Sandwich, IL Profile: Facts & Data


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Sandwich, Illinois - Basic Facts

The City of Sandwich had a population of 7,439 as of July 1, 2018. Sandwich ranks in the upper quartile for 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 Sandwich is located at latitude 41.6501 and longitude -88.619 in DeKalb County. The formal boundaries for the City of Sandwich (see map below) encompass a land area of 4.69 sq. miles and a water area of 0.02 sq. miles. DeKalb County is in the Central time zone (GMT -6). The elevation is 666 feet.

While the primary coordinates for City of Sandwich are located in DeKalb County, it should be noted that the formal boundaries for this community also extend into and Kendall County.

The City of Sandwich (GNIS ID: 2396534) 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 Sandwich is located within Township of Sandwich, a minor civil division (MCD) of DeKalb County.

Beneath the boundary map are tables with Sandwich population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2018.

Jump to... (On This Page!)
  1. Sandwich 2018 Demographic Data
  2. Growth Rates for Sandwich (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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Sandwich, IL Data & Demographics (As of July 1, 2018)


Total Population 7,439
Population in Households 7,301
Population in Familes 6,108
Population in Group Qrtrs 138
Population Density2 1,587
Diversity Index3 41


Median Household Income $62,257
Average Household Income $77,880
Per Capita Income $29,323


Total Housing Units 2,946 (100%)
Owner Occupied HU 1,883 (63.9%)
Renter Occupied HU 844 (28.6%)
Vacant Housing Units 219 ( 7.4%)
Median Home Value $183,183
Average Home Value $189,094


Total Households 2,727
Average Household Size 2.68
Family Households 1,889
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 0.03% 0.23%
Households 0.11% 0.26%
Families -0.03% 0.15%
Median Household Income   2.14%
Per Capita Income   2.69%

Sandwich, IL - Peer Comparisons by Rank and Percentile

The table below compares Sandwich 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 # 276 80th
Population Density # 420 69th
Diversity Index # 245 82nd
Median Household Income # 431 69th
Per Capita Income # 553 60th

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

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Illinois Census Data Comparison Tool

Compare Illinois July 1, 2018 Data
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