Lyndon is a city located in Whiteside County Illinois. With a 2020 population of 515, it is the 894th largest city in Illinois and the 18956th largest city in the United States. Lyndon is currently declining at a rate of -2.09% annually and its population has decreased by -14.74% since the most recent census, which recorded a population of 604 in 2020. Spanning over 1 miles, Lyndon has a population density of 681 people per square mile.
The average household income in Lyndon is $58,868 with a poverty rate of 14.57%. The median rental costs in recent years comes to $793 per month, and the median house value is $84,000. The median age in Lyndon is 41.1 years, 38.9 years for males, and 42.8 years for females.
According to the most recent ACS, the racial composition of Lyndonwas:
Rate of Home Ownership
Average Family Size
Average Household Size
The highest rate of high school graduation is among asian people with a rate of 100.00%.
The highest rate of bachelors degrees is among 2+ races people with a rate of 100.00%.
98.58% of Lyndon residents speak only English, while 1.42% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 0.71% of the population.
Overall Poverty Rate
Male Poverty Rate
Female Poverty Rate
The race most likely to be in poverty in Lyndon is White, with 14.51% below the poverty level.
The race least likely to be in poverty in Lyndon is Hispanic, with 15.05% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 4.79%. Among those working part-time, it was 25.21%, and for those that did not work, the poverty rate was 10.65%.
Number of Veterans
Veteran Poverty Rate
Veteran Disability Rate
Labor Force Participation
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Born in Lyndon
99.83% of Lyndon residents were born in the United States, with 76.16% having been born in Illinois. 0.00% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.