Saint Charles, IL Profile: Facts & Data


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Saint Charles, Illinois - Basic Facts

The City of Saint Charles had a population of 33,607 as of July 1, 2018. 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 41.9142 and longitude -88.3087 in Kane County. The formal boundaries for the City of Saint Charles 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.

Alternate Unofficial Names for Saint Charles: Charleston, Waterville.

Jump to... (On This Page!)
  1. Saint Charles 2018 Demographic Data
  2. Growth Rates for Saint Charles (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Illinois Research Tools (Easy Tools & Current Data)
  3. Illinois Data Comparison Tool - 2018 Demographics

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Saint Charles, IL Data & Demographics (As of July 1, 2018)


Total Population 33,607
Population in Households 32,358
Population in Familes 27,026
Population in Group Qrtrs 1,249
Population Density2 2,287
Diversity Index3 39


Median Household Income $93,383
Average Household Income $124,496
Per Capita Income $48,097


Total Housing Units 13,329 (100%)
Owner Occupied HU 8,670 (65.0%)
Renter Occupied HU 3,966 (29.8%)
Vacant Housing Units 693 ( 5.2%)
Median Home Value $309,677
Average Home Value $381,864


Total Households 12,636
Average Household Size 2.56
Family Households 8,607
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  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.


2010-2018 2018-2023
Population 0.23% 0.25%
Households 0.2% 0.24%
Families 0.05% 0.09%
Median Household Income   1.77%
Per Capita Income   1.9%

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, 2018 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 # 208 85th
Diversity Index # 262 81st
Median Household Income # 108 92nd
Per Capita Income # 68 95th

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

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