Sandwich

County:: DeKalb County
County Seat:: No
Area (mi²):: 4.736
State:: Illinois

Sandwich is a city located in DeKalb County, Illinois. Sandwich has a 2025 population of 7,212. Sandwich is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 7,212 in 2020.

The average household income in Sandwich is $89,908 with a poverty rate of 7.12%. The median age in Sandwich is 38.9 years: 36.2 years for males, and 40.5 years for females.

Demographics

The racial composition of Sandwich includes 89.64% White, 4.27% 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)
White	6,383	89.64%
Other race	304	4.27%
Two or more races	262	3.68%
Asian	69	0.97%
Native American	67	0.94%
Black or African American	36	0.51%
Native Hawaiian or Pacific Islander	0	0%

Sandwich Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Sandwich's average per capita income is $47,949. Household income levels show a median of $77,027. The poverty rate stands at 7.12%.

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	$107,685	-
Families	$93,689	$106,312
Households	$77,027	$89,908
Non Families	$44,063	$52,216

$47,949

Average Income

$77,027

Median Household Income

7.12%

Poverty Rate