Lyndon township

County:: Whiteside County
County Seat:: No
Area (mi²):: 27.315
State:: Illinois

Lyndon township is located in Whiteside County, Illinois. Lyndon township has a 2025 population of 903. Lyndon township is currently declining at a rate of 0% annually and its population has decreased by -1.2% since the most recent census, which recorded a population of 914 in 2020.

The average household income in Lyndon township is $80,186 with a poverty rate of 5.88%.The median age in Lyndon township is 48.5 years: 50 years for males, and 42.8 years for females.

Demographics

The racial composition of Lyndon township includes 92.83% White, and smaller percentages for Black or African American, Asian and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	647	92.83%
Two or more races	42	6.03%
Black or African American	7	1%
Asian	1	0.14%

Lyndon township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Lyndon township's average per capita income is $45,670. Household income levels show a median of $54,191. The poverty rate stands at 5.88%.

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	$95,833	-
Families	$79,000	$110,067
Households	$54,191	$80,186
Non Families	$35,078	$51,620

$45,670

Average Income

$54,191

Median Household Income

5.88%

Poverty Rate