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 and multiracial populations.

Population by Race

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%

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