
Ratio TDP/Total Population1 1.32
Population in Households 32,345
Population in Familes 26,937
Population in Group Qrtrs 1,245
Population Density2 2,285
Diversity Index3 39


Median Household Income $91,362
Average Household Income $123,237
Per Capita Income $47,399


Total Housing Units 13,291 (100%)
Owner Occupied HU 8,818 (66.3%)
Renter Occupied HU 3,754 (28.2%)
Vacant Housing Units 719 ( 5.4%)
Median Home Value $299,047
Average Home Value $371,736


Total Households 12,572
Average Household Size 2.57
Family Households 8,586
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.25% 0.19%
Households 0.16% 0.14%
Families 0.03% -0.01%
Median Household Income   2.34%
Per Capita Income   2.06%

Saint Charles, IL - Peer Comparisons by Rank and Percentile

The table below compares Saint Charles to the other 1,368 incorporated cities, towns and CDPs in Illinois by rank and percentile using July 1, 2017 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.

Variable Description Rank Percentile
Total Population # 56 96th
Population Density # 212 85th
Diversity Index # 261 81st
Median Household Income # 101 93rd
Per Capita Income # 67 95th

Additional comparisons and rankings can be made with a VERY EASY TO USE Illinois Census Data Comparison Tool.

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