Sandwich township Flag

Sandwich township

County:
DeKalb County
County Seat:
No
Area (mi²):
15.264
State:
Illinois

Sandwich township is located in DeKalb County, Illinois. Sandwich township has a 2025 population of 7,604. Sandwich township is currently growing at a rate of 0.68% annually and its population has increased by 1.21% since the most recent census, which recorded a population of 7,513 in 2020.

The average household income in Sandwich township is $91,281 with a poverty rate of 7.04%. The median age in Sandwich township is 39.4 years: 37.3 years for males, and 41.1 years for females.

7.6K
Total Population
498
Density (mi²)
51 0.68%
Growth

Sandwich township Population

Sandwich township Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Sandwich township includes 90.17% White, 4.05% other race, and smaller percentages for Asian, Native American, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Other race

Two or more races

Asian

Native American

Black or African American

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
White6,76890.17%
Other race3044.05%
Two or more races2623.49%
Asian690.92%
Native American670.89%
Black or African American360.48%
Native Hawaiian or Pacific Islander00%

Sandwich township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Sandwich township's average per capita income is $44,497. Household income levels show a median of $77,923. The poverty rate stands at 7.04%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$107,805-
Families$93,689$107,139
Households$77,923$91,281
Non Families$49,271$52,421

$44,497

Average Income

$77,923

Median Household Income

7.04%

Poverty Rate

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)