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, Native American, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Asian

Native American

Native Hawaiian or Pacific Islander

Other 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%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

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