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 and multiracial populations.

Population by Race

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%

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