Lyndon

County:: Whiteside County
County Seat:: No
Area (mi²):: 0.757
State:: Illinois

Lyndon is a village located in Whiteside County, Illinois. Lyndon has a 2025 population of 518. Lyndon is currently declining at a rate of -0.58% annually and its population has decreased by -3.18% since the most recent census, which recorded a population of 535 in 2020.

The average household income in Lyndon is $67,463 with a poverty rate of 7.12%.The median age in Lyndon is 37.3 years: 39.2 years for males, and 36.2 years for females.

Demographics

The racial composition of Lyndon includes 91.32% White, and smaller percentages for Black or African American, Asian and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	526	91.32%
Two or more races	42	7.29%
Black or African American	7	1.22%
Asian	1	0.17%

Lyndon Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Lyndon's average per capita income is $46,071. Household income levels show a median of $52,656. 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	$92,188	-
Families	$77,750	$89,910
Households	$52,656	$67,463
Non Families	$34,621	$46,263

$46,071

Average Income

$52,656

Median Household Income

7.12%

Poverty Rate