Lyndon township is located in Whiteside County, Illinois. Lyndon township has a 2026 population of 905. Lyndon township is currently growing at a rate of 0.67% annually but its population has decreased by -0.98% since the most recent census, which recorded a population of 914 in 2020.
The median household income in Lyndon township is $54,191 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. For every 100 females there are 75.6 males.
Data after 2023 is projected based on recent change
The racial composition of Lyndon township includes 92.83% White, and smaller percentages for Black or African American, Asian and multiracial populations.
White (92.83%)
Two or more races (6.03%)
Black or African American (1%)
Asian (0.14%)
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% |
Married
Widowed
Divorced
Separated
Never Married
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%.
Name | Median | Mean |
|---|---|---|
| Married Families | $95,833 | - |
| Families | $79,000 | $110,067 |
| Households | $54,191 | $80,186 |
| Non Families | $35,078 | $51,620 |
Average Income
Median Household Income
Poverty Rate