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 and multiracial populations.

Population by Race

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%

Sandwich township Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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)