Guilford township

County:: Jo Daviess County
County Seat:: No
Area (mi²):: 37.11
State:: Illinois

Guilford township is located in Jo Daviess County, Illinois. Guilford township has a 2025 population of 1,515. Guilford township is currently declining at a rate of -0.26% annually and its population has decreased by -1.37% since the most recent census, which recorded a population of 1,536 in 2020.

The average household income in Guilford township is $135,977 with a poverty rate of 2.2%. The median age in Guilford township is 61.7 years: 64.1 years for males, and 61.1 years for females.

Demographics

The racial composition of Guilford township includes 90.69% White, and smaller percentages for other race, Native American, Black or African American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Other race

Native American

Black or African American

Asian

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	1,568	90.69%
Two or more races	151	8.73%
Other race	9	0.52%
Native American	1	0.06%
Black or African American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%

Guilford township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Guilford township's average per capita income is $65,391. Household income levels show a median of $108,681. The poverty rate stands at 2.2%.

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
Families	$112,669	$143,734
Married Families	$112,443	-
Households	$108,681	$135,977
Non Families	$41,364	$107,296

$65,391

Average Income

$108,681

Median Household Income

2.2%

Poverty Rate